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### What changes were proposed in this pull request?
<!--
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This is a followup of https://github.com/apache/spark/pull/28022, to address three issues:
1. Add an assert in `CustomShuffleReaderExec` to make sure the partitions specs are all `PartialMapperPartitionSpec` or none.
2. Do not use `lazy val` for `partitionDataSizeMetrics` and `skewedPartitionMetrics`, as they will be merged into `metrics`, and `lazy val` will be serialized.
3. mark `metrics` as `transient`, as it's only used at driver-side
4. move `FileUtils.byteCountToDisplaySize` to `logDebug`, to save some calculation if log level is above debug.
### Why are the changes needed?
<!--
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1. If you propose a new API, clarify the use case for a new API.
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followup improvement
### Does this PR introduce any user-facing change?
<!--
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no
### How was this patch tested?
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existing tests
Closes#28103 from cloud-fan/ui.
Authored-by: Wenchen Fan <wenchen@databricks.com>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
### What changes were proposed in this pull request?
For the stage level scheduling feature, add the ability to optionally merged resource profiles if they were specified on multiple RDD within a stage. There is a config to enable this feature, its off by default (spark.scheduler.resourceProfile.mergeConflicts). When the config is set to true, Spark will merge the profiles selecting the max value of each resource (cores, memory, gpu, etc). further documentation will be added with SPARK-30322.
This also added in the ability to check if an equivalent resource profile already exists. This is so that if a user is running stages and combining the same profiles over and over again we don't get an explosion in the number of profiles.
### Why are the changes needed?
To allow users to specify resource on multiple RDD and not worry as much about if they go into the same stage and fail.
### Does this PR introduce any user-facing change?
Yes, when the config is turned on it now merges the profiles instead of errorring out.
### How was this patch tested?
Unit tests
Closes#28053 from tgravescs/SPARK-29153.
Lead-authored-by: Thomas Graves <tgraves@apache.org>
Co-authored-by: Thomas Graves <tgraves@nvidia.com>
Signed-off-by: Thomas Graves <tgraves@apache.org>
## What changes were proposed in this pull request?
For TransportFactory, the requests sent to the same address share a clientPool.
Specially, when the io.numConnectionPerPeer is 1, these requests would share a same client.
When this address is unreachable, the createClient operation would be still timeout.
And these requests would block each other during createClient, because there is a lock for this shared client.
It would cost connectionNum \* connectionTimeOut \* maxRetry to retry, and then fail the task.
It fact, it is expected that this task could fail in connectionTimeOut * maxRetry.
In this PR, I set a fastFail time window for the clientPool, if the last connection failed in this time window, the new connection would fast fail.
## Why are the changes needed?
It can save time for some cases.
## Does this PR introduce any user-facing change?
No.
## How was this patch tested?
Existing UT.
Closes#27943 from turboFei/SPARK-31179-fast-fail-connection.
Authored-by: turbofei <fwang12@ebay.com>
Signed-off-by: Thomas Graves <tgraves@apache.org>
### What changes were proposed in this pull request?
After my investigation, `SQLQueryTestSuite` spent a lot of time compiling the generated java code.
Take `group-by.sql` as an example.
At first, I added some debug log into `SQLQueryTestSuite`.
Please reference 92b6af740c/sql/core/src/test/scala/org/apache/spark/sql/SQLQueryTestSuite.scala (L402)
The execution command is as follows:
`build/sbt "~sql/test-only *SQLQueryTestSuite -- -z group-by.sql"`
The output show below:
```
00:56:06.192 WARN org.apache.spark.sql.SQLQueryTestSuite: group-by.sql using configs: spark.sql.codegen.wholeStage=true. run time: 20604
00:56:13.719 WARN org.apache.spark.sql.SQLQueryTestSuite: group-by.sql using configs: spark.sql.codegen.wholeStage=false,spark.sql.codegen.factoryMode=CODEGEN_ONLY. run time: 7526
00:56:18.786 WARN org.apache.spark.sql.SQLQueryTestSuite: group-by.sql using configs: spark.sql.codegen.wholeStage=false,spark.sql.codegen.factoryMode=NO_CODEGEN. run time: 5066
```
According to the log, we know.
Config | Run time(ms)
-- | --
spark.sql.codegen.wholeStage=true | 20604
spark.sql.codegen.wholeStage=false,spark.sql.codegen.factoryMode=CODEGEN_ONLY | 7526
spark.sql.codegen.wholeStage=false,spark.sql.codegen.factoryMode=NO_CODEGEN | 5066
We should display the total compile time for generated java code.
This PR will add the following to `SQLQueryTestSuite`'s output.
```
=== Metrics of Whole Codegen ===
Total compile time: 80.564516529 seconds
```
Note: At first, I wanted to use `CodegenMetrics.METRIC_COMPILATION_TIME` to do this. After many experiments, I found that `CodegenMetrics.METRIC_COMPILATION_TIME` is only effective for a single test case, and cannot play a role in the whole life cycle of `SQLQueryTestSuite`.
I checked the type of ` CodegenMetrics.METRIC_COMPILATION_TIME` is `Histogram` and the latter preserves 1028 elements.` Histogram` is a metric which calculates the distribution of a value.
### Why are the changes needed?
Display the total compile time for generated java code.
### Does this PR introduce any user-facing change?
'No'.
### How was this patch tested?
Jenkins test.
Closes#28081 from beliefer/output-codegen-compile-time.
Lead-authored-by: beliefer <beliefer@163.com>
Co-authored-by: gengjiaan <gengjiaan@360.cn>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
The `SaveMode` is resolved before we create `FileWriteBuilder` to build `BatchWrite`.
In https://github.com/apache/spark/pull/25876, we removed save mode for DSV2 from DataFrameWriter. So that the `mode` method is never used which makes `validateInputs` fail determinately without `mode` set.
### Why are the changes needed?
rm dead code.
### Does this PR introduce any user-facing change?
no
### How was this patch tested?
existing tests.
Closes#28090 from yaooqinn/SPARK-31321.
Authored-by: Kent Yao <yaooqinn@hotmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
This PR (SPARK-31324) aims to include stream ID in the error thrown when a stream does not stop() in time.
### Why are the changes needed?
https://github.com/apache/spark/pull/26771/ added a conf to set a requested timeout for stopping a stream, after which the stop() method throws. From seeing this in a production use case with several streams running, it's helpful to include which stream failed to stop in the error message.
### Does this PR introduce any user-facing change?
If a stream times out when terminating, the error message now includes the stream ID.
Before:
`Stream Execution thread failed to stop within 2000 milliseconds (specified by spark.sql.streaming.stopTimeout). See the cause on what was being executed in the streaming query thread.`
After:
`Stream Execution thread for stream [id = 8513769d-b9d2-4902-9b36-3668bd022245, runId = 21ed8c35-9bfe-423f-853d-c022d91818bc] failed to stop within 2000 milliseconds (specified by spark.sql.streaming.stopTimeout). See the cause on what was being executed in the streaming query thread.`
### How was this patch tested?
Updated existing unit test
Closes#28095 from mukulmurthy/31324-id.
Authored-by: Mukul Murthy <mukul.murthy@gmail.com>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
### What changes were proposed in this pull request?
rename `QueryPlan.collectInPlanAndSubqueries` to `collectWithSubqueries`
### Why are the changes needed?
The old name is too verbose. `QueryPlan` is internal but it's the core of catalyst and we'd better make the API name clearer before we release it.
### Does this PR introduce any user-facing change?
no
### How was this patch tested?
N/A
Closes#28092 from cloud-fan/rename.
Authored-by: Wenchen Fan <wenchen@databricks.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
This PR adds description for `Shuffle Write Time` to `web-ui.md`.
### Why are the changes needed?
#27837 added `Shuffle Write Time` metric to task metrics summary but it's not documented yet.
### Does this PR introduce any user-facing change?
Yes.
We can see the description for `Shuffle Write Time` in the new `web-ui.html`.
<img width="956" alt="shuffle-write-time-description" src="https://user-images.githubusercontent.com/4736016/78175342-a9722280-7495-11ea-9cc6-62c6f3619aa3.png">
### How was this patch tested?
Built docs by `SKIP_API=1 jekyll build` in `doc` directory and then confirmed `web-ui.html`.
Closes#28093 from sarutak/SPARK-31073-doc.
Authored-by: Kousuke Saruta <sarutak@oss.nttdata.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
In `TaskSchedulerImpl`, Spark will upper schedule mode `SchedulingMode.withName(schedulingModeConf.toUpperCase(Locale.ROOT))`.
But at other place, Spark does not. Such as [AllJobsPage](5945d46c11/core/src/main/scala/org/apache/spark/ui/jobs/AllJobsPage.scala (L304)).
We should have the same behavior and uppercase schema mode string at config.
### Why are the changes needed?
Before this pr, it's ok to set `spark.scheduler.mode=fair` logically.
But Spark will throw warn log
```
java.util.NoSuchElementException: No value found for 'fair'
at scala.Enumeration.withName(Enumeration.scala:124)
at org.apache.spark.ui.jobs.AllJobsPage$$anonfun$22.apply(AllJobsPage.scala:314)
at org.apache.spark.ui.jobs.AllJobsPage$$anonfun$22.apply(AllJobsPage.scala:314)
at scala.Option.map(Option.scala:146)
at org.apache.spark.ui.jobs.AllJobsPage.render(AllJobsPage.scala:314)
at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:90)
at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:90)
at org.apache.spark.ui.JettyUtils$$anon$3.doGet(JettyUtils.scala:90)
```
### Does this PR introduce any user-facing change?
Almost no.
### How was this patch tested?
Exists Test.
Closes#28049 from ulysses-you/SPARK-31285.
Authored-by: ulysses <youxiduo@weidian.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
The release script stops working after d5865493ae , as we require `mkdocs 1.0.0`.
This PR upgrades `mkdocs` from 0.1.6.3 to 1.0.4. To do that ruby is also upgraded to 2.5.
This PR also fixes some small issues.
### Why are the changes needed?
to make RC
### Does this PR introduce any user-facing change?
no
### How was this patch tested?
tested by 3.0.0-rc1
Closes#28088 from cloud-fan/rc.
Authored-by: Wenchen Fan <wenchen@databricks.com>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
### What changes were proposed in this pull request?
In the PR, I propose to add new benchmarks to `DateTimeRebaseBenchmark` for saving and loading dates/timestamps to/from ORC files. I extracted common code from the benchmark for Parquet datasource and place it to the methods `caseName()` and `getPath()`. Added benchmarks for ORC save/load dates before and after 1582-10-15 because an implementation may have different performance for dates before the Julian calendar cutover day, see #28067 as an example.
### Why are the changes needed?
To have the base line for future optimizations of `fromJavaDate()`/`toJavaDate()` and `toJavaTimestamp()`/`fromJavaTimestamp()` in `DateTimeUtils`. The methods are used while saving/loading dates/timestamps by ORC datasource.
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
By running the updated benchmark `DateTimeRebaseBenchmark` via the command:
```
SPARK_GENERATE_BENCHMARK_FILES=1 build/sbt "sql/test:runMain org.apache.spark.sql.execution.benchmark.DateTimeRebaseBenchmark"
```
in the environment:
| Item | Description |
| ---- | ----|
| Region | us-west-2 (Oregon) |
| Instance | r3.xlarge |
| AMI | ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20190722.1 (ami-06f2f779464715dc5) |
| Java | OpenJDK 1.8.0_242-8u242/11.0.6+10 |
Closes#28076 from MaxGekk/rebase-benchmark-orc.
Lead-authored-by: Max Gekk <max.gekk@gmail.com>
Co-authored-by: Maxim Gekk <max.gekk@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
In the PR, I propose to replace the following SQL configs:
1. `spark.sql.legacy.parquet.rebaseDateTime.enabled` by
- `spark.sql.legacy.parquet.rebaseDateTimeInWrite.enabled` (`false` by default). The config enables rebasing dates/timestamps while saving to Parquet files. If it is set to `true`, dates/timestamps are converted to local date-time in Proleptic Gregorian calendar, date-time fields are extracted, and used in building new local date-time in the hybrid calendar (Julian + Gregorian). The resulted local date-time is converted to days or microseconds since the epoch.
- `spark.sql.legacy.parquet.rebaseDateTimeInRead.enabled` (`false` by default). The config enables rebasing of dates/timestamps in reading from Parquet files.
2. `spark.sql.legacy.avro.rebaseDateTime.enabled` by
- `spark.sql.legacy.avro.rebaseDateTimeInWrite.enabled` (`false` by default). It enables dates/timestamps rebasing from Proleptic Gregorian calendar to the hybrid calendar via local date/timestamps.
- `spark.sql.legacy.avro.rebaseDateTimeInRead.enabled` (`false` by default). It enables rebasing dates/timestamps from the hybrid calendar to Proleptic Gregorian calendar in read. The rebasing is performed by converting micros/millis/days to a local date/timestamp in the source calendar, interpreting the resulted date/timestamp in the target calendar, and getting the number of micros/millis/days since the epoch 1970-01-01 00:00:00Z.
### Why are the changes needed?
This allows to load dates/timestamps saved by Spark 2.4, and save to Parquet/Avro files without rebasing. And the reverse use case - load data saved by Spark 3.0, and save it in the form which is compatible with Spark 2.4.
### Does this PR introduce any user-facing change?
Yes, users have to use new SQL configs. Old SQL configs are removed by the PR.
### How was this patch tested?
By existing test suites `AvroV1Suite`, `AvroV2Suite` and `ParquetIOSuite`.
Closes#28082 from MaxGekk/split-rebase-configs.
Authored-by: Maxim Gekk <max.gekk@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
This PR aims to add `m01` as a node name additionally to `PVTestsSuite`.
### Why are the changes needed?
minikube 1.8.0 ~ 1.8.2 generate a cluster with a nodename `m01` while all the other versions have `minikube`. This causes `PVTestSuite` failure.
```
$ minikube --vm-driver=hyperkit start --memory 6000 --cpus 8
* minikube v1.8.2 on Darwin 10.15.3
- MINIKUBE_ACTIVE_DOCKERD=minikube
* Using the hyperkit driver based on user configuration
* Creating hyperkit VM (CPUs=8, Memory=6000MB, Disk=20000MB) ...
* Preparing Kubernetes v1.18.0 on Docker 19.03.6 ...
* Launching Kubernetes ...
* Enabling addons: default-storageclass, storage-provisioner
* Waiting for cluster to come online ...
* Done! kubectl is now configured to use "minikube"
$ kubectl get nodes
NAME STATUS ROLES AGE VERSION
m01 Ready master 22s v1.17.3
```
### Does this PR introduce any user-facing change?
No.
### How was this patch tested?
This only adds a new node name. So, K8S Jenkins job should passed.
In addition, `K8s` integration test suite should be tested on `minikube 1.8.2` manually.
```
KubernetesSuite:
- Run SparkPi with no resources
- Run SparkPi with a very long application name.
- Use SparkLauncher.NO_RESOURCE
- Run SparkPi with a master URL without a scheme.
- Run SparkPi with an argument.
- Run SparkPi with custom labels, annotations, and environment variables.
- All pods have the same service account by default
- Run extraJVMOptions check on driver
- Run SparkRemoteFileTest using a remote data file
- Run SparkPi with env and mount secrets.
- Run PySpark on simple pi.py example
- Run PySpark with Python2 to test a pyfiles example
- Run PySpark with Python3 to test a pyfiles example
- Run PySpark with memory customization
- Run in client mode.
- Start pod creation from template
- PVs with local storage
- Launcher client dependencies
- Test basic decommissioning
- Run SparkR on simple dataframe.R example
Run completed in 10 minutes, 23 seconds.
Total number of tests run: 20
Suites: completed 2, aborted 0
Tests: succeeded 20, failed 0, canceled 0, ignored 0, pending 0
All tests passed.
```
For the above test, Minikube 1.8.2 and K8s v1.18.0 is used.
```
$ minikube version
minikube version: v1.8.2
commit: eb13446e786c9ef70cb0a9f85a633194e62396a1
$ kubectl version --short
Client Version: v1.18.0
Server Version: v1.18.0
```
Closes#28080 from dongjoon-hyun/SPARK-31313.
Authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: DB Tsai <d_tsai@apple.com>
### What changes were proposed in this pull request?
Add back the deprecated R APIs removed by https://github.com/apache/spark/pull/22843/ and https://github.com/apache/spark/pull/22815.
These APIs are
- `sparkR.init`
- `sparkRSQL.init`
- `sparkRHive.init`
- `registerTempTable`
- `createExternalTable`
- `dropTempTable`
No need to port the function such as
```r
createExternalTable <- function(x, ...) {
dispatchFunc("createExternalTable(tableName, path = NULL, source = NULL, ...)", x, ...)
}
```
because this was for the backward compatibility when SQLContext exists before assuming from https://github.com/apache/spark/pull/9192, but seems we don't need it anymore since SparkR replaced SQLContext with Spark Session at https://github.com/apache/spark/pull/13635.
### Why are the changes needed?
Amend Spark's Semantic Versioning Policy
### Does this PR introduce any user-facing change?
Yes
The removed R APIs are put back.
### How was this patch tested?
Add back the removed tests
Closes#28058 from huaxingao/r.
Authored-by: Huaxin Gao <huaxing@us.ibm.com>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
### What changes were proposed in this pull request?
This PR (SPARK-31308) proposed to add python dependencies even it is not Python applications.
### Why are the changes needed?
For now, we add `pyFiles` argument to `files` argument only for Python applications, in SparkSubmit. Like the reason in #21420, "for some Spark applications, though they're a java program, they require not only jar dependencies, but also python dependencies.", we need to add `pyFiles` to `files` even it is not Python applications.
### Does this PR introduce any user-facing change?
Yes. After this change, for non-PySpark applications, the Python files specified by `pyFiles` are also added to `files` like PySpark applications.
### How was this patch tested?
Manually test on jupyter notebook or do `spark-submit` with `--verbose`.
```
Spark config:
...
(spark.files,file:/Users/dongjoon/PRS/SPARK-PR-28077/a.py)
(spark.submit.deployMode,client)
(spark.master,local[*])
```
Closes#28077 from viirya/pyfile.
Lead-authored-by: Liang-Chi Hsieh <liangchi@uber.com>
Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
This PR (SPARK-31248) uses `ManualClock` to disable `ExecutorAllocationManager.schedule()` in order to avoid unexpected update of target executors.
### Why are the changes needed?
`ExecutorAllocationManager` will call `schedule` periodically, which may update target executors before we checking 496f6ac860/core/src/test/scala/org/apache/spark/ExecutorAllocationManagerSuite.scala (L864)
And fail the check:
```
sbt.ForkMain$ForkError: org.scalatest.exceptions.TestFailedException: 12 did not equal 8
at org.scalatest.Assertions.newAssertionFailedException(Assertions.scala:530)
at org.scalatest.Assertions.newAssertionFailedException$(Assertions.scala:529)
at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1560)
at org.scalatest.Assertions$AssertionsHelper.macroAssert(Assertions.scala:503)
at org.apache.spark.ExecutorAllocationManagerSuite.$anonfun$new$51(ExecutorAllocationManagerSuite.scala:864)
at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
at org.scalatest.Transformer.apply(Transformer.scala:22)
at org.scalatest.Transformer.apply(Transformer.scala:20)
at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186)
at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:151)
at org.scalatest.FunSuiteLike.invokeWithFixture$1(FunSuiteLike.scala:184)
```
### Does this PR introduce any user-facing change?
No.
### How was this patch tested?
Update test.
Closes#28084 from Ngone51/spark_31248.
Authored-by: yi.wu <yi.wu@databricks.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
Add ANOVATest example for ml.stat.ANOVATest in python/java/scala
### Why are the changes needed?
Improve ML example
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
manually run the example
Closes#28073 from kevinyu98/add-ANOVA-example.
Authored-by: Qianyang Yu <qyu@us.ibm.com>
Signed-off-by: Sean Owen <srowen@gmail.com>
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### What changes were proposed in this pull request?
<!--
Please clarify what changes you are proposing. The purpose of this section is to outline the changes and how this PR fixes the issue.
If possible, please consider writing useful notes for better and faster reviews in your PR. See the examples below.
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Add SQL metrics to the AQE shuffle reader (`CustomShuffleReaderExec`)
### Why are the changes needed?
<!--
Please clarify why the changes are needed. For instance,
1. If you propose a new API, clarify the use case for a new API.
2. If you fix a bug, you can clarify why it is a bug.
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to be more UI friendly
### Does this PR introduce any user-facing change?
<!--
If yes, please clarify the previous behavior and the change this PR proposes - provide the console output, description and/or an example to show the behavior difference if possible.
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No
### How was this patch tested?
<!--
If tests were added, say they were added here. Please make sure to add some test cases that check the changes thoroughly including negative and positive cases if possible.
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If tests were not added, please describe why they were not added and/or why it was difficult to add.
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new test
Closes#28022 from cloud-fan/metrics.
Authored-by: Wenchen Fan <wenchen@databricks.com>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
### What changes were proposed in this pull request?
Added Java UDF suggestion in the in error message of untyped Scala UDF.
### Why are the changes needed?
To help user migrate their use case from deprecate untyped Scala UDF to other supported UDF.
### Does this PR introduce any user-facing change?
No. It haven't been released.
### How was this patch tested?
Pass Jenkins.
Closes#28070 from Ngone51/spark_31010.
Authored-by: yi.wu <yi.wu@databricks.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
This patch proposes to cache Class instance for the UDF instance in HiveFunctionWrapper to fix the case where Hive simple UDF is somehow transformed (expression is copied) and evaluated later with another classloader (for the case current thread context classloader is somehow changed). In this case, Spark throws CNFE as of now.
It's only occurred for Hive simple UDF, as HiveFunctionWrapper caches the UDF instance whereas it doesn't do for `UDF` type. The comment says Spark has to create instance every time for UDF, so we cannot simply do the same. This patch caches Class instance instead, and switch current thread context classloader to which loads the Class instance.
This patch extends the test boundary as well. We only tested with GenericUDTF for SPARK-26560, and this patch actually requires only UDF. But to avoid regression for other types as well, this patch adds all available types (UDF, GenericUDF, AbstractGenericUDAFResolver, UDAF, GenericUDTF) into the boundary of tests.
Credit to cloud-fan as he discovered the problem and proposed the solution.
### Why are the changes needed?
Above section describes why it's a bug and how it's fixed.
### Does this PR introduce any user-facing change?
No.
### How was this patch tested?
New UTs added.
Closes#28079 from HeartSaVioR/SPARK-31312.
Authored-by: Jungtaek Lim (HeartSaVioR) <kabhwan.opensource@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
Create statement plans in `DataFrameWriter(V2)`, like the SQL API.
### Why are the changes needed?
It's better to leave all the resolution work to the analyzer.
### Does this PR introduce any user-facing change?
no
### How was this patch tested?
existing tests
Closes#27992 from cloud-fan/statement.
Authored-by: Wenchen Fan <wenchen@databricks.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
This reverts commit 8cf76f8d61. #25962
### Why are the changes needed?
In SPARK-29285, we change to create shuffle temporary eagerly. This is helpful for not to fail the entire task in the scenario of occasional disk failure. But for the applications that many tasks don't actually create shuffle files, it caused overhead. See the below benchmark:
Env: Spark local-cluster[2, 4, 19968], each queries run 5 round, each round 5 times.
Data: TPC-DS scale=99 generate by spark-tpcds-datagen
Results:
| | Base | Revert |
|-----|---------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------|
| Q20 | Vector(4.096865667, 2.76231748, 2.722007606, 2.514433591, 2.400373579) Median 2.722007606 | Vector(3.763185446, 2.586498463, 2.593472842, 2.320522846, 2.224627274) Median 2.586498463 |
| Q33 | Vector(5.872176321, 4.854397586, 4.568787136, 4.393378146, 4.423996818) Median 4.568787136 | Vector(5.38746785, 4.361236877, 4.082311276, 3.867206824, 3.783188024) Median 4.082311276 |
| Q52 | Vector(3.978870321, 3.225437871, 3.282411608, 2.869674887, 2.644490664) Median 3.225437871 | Vector(4.000381522, 3.196025108, 3.248787619, 2.767444508, 2.606163423) Median 3.196025108 |
| Q56 | Vector(6.238045133, 4.820535173, 4.609965579, 4.313509894, 4.221256227) Median 4.609965579 | Vector(6.241611339, 4.225592467, 4.195202502, 3.757085755, 3.657525982) Median 4.195202502 |
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
Existing tests.
Closes#28072 from xuanyuanking/SPARK-29285-revert.
Authored-by: Yuanjian Li <xyliyuanjian@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
In the PR, I propose to replace current implementation of the `rebaseGregorianToJulianDays()` and `rebaseJulianToGregorianDays()` functions in `DateTimeUtils` by new one which is based on the fact that difference between Proleptic Gregorian and the hybrid (Julian+Gregorian) calendars was changed only 14 times for entire supported range of valid dates `[0001-01-01, 9999-12-31]`:
| date | Proleptic Greg. days | Hybrid (Julian+Greg) days | diff|
| ---- | ----|----|----|
|0001-01-01|-719162|-719164|-2|
|0100-03-01|-682944|-682945|-1|
|0200-03-01|-646420|-646420|0|
|0300-03-01|-609896|-609895|1|
|0500-03-01|-536847|-536845|2|
|0600-03-01|-500323|-500320|3|
|0700-03-01|-463799|-463795|4|
|0900-03-01|-390750|-390745|5|
|1000-03-01|-354226|-354220|6|
|1100-03-01|-317702|-317695|7|
|1300-03-01|-244653|-244645|8|
|1400-03-01|-208129|-208120|9|
|1500-03-01|-171605|-171595|10|
|1582-10-15|-141427|-141427|0|
For the given days since the epoch, the proposed implementation finds the range of days which the input days belongs to, and adds the diff in days between calendars to the input. The result is rebased days since the epoch in the target calendar.
For example, if need to rebase -650000 days from Proleptic Gregorian calendar to the hybrid calendar. In that case, the input falls to the bucket [-682944, -646420), the diff associated with the range is -1. To get the rebased days in Julian calendar, we should add -1 to -650000, and the result is -650001.
### Why are the changes needed?
To make dates rebasing faster.
### Does this PR introduce any user-facing change?
No, the results should be the same for valid range of the `DATE` type `[0001-01-01, 9999-12-31]`.
### How was this patch tested?
- Added 2 tests to `DateTimeUtilsSuite` for the `rebaseGregorianToJulianDays()` and `rebaseJulianToGregorianDays()` functions. The tests check that results of old and new implementation (optimized version) are the same for all supported dates.
- Re-run `DateTimeRebaseBenchmark` on:
| Item | Description |
| ---- | ----|
| Region | us-west-2 (Oregon) |
| Instance | r3.xlarge |
| AMI | ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20190722.1 (ami-06f2f779464715dc5) |
| Java | OpenJDK8/11 |
Closes#28067 from MaxGekk/optimize-rebasing.
Lead-authored-by: Maxim Gekk <max.gekk@gmail.com>
Co-authored-by: Max Gekk <max.gekk@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
A small documentation change to clarify that the `rand()` function produces values in `[0.0, 1.0)`.
### Why are the changes needed?
`rand()` uses `Rand()` - which generates values in [0, 1) ([documented here](a1dbcd13a3/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/randomExpressions.scala (L71))). The existing documentation suggests that 1.0 is a possible value returned by rand (i.e for a distribution written as `X ~ U(a, b)`, x can be a or b, so `U[0.0, 1.0]` suggests the value returned could include 1.0).
### Does this PR introduce any user-facing change?
Only documentation changes.
### How was this patch tested?
Documentation changes only.
Closes#28071 from Smeb/master.
Authored-by: Ben Ryves <benjamin.ryves@getyourguide.com>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
### What changes were proposed in this pull request?
when input dataset is sparse, make `ANOVATest` only process non-zero value
### Why are the changes needed?
for performance
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
existing testsuites
Closes#27982 from zhengruifeng/anova_sparse.
Authored-by: zhengruifeng <ruifengz@foxmail.com>
Signed-off-by: zhengruifeng <ruifengz@foxmail.com>
### What changes were proposed in this pull request?
This PR (SPARK-30775) aims to improve the description of the executor metrics in the monitoring documentation.
### Why are the changes needed?
Improve and clarify monitoring documentation by:
- adding reference to the Prometheus end point, as implemented in [SPARK-29064]
- extending the list and descripion of executor metrics, following up from [SPARK-27157]
### Does this PR introduce any user-facing change?
Documentation update.
### How was this patch tested?
n.a.
Closes#27526 from LucaCanali/docPrometheusMetricsFollowupSpark29064.
Authored-by: Luca Canali <luca.canali@cern.ch>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
A small change to fix an error in Docker `entrypoint.sh`
### Why are the changes needed?
When spark running on Kubernetes, I got the following logs:
```log
+ '[' -n ']'
+ '[' -z ']'
++ /bin/hadoop classpath
/opt/entrypoint.sh: line 62: /bin/hadoop: No such file or directory
+ export SPARK_DIST_CLASSPATH=
+ SPARK_DIST_CLASSPATH=
```
This is because you are missing some quotes on bash comparisons.
### Does this PR introduce any user-facing change?
No
## How was this patch tested?
CI
Closes#28075 from dungdm93/patch-1.
Authored-by: Đặng Minh Dũng <dungdm93@live.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
Close idle connections at shuffle server side when an `IdleStateEvent` is triggered after `spark.shuffle.io.connectionTimeout` or `spark.network.timeout` time. It's based on following investigations.
1. We found connections on our clusters building up continuously (> 10k for some nodes). Is that normal ? We don't think so.
2. We looked into the connections on one node and found there were a lot of half-open connections. (connections only existed on one node)
3. We also checked those connections were very old (> 21 hours). (FYI, https://superuser.com/questions/565991/how-to-determine-the-socket-connection-up-time-on-linux)
4. Looking at the code, TransportContext registers an IdleStateHandler which should fire an IdleStateEvent when timeout. We did a heap dump of the YarnShuffleService and checked the attributes of IdleStateHandler. It turned out firstAllIdleEvent of many IdleStateHandlers were already false so IdleStateEvent were already fired.
5. Finally, we realized the IdleStateEvent would not be handled since closeIdleConnections are hardcoded to false for YarnShuffleService.
### Why are the changes needed?
Idle connections to YarnShuffleService could never be closed, and will be accumulating and taking up memory and file descriptors.
### Does this PR introduce any user-facing change?
No.
### How was this patch tested?
Existing tests.
Closes#27998 from manuzhang/spark-31219.
Authored-by: manuzhang <owenzhang1990@gmail.com>
Signed-off-by: Thomas Graves <tgraves@apache.org>
### What changes were proposed in this pull request?
In the PR, I propose to add new benchmark `DateTimeRebaseBenchmark` which should measure the performance of rebasing of dates/timestamps from/to to the hybrid calendar (Julian+Gregorian) to/from Proleptic Gregorian calendar:
1. In write, it saves separately dates and timestamps before and after 1582 year w/ and w/o rebasing.
2. In read, it loads previously saved parquet files by vectorized reader and by regular reader.
Here is the summary of benchmarking:
- Saving timestamps is **~6 times slower**
- Loading timestamps w/ vectorized **off** is **~4 times slower**
- Loading timestamps w/ vectorized **on** is **~10 times slower**
### Why are the changes needed?
To know the impact of date-time rebasing introduced by #27915, #27953, #27807.
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
Run the `DateTimeRebaseBenchmark` benchmark using Amazon EC2:
| Item | Description |
| ---- | ----|
| Region | us-west-2 (Oregon) |
| Instance | r3.xlarge |
| AMI | ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20190722.1 (ami-06f2f779464715dc5) |
| Java | OpenJDK8/11 |
Closes#28057 from MaxGekk/rebase-bechmark.
Lead-authored-by: Maxim Gekk <max.gekk@gmail.com>
Co-authored-by: Max Gekk <max.gekk@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
add a common method `computeChiSq` and reuse it in both `chiSquaredDenseFeatures` and `chiSquaredSparseFeatures`
### Why are the changes needed?
to simplify ChiSq
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
existing testsuites
Closes#28045 from zhengruifeng/simplify_chisq.
Authored-by: zhengruifeng <ruifengz@foxmail.com>
Signed-off-by: zhengruifeng <ruifengz@foxmail.com>
### What changes were proposed in this pull request?
`DataFrameStatFunctions` now works correctly with fully qualified column name (Table.Column syntax) by properly resolving the name instead of relying on field names from schema, notably:
* `approxQuantile`
* `freqItems`
* `cov`
* `corr`
(other functions from `DataFrameStatFunctions` already work correctly).
See code examples below.
### Why are the changes needed?
With current implementation some stat functions are impossible to use when joining datasets with similar column names.
### Does this PR introduce any user-facing change?
Yes. Before the change, the following code would fail with `AnalysisException`.
```scala
scala> val df1 = sc.parallelize(0 to 10).toDF("num").as("table1")
df1: org.apache.spark.sql.Dataset[org.apache.spark.sql.Row] = [num: int]
scala> val df2 = sc.parallelize(0 to 10).toDF("num").as("table2")
df2: org.apache.spark.sql.Dataset[org.apache.spark.sql.Row] = [num: int]
scala> val dfx = df2.crossJoin(df1)
dfx: org.apache.spark.sql.DataFrame = [num: int, num: int]
scala> dfx.stat.approxQuantile("table1.num", Array(0.1), 0.0)
res0: Array[Double] = Array(1.0)
scala> dfx.stat.corr("table1.num", "table2.num")
res1: Double = 1.0
scala> dfx.stat.cov("table1.num", "table2.num")
res2: Double = 11.0
scala> dfx.stat.freqItems(Array("table1.num", "table2.num"))
res3: org.apache.spark.sql.DataFrame = [table1.num_freqItems: array<int>, table2.num_freqItems: array<int>]
```
### How was this patch tested?
Corresponding unit tests are added to `DataFrameStatSuite.scala` (marked as "SPARK-30532").
Closes#27916 from kachayev/fix-spark-30532.
Authored-by: Oleksii Kachaiev <kachayev@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
In the PR, I propose to update the doc for the `timeZone` option in JSON/CSV datasources and for the `tz` parameter of the `from_utc_timestamp()`/`to_utc_timestamp()` functions, and to restrict format of config's values to 2 forms:
1. Geographical regions, such as `America/Los_Angeles`.
2. Fixed offsets - a fully resolved offset from UTC. For example, `-08:00`.
### Why are the changes needed?
Other formats such as three-letter time zone IDs are ambitious, and depend on the locale. For example, `CST` could be U.S. `Central Standard Time` and `China Standard Time`. Such formats have been already deprecated in JDK, see [Three-letter time zone IDs](https://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html).
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
By running `./dev/scalastyle`, and manual testing.
Closes#28051 from MaxGekk/doc-time-zone-option.
Authored-by: Maxim Gekk <max.gekk@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
### What changes were proposed in this pull request?
This PR (SPARK-31293) fixes wrong command examples, parameter descriptions and help message format for Amazon Kinesis integration with Spark Streaming.
### Why are the changes needed?
To improve usability of those commands.
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
I ran the fixed commands manually and confirmed they worked as expected.
Closes#28063 from sekikn/SPARK-31293.
Authored-by: Kengo Seki <sekikn@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
```sql
scala> spark.sql(" select * from values(1), (2) t(key) where key in (select 1 as key where 1=0)").queryExecution
res15: org.apache.spark.sql.execution.QueryExecution =
== Parsed Logical Plan ==
'Project [*]
+- 'Filter 'key IN (list#39 [])
: +- Project [1 AS key#38]
: +- Filter (1 = 0)
: +- OneRowRelation
+- 'SubqueryAlias t
+- 'UnresolvedInlineTable [key], [List(1), List(2)]
== Analyzed Logical Plan ==
key: int
Project [key#40]
+- Filter key#40 IN (list#39 [])
: +- Project [1 AS key#38]
: +- Filter (1 = 0)
: +- OneRowRelation
+- SubqueryAlias t
+- LocalRelation [key#40]
== Optimized Logical Plan ==
Join LeftSemi, (key#40 = key#38)
:- LocalRelation [key#40]
+- LocalRelation <empty>, [key#38]
== Physical Plan ==
*(1) BroadcastHashJoin [key#40], [key#38], LeftSemi, BuildRight
:- *(1) LocalTableScan [key#40]
+- Br...
```
`LocalRelation <empty> ` should be able to propagate after subqueries are lift up to joins
### Why are the changes needed?
optimize query
### Does this PR introduce any user-facing change?
no
### How was this patch tested?
add new tests
Closes#28043 from yaooqinn/SPARK-31280.
Authored-by: Kent Yao <yaooqinn@hotmail.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
Fix a broken link and make the relevant docs reference to the new doc
### Why are the changes needed?
### Does this PR introduce any user-facing change?
Yes, make CACHE TABLE, UNCACHE TABLE, CLEAR CACHE, REFRESH TABLE link to the new doc
### How was this patch tested?
Manually build and check
Closes#28065 from huaxingao/spark-30363-follow-up.
Authored-by: Huaxin Gao <huaxing@us.ibm.com>
Signed-off-by: Sean Owen <srowen@gmail.com>
### What changes were proposed in this pull request?
Based on the discussion in the mailing list [[Proposal] Modification to Spark's Semantic Versioning Policy](http://apache-spark-developers-list.1001551.n3.nabble.com/Proposal-Modification-to-Spark-s-Semantic-Versioning-Policy-td28938.html) , this PR is to add back the following APIs whose maintenance cost are relatively small.
- functions.toDegrees/toRadians
- functions.approxCountDistinct
- functions.monotonicallyIncreasingId
- Column.!==
- Dataset.explode
- Dataset.registerTempTable
- SQLContext.getOrCreate, setActive, clearActive, constructors
Below is the other removed APIs in the original PR, but not added back in this PR [https://issues.apache.org/jira/browse/SPARK-25908]:
- Remove some AccumulableInfo .apply() methods
- Remove non-label-specific multiclass precision/recall/fScore in favor of accuracy
- Remove unused Python StorageLevel constants
- Remove unused multiclass option in libsvm parsing
- Remove references to deprecated spark configs like spark.yarn.am.port
- Remove TaskContext.isRunningLocally
- Remove ShuffleMetrics.shuffle* methods
- Remove BaseReadWrite.context in favor of session
### Why are the changes needed?
Avoid breaking the APIs that are commonly used.
### Does this PR introduce any user-facing change?
Adding back the APIs that were removed in 3.0 branch does not introduce the user-facing changes, because Spark 3.0 has not been released.
### How was this patch tested?
Added a new test suite for these APIs.
Author: gatorsmile <gatorsmile@gmail.com>
Author: yi.wu <yi.wu@databricks.com>
Closes#27821 from gatorsmile/addAPIBackV2.
### What changes were proposed in this pull request?
This PR proposes to make pandas function APIs (`groupby.(cogroup.)applyInPandas` and `mapInPandas`) to ignore Python type hints.
### Why are the changes needed?
Python type hints are optional. It shouldn't affect where pandas UDFs are not used.
This is also a future work for them to support other type hints. We shouldn't at least throw an exception at this moment.
### Does this PR introduce any user-facing change?
No, it's master-only change.
```python
import pandas as pd
def pandas_plus_one(pdf: pd.DataFrame) -> pd.DataFrame:
return pdf + 1
spark.range(10).groupby('id').applyInPandas(pandas_plus_one, schema="id long").show()
```
```python
import pandas as pd
def pandas_plus_one(left: pd.DataFrame, right: pd.DataFrame) -> pd.DataFrame:
return left + 1
spark.range(10).groupby('id').cogroup(spark.range(10).groupby("id")).applyInPandas(pandas_plus_one, schema="id long").show()
```
```python
from typing import Iterator
import pandas as pd
def pandas_plus_one(iter: Iterator[pd.DataFrame]) -> Iterator[pd.DataFrame]:
return map(lambda v: v + 1, iter)
spark.range(10).mapInPandas(pandas_plus_one, schema="id long").show()
```
**Before:**
Exception
**After:**
```
+---+
| id|
+---+
| 1|
| 2|
| 3|
| 4|
| 5|
| 6|
| 7|
| 8|
| 9|
| 10|
+---+
```
### How was this patch tested?
Closes#28052 from HyukjinKwon/SPARK-31287.
Authored-by: HyukjinKwon <gurwls223@apache.org>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
### What changes were proposed in this pull request?
SPARK-25387 avoids npe for bad csv input, but when reading bad csv input with `columnNameCorruptRecord` specified, `getCurrentInput` is called and it still throws npe.
### Why are the changes needed?
Bug fix.
### Does this PR introduce any user-facing change?
No.
### How was this patch tested?
Add a test.
Closes#28029 from wzhfy/corrupt_column_npe.
Authored-by: Zhenhua Wang <wzh_zju@163.com>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
### What changes were proposed in this pull request?
This PR adds "Pandas Function API" into the menu.
### Why are the changes needed?
To be consistent and to make easier to navigate.
### Does this PR introduce any user-facing change?
No, master only.
### How was this patch tested?
Manually verified by `SKIP_API=1 jekyll build`.
Closes#28054 from HyukjinKwon/followup-spark-30722.
Authored-by: HyukjinKwon <gurwls223@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
### What changes were proposed in this pull request?
This PR replaces the method calls of `toSet.toSeq` with `distinct`.
### Why are the changes needed?
`toSet.toSeq` is intended to make its elements unique but a bit verbose. Using `distinct` instead is easier to understand and improves readability.
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
Tested with the existing unit tests and found no problem.
Closes#28062 from sekikn/SPARK-31292.
Authored-by: Kengo Seki <sekikn@apache.org>
Signed-off-by: Takeshi Yamamuro <yamamuro@apache.org>
### What changes were proposed in this pull request?
This PR aims to copy a test resource file to a local file in `OrcTest` suite before reading it.
### Why are the changes needed?
SPARK-31238 and SPARK-31284 added test cases to access the resouce file in `sql/core` module from `sql/hive` module. In **Maven** test environment, this causes a failure.
```
- SPARK-31238: compatibility with Spark 2.4 in reading dates *** FAILED ***
java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative path in absolute URI:
jar:file:/home/jenkins/workspace/spark-master-test-maven-hadoop-3.2-hive-2.3-jdk-11/sql/core/target/spark-sql_2.12-3.1.0-SNAPSHOT-tests.jar!/test-data/before_1582_date_v2_4.snappy.orc
```
```
- SPARK-31284: compatibility with Spark 2.4 in reading timestamps *** FAILED ***
java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative path in absolute URI:
jar:file:/home/jenkins/workspace/spark-master-test-maven-hadoop-3.2-hive-2.3/sql/core/target/spark-sql_2.12-3.1.0-SNAPSHOT-tests.jar!/test-data/before_1582_ts_v2_4.snappy.orc
```
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
Pass the Jenkins with Maven.
Closes#28059 from dongjoon-hyun/SPARK-31238.
Authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
