"val conf" was used instead of "SparkConf conf" in Java snippet.
Author: Santiago M. Mola <santi@mola.io>
Closes#2472 from smola/patch-1 and squashes the following commits:
5bfeb9b [Santiago M. Mola] Fix Java example in Streaming Programming Guide
This is now supported!
Author: andrewor14 <andrewor14@gmail.com>
Author: Andrew Or <andrewor14@gmail.com>
Closes#2461 from andrewor14/document-standalone-cluster and squashes the following commits:
85c8b9e [andrewor14] Wording change per Patrick
35e30ee [Andrew Or] Fix outdated docs for standalone cluster
This is a partial solution to SPARK-1701, only addressing the
documentation confusion.
Additional work can be to actually change the numSlices parameter name
across languages, with care required for scala & python to maintain
backward compatibility for named parameters.
Author: Matthew Farrellee <matt@redhat.com>
Closes#2305 from mattf/SPARK-1701 and squashes the following commits:
c0af05d [Matthew Farrellee] Further tweak
06f80fc [Matthew Farrellee] Wording tweak from Josh Rosen's review
7b045e0 [Matthew Farrellee] [SPARK-1701] Clarify slice vs partition in the programming guide
This patch makes some small changes to fix this problem:
1. We document specific versions of Jekyll/Kramdown to use that match
those used when building the upstream docs.
2. We add a configuration for a property that for some reason varies across
packages of Jekyll/Kramdown even with the same version.
Author: Patrick Wendell <pwendell@gmail.com>
Closes#2443 from pwendell/jekyll and squashes the following commits:
54ee2ab [Patrick Wendell] SPARK-3579 Jekyll doc generation is different across environments.
https://issues.apache.org/jira/browse/SPARK-3565
"spark.ports.maxRetries" should be "spark.port.maxRetries". Make the configuration keys in document and code consistent.
Author: WangTaoTheTonic <barneystinson@aliyun.com>
Closes#2427 from WangTaoTheTonic/fixPortRetries and squashes the following commits:
c178813 [WangTaoTheTonic] Use blank lines trigger Jenkins
646f3fe [WangTaoTheTonic] also in SparkBuild.scala
3700dba [WangTaoTheTonic] Fix configuration item not consistent with document
Makes the table of contents read better
Author: Andrew Ash <andrew@andrewash.com>
Closes#2402 from ash211/docs/better-indentation and squashes the following commits:
ea0e130 [Andrew Ash] Move HA subsections to a deeper indentation level
Author: Michael Armbrust <michael@databricks.com>
Closes#2434 from marmbrus/patch-1 and squashes the following commits:
67215be [Michael Armbrust] [SQL][DOCS] Improve table caching section
change the value of spark.files.fetchTimeout
Author: viper-kun <xukun.xu@huawei.com>
Closes#2406 from viper-kun/master and squashes the following commits:
ecb0d46 [viper-kun] [Docs] Correct spark.files.fetchTimeout default value
7cf4c7a [viper-kun] Update configuration.md
This adds a new page to the docs listing community projects -- those created outside of Apache Spark that are of interest to the community of Spark users. Anybody can add to it just by submitting a PR.
There was a discussion thread about alternatives:
* Creating a Github organization for Spark projects - we could not find any sponsors for this, and it would be difficult to organize since many folks just create repos in their company organization or personal accounts
* Apache has some place for storing community projects, but it was deemed difficult to work with, and again would be some permissions issues -- not everyone could update it.
Author: Evan Chan <velvia@gmail.com>
Closes#2219 from velvia/community-projects-page and squashes the following commits:
7316822 [Evan Chan] Point to Spark wiki: supplemental projects page
613b021 [Evan Chan] Add a few more projects
a85eaaf [Evan Chan] Add a Community Projects page
When deploying to AWS, there is additional configuration that is required to read S3 files. EMR creates it automatically, there is no reason that the Spark EC2 script shouldn't.
This PR requires a corresponding PR to the mesos/spark-ec2 to be merged, as it gets cloned in the process of setting up machines: https://github.com/mesos/spark-ec2/pull/58
Author: Dan Osipov <daniil.osipov@shazam.com>
Closes#1120 from danosipov/s3_credentials and squashes the following commits:
758da8b [Dan Osipov] Modify documentation to include the new parameter
71fab14 [Dan Osipov] Use a parameter --copy-aws-credentials to enable S3 credential deployment
7e0da26 [Dan Osipov] Get AWS credentials out of boto connection instance
39bdf30 [Dan Osipov] Add S3 configuration parameters to the EC2 deploy scripts
Taken from liancheng's updates. Merged conflicts with #2316.
Author: Michael Armbrust <michael@databricks.com>
Closes#2384 from marmbrus/sqlDocUpdate and squashes the following commits:
2db6319 [Michael Armbrust] @liancheng's updates
Here's my crack at Bertrand's suggestion. The Github `README.md` contains build info that's outdated. It should just point to the current online docs, and reflect that Maven is the primary build now.
(Incidentally, the stanza at the end about contributions of original work should go in https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark too. It won't hurt to be crystal clear about the agreement to license, given that ICLAs are not required of anyone here.)
Author: Sean Owen <sowen@cloudera.com>
Closes#2014 from srowen/SPARK-3069 and squashes the following commits:
501507e [Sean Owen] Note that Zinc is for Maven builds too
db2bd97 [Sean Owen] sbt -> sbt/sbt and add note about zinc
be82027 [Sean Owen] Fix additional occurrences of building-with-maven -> building-spark
91c921f [Sean Owen] Move building-with-maven to building-spark and create a redirect. Update doc links to building-spark.html Add jekyll-redirect-from plugin and make associated config changes (including fixing pygments deprecation). Add example of SBT to README.md
999544e [Sean Owen] Change "Building Spark with Maven" title to "Building Spark"; reinstate tl;dr info about dev/run-tests in README.md; add brief note about building with SBT
c18d140 [Sean Owen] Optionally, remove the copy of contributing text from main README.md
8e83934 [Sean Owen] Add CONTRIBUTING.md to trigger notice on new pull request page
b1c04a1 [Sean Owen] Refer to current online documentation for building, and remove slightly outdated copy in README.md
Reuse Python worker to avoid the overhead of fork() Python process for each tasks. It also tracks the broadcasts for each worker, avoid sending repeated broadcasts.
This can reduce the time for dummy task from 22ms to 13ms (-40%). It can help to reduce the latency for Spark Streaming.
For a job with broadcast (43M after compress):
```
b = sc.broadcast(set(range(30000000)))
print sc.parallelize(range(24000), 100).filter(lambda x: x in b.value).count()
```
It will finish in 281s without reused worker, and it will finish in 65s with reused worker(4 CPUs). After reusing the worker, it can save about 9 seconds for transfer and deserialize the broadcast for each tasks.
It's enabled by default, could be disabled by `spark.python.worker.reuse = false`.
Author: Davies Liu <davies.liu@gmail.com>
Closes#2259 from davies/reuse-worker and squashes the following commits:
f11f617 [Davies Liu] Merge branch 'master' into reuse-worker
3939f20 [Davies Liu] fix bug in serializer in mllib
cf1c55e [Davies Liu] address comments
3133a60 [Davies Liu] fix accumulator with reused worker
760ab1f [Davies Liu] do not reuse worker if there are any exceptions
7abb224 [Davies Liu] refactor: sychronized with itself
ac3206e [Davies Liu] renaming
8911f44 [Davies Liu] synchronized getWorkerBroadcasts()
6325fc1 [Davies Liu] bugfix: bid >= 0
e0131a2 [Davies Liu] fix name of config
583716e [Davies Liu] only reuse completed and not interrupted worker
ace2917 [Davies Liu] kill python worker after timeout
6123d0f [Davies Liu] track broadcasts for each worker
8d2f08c [Davies Liu] reuse python worker
* Fixed random typo
* Added in missing description for DecimalType
Author: Nicholas Chammas <nicholas.chammas@gmail.com>
Closes#2367 from nchammas/patch-1 and squashes the following commits:
aa528be [Nicholas Chammas] doc fix for SQL DecimalType
3247ac1 [Nicholas Chammas] [SQL] [Docs] typo fixes
After #1889, the default value of `containsNull` in an `ArrayType` is `true`.
Author: Yin Huai <huai@cse.ohio-state.edu>
Closes#2374 from yhuai/containsNull and squashes the following commits:
dc609a3 [Yin Huai] Update the SQL programming guide to show the correct default value of containsNull in an ArrayType (the default value is true instead of false).
Put original YARN queue spark-submit arg description in
running-on-yarn html table and example command line
Author: Mark G. Whitney <mark@whitneyindustries.com>
Closes#2218 from kramimus/2258-yarndoc and squashes the following commits:
4b5d808 [Mark G. Whitney] remove yarn queue config
f8cda0d [Mark G. Whitney] [SPARK-2558][DOCS] Add spark.yarn.queue description to YARN doc
This patch copies the approach used in the MapReduce application master for launching containers.
Author: Sandy Ryza <sandy@cloudera.com>
Closes#663 from sryza/sandy-spark-1713 and squashes the following commits:
036550d [Sandy Ryza] SPARK-1713. [YARN] Use a threadpool for launching executor containers
Adjust the default values of decision tree, based on the memory requirement discussed in https://github.com/apache/spark/pull/2125 :
1. maxMemoryInMB: 128 -> 256
2. maxBins: 100 -> 32
3. maxDepth: 4 -> 5 (in some example code)
jkbradley
Author: Xiangrui Meng <meng@databricks.com>
Closes#2322 from mengxr/tree-defaults and squashes the following commits:
cda453a [Xiangrui Meng] fix tests
5900445 [Xiangrui Meng] update comments
8c81831 [Xiangrui Meng] update default values of tree:
Author: Henry Cook <hcook@eecs.berkeley.edu>
Closes#2316 from hcook/sql-docs and squashes the following commits:
373f94b [Henry Cook] Minor edits to sql programming guide.
See compiled doc at
http://people.apache.org/~rxin/tmp/openstack-swift/_site/storage-openstack-swift.html
This is based on #1010. Closes#1010.
Author: Reynold Xin <rxin@apache.org>
Author: Gil Vernik <gilv@il.ibm.com>
Closes#2298 from rxin/openstack-swift and squashes the following commits:
ff4e394 [Reynold Xin] Two minor comments from Patrick.
279f6de [Reynold Xin] core-sites -> core-site
dfb8fea [Reynold Xin] Updated based on Gil's suggestion.
846f5cb [Reynold Xin] Added a link from overview page.
0447c9f [Reynold Xin] Removed sample code.
e9c3761 [Reynold Xin] Merge pull request #1010 from gilv/master
9233fef [Gil Vernik] Fixed typos
6994827 [Gil Vernik] Merge pull request #1 from rxin/openstack
ac0679e [Reynold Xin] Fixed an unclosed tr.
47ce99d [Reynold Xin] Merge branch 'master' into openstack
cca7192 [Gil Vernik] Removed white spases from pom.xml
99f095d [Reynold Xin] Pending openstack changes.
eb22295 [Reynold Xin] Merge pull request #1010 from gilv/master
39a9737 [Gil Vernik] Spark integration with Openstack Swift
c977658 [Gil Vernik] Merge branch 'master' of https://github.com/gilv/spark
2aba763 [Gil Vernik] Fix to docs/openstack-integration.md
9b625b5 [Gil Vernik] Merge branch 'master' of https://github.com/gilv/spark
eff538d [Gil Vernik] SPARK-938 - Openstack Swift object storage support
ce483d7 [Gil Vernik] SPARK-938 - Openstack Swift object storage support
b6c37ef [Gil Vernik] Openstack Swift support
Sort-based shuffle has lower memory usage and seems to outperform hash-based in almost all of our testing.
Author: Reynold Xin <rxin@apache.org>
Closes#2178 from rxin/sort-shuffle and squashes the following commits:
713d341 [Reynold Xin] Fixed test failures by setting spark.shuffle.compress to the same value as spark.shuffle.spill.compress.
85165e6 [Reynold Xin] Fixed a comment typo.
aa0d372 [Reynold Xin] [SPARK-3280] Made sort-based shuffle the default implementation
- Improvements to the kinesis integration guide from @cfregly
- More information about unified input dstreams in main guide
Author: Tathagata Das <tathagata.das1565@gmail.com>
Author: Chris Fregly <chris@fregly.com>
Closes#2307 from tdas/streaming-doc-fix1 and squashes the following commits:
ec40b5d [Tathagata Das] Updated figure with kinesis
fdb9c5e [Tathagata Das] Fixed style issues with kinesis guide
036d219 [Chris Fregly] updated kinesis docs and added an arch diagram
24f622a [Tathagata Das] More modifications.
Author: Kousuke Saruta <sarutak@oss.nttdata.co.jp>
Closes#2251 from sarutak/SPARK-3378 and squashes the following commits:
0bfe234 [Kousuke Saruta] Merge branch 'master' of git://git.apache.org/spark into SPARK-3378
bb5938f [Kousuke Saruta] Replaced rest of "SparkSQL" with "Spark SQL"
6df66de [Kousuke Saruta] Replaced "SparkSQL" with "Spark SQL"
Updated the main streaming programming guide, and also added source-specific guides for Kafka, Flume, Kinesis.
Author: Tathagata Das <tathagata.das1565@gmail.com>
Author: Jacek Laskowski <jacek@japila.pl>
Closes#2254 from tdas/streaming-doc-fix and squashes the following commits:
e45c6d7 [Jacek Laskowski] More fixes from an old PR
5125316 [Tathagata Das] Fixed links
dc02f26 [Tathagata Das] Refactored streaming kinesis guide and made many other changes.
acbc3e3 [Tathagata Das] Fixed links between streaming guides.
cb7007f [Tathagata Das] Added Streaming + Flume integration guide.
9bd9407 [Tathagata Das] Updated streaming programming guide with additional information from SPARK-2419.
- Include kinesis in the unidocs
- Hide non-public classes from docs
Author: Tathagata Das <tathagata.das1565@gmail.com>
Closes#2239 from tdas/kinesis-doc-fix and squashes the following commits:
156e20c [Tathagata Das] More fixes, based on PR comments.
e9a6c01 [Tathagata Das] Fixed docs related to kinesis
As [reported on the dev list](http://apache-spark-developers-list.1001551.n3.nabble.com/VOTE-Release-Apache-Spark-1-1-0-RC2-tp8107p8131.html):
* Code fencing with triple-backticks doesn’t seem to work like it does on GitHub. Newlines are lost. Instead, use 4-space indent to format small code blocks.
* Nested bullets need 2 leading spaces, not 1.
* Spellcheck!
Author: Nicholas Chammas <nicholas.chammas@gmail.com>
Author: nchammas <nicholas.chammas@gmail.com>
Closes#2201 from nchammas/sql-doc-fixes and squashes the following commits:
873f889 [Nicholas Chammas] [Docs] fix skip-api flag
5195e0c [Nicholas Chammas] [Docs] SQL doc formatting and typo fixes
3b26c8d [nchammas] [Spark QA] Link to console output on test time out
The executors and the driver may not share the same Spark home. There is currently one way to set the executor side Spark home in Mesos, through setting `spark.home`. However, this is neither documented nor intuitive. This PR adds a more specific config `spark.mesos.executor.home` and exposes this to the user.
liancheng tnachen
Author: Andrew Or <andrewor14@gmail.com>
Closes#2166 from andrewor14/mesos-spark-home and squashes the following commits:
b87965e [Andrew Or] Merge branch 'master' of github.com:apache/spark into mesos-spark-home
f6abb2e [Andrew Or] Document spark.mesos.executor.home
ca7846d [Andrew Or] Add more specific configuration for executor Spark home in Mesos
The only updates are in DecisionTree.
CC: mengxr
Author: Joseph K. Bradley <joseph.kurata.bradley@gmail.com>
Closes#2146 from jkbradley/mllib-migration and squashes the following commits:
5a1f487 [Joseph K. Bradley] small edit to doc
411d6d9 [Joseph K. Bradley] Added migration guide for v1.0 to v1.1. The only updates are in DecisionTree.
1. renamed mllib-basics to mllib-data-types
1. renamed mllib-stats to mllib-statistics
1. moved random data generation to the bottom of mllib-stats
1. updated toc accordingly
atalwalkar
Author: Xiangrui Meng <meng@databricks.com>
Closes#2151 from mengxr/mllib-doc-1.1 and squashes the following commits:
0bd79f3 [Xiangrui Meng] add mllib-data-types
b64a5d7 [Xiangrui Meng] update the content list of basis statistics in mllib-guide
f625cc2 [Xiangrui Meng] move mllib-basics to mllib-data-types
4d69250 [Xiangrui Meng] move random data generation to the bottom of statistics
e64f3ce [Xiangrui Meng] move mllib-stats.md to mllib-statistics.md
When using Mesos with the fine-grained mode, a Spark job can run into a dead lock on low allocatable memory on Mesos slaves. As a work-around 32 MB (= Mesos MIN_MEM) are allocated for each task, to ensure Mesos making new offers after task completion.
From my perspective, it would be better to fix this problem in Mesos by dropping the constraint on memory for offers, but as temporary solution this patch helps to avoid the dead lock on current Mesos versions.
See [[MESOS-1688] No offers if no memory is allocatable](https://issues.apache.org/jira/browse/MESOS-1688) for details for this problem.
Author: Martin Weindel <martin.weindel@gmail.com>
Closes#1860 from MartinWeindel/master and squashes the following commits:
5762030 [Martin Weindel] reverting work-around
a6bf837 [Martin Weindel] added known issue for issue MESOS-1688
d9d2ca6 [Martin Weindel] work around for problem with Mesos offering semantic (see [https://issues.apache.org/jira/browse/MESOS-1688])
Documentation updated for the Statistics Toolkit of MLlib. mengxr atalwalkar
https://issues.apache.org/jira/browse/SPARK-2839
P.S. Accidentally closed#2123. New commits didn't show up after I reopened the PR. I've opened this instead and closed the old one.
Author: Burak <brkyvz@gmail.com>
Closes#2130 from brkyvz/StatsLib-Docs and squashes the following commits:
a54a855 [Burak] [SPARK-2839][MLlib] Addressed comments
bfc6896 [Burak] [SPARK-2839][MLlib] Added a more specific link to colStats() for pyspark
213fe3f [Burak] [SPARK-2839][MLlib] Modifications made according to review
fec4d9d [Burak] [SPARK-2830][MLlib] Stats Toolkit documentation updated
to mention `-Pnetlib-lgpl` option. atalwalkar
Author: Xiangrui Meng <meng@databricks.com>
Closes#2128 from mengxr/mllib-native and squashes the following commits:
4cbba57 [Xiangrui Meng] update mllib dependencies
It should be `spark-env.sh` rather than `spark.env.sh`.
Author: Cheng Lian <lian.cs.zju@gmail.com>
Closes#2119 from liancheng/fix-mesos-doc and squashes the following commits:
f360548 [Cheng Lian] Fixed a typo in docs/running-on-mesos.md
Update the documentation to reflect the fact we can handle roughly square matrices.
Author: Reza Zadeh <rizlar@gmail.com>
Closes#2070 from rezazadeh/svddocs and squashes the following commits:
826b8fe [Reza Zadeh] left singular vectors
3f34fc6 [Reza Zadeh] PCA is still TS
7ffa2aa [Reza Zadeh] better title
aeaf39d [Reza Zadeh] More docs
788ed13 [Reza Zadeh] add computational cost explanation
6429c59 [Reza Zadeh] Add link to rowmatrix docs
1eeab8b [Reza Zadeh] Update SVD documentation to reflect roughly square
Documentation for newly added feature transformations:
1. TF-IDF
2. StandardScaler
3. Normalizer
Author: DB Tsai <dbtsai@alpinenow.com>
Closes#2068 from dbtsai/transformer-documentation and squashes the following commits:
109f324 [DB Tsai] address feedback
The most important things I mentioned in #1885 is as follows.
* People who build Spark is not always programmer.
* If a person who build Spark is not a programmer, he/she won't read programmer's guide before building.
So, how to build for using CLI and JDBC server is not only in programmer's guide.
Author: Kousuke Saruta <sarutak@oss.nttdata.co.jp>
Closes#2080 from sarutak/SPARK-2963 and squashes the following commits:
ee07c76 [Kousuke Saruta] Modified regression of the description about building for using Thrift JDBC server and CLI
ed53329 [Kousuke Saruta] Modified description and notaton of proper noun
07c59fc [Kousuke Saruta] Added a description about how to build to use HiveServer and CLI for SparkSQL to building-with-maven.md
6e6645a [Kousuke Saruta] Merge branch 'master' of git://git.apache.org/spark into SPARK-2963
c88fa93 [Kousuke Saruta] Added a description about building to use HiveServer and CLI for SparkSQL
Updated DecisionTree documentation, with examples for Java, Python.
Added same Java example to code as well.
CC: @mengxr @manishamde @atalwalkar
Author: Joseph K. Bradley <joseph.kurata.bradley@gmail.com>
Closes#2063 from jkbradley/dt-docs and squashes the following commits:
2dd2c19 [Joseph K. Bradley] Last updates based on github review.
9dd1b6b [Joseph K. Bradley] Updated decision tree doc.
d802369 [Joseph K. Bradley] Updates based on comments: cache data, corrected doc text.
b9bee04 [Joseph K. Bradley] Updated DT examples
57eee9f [Joseph K. Bradley] Created JavaDecisionTree example from example in docs, and corrected doc example as needed.
d939a92 [Joseph K. Bradley] Updated DecisionTree documentation. Added Java, Python examples.
atalwalkar srowen
Author: Xiangrui Meng <meng@databricks.com>
Closes#2064 from mengxr/als-doc and squashes the following commits:
b2e20ab [Xiangrui Meng] introduced -> discussed
98abdd7 [Xiangrui Meng] add reference
339bd08 [Xiangrui Meng] add a section about regularization parameter in ALS
Moved TF-IDF before Word2Vec because the former is more basic. I also added a link for Word2Vec. atalwalkar
Author: Xiangrui Meng <meng@databricks.com>
Closes#2061 from mengxr/tfidf-doc and squashes the following commits:
ca04c70 [Xiangrui Meng] address comments
a5ea4b4 [Xiangrui Meng] add tf-idf user guide
Currently we have a separate profile called hive-thriftserver. I originally suggested this in case users did not want to bundle the thriftserver, but it's ultimately lead to a lot of confusion. Since the thriftserver is only a few classes, I don't see a really good reason to isolate it from the rest of Hive. So let's go ahead and just include it in the same profile to simplify things.
This has been suggested in the past by liancheng.
Author: Patrick Wendell <pwendell@gmail.com>
Closes#2006 from pwendell/hiveserver and squashes the following commits:
742ea40 [Patrick Wendell] Merge remote-tracking branch 'apache/master' into hiveserver
034ad47 [Patrick Wendell] SPARK-3092: Always include the thriftserver when -Phive is enabled.
Author: Ken Takagiwa <ugw.gi.world@gmail.com>
Closes#2042 from giwa/patch-1 and squashes the following commits:
216fe0e [Ken Takagiwa] Fixed wrong links
because NB treats feature values as term frequencies. jkbradley
Author: Xiangrui Meng <meng@databricks.com>
Closes#2038 from mengxr/nb-neg and squashes the following commits:
52c37c3 [Xiangrui Meng] address comments
65f892d [Xiangrui Meng] detect negative values in nb
Added a documentation section on StreamingLR to the ``MLlib - Linear Methods``, including a worked example.
mengxr tdas
Author: freeman <the.freeman.lab@gmail.com>
Closes#2047 from freeman-lab/streaming-lr-docs and squashes the following commits:
568d250 [freeman] Tweaks to wording / formatting
05a1139 [freeman] Added documentation and example for StreamingLR
Though we don't use default argument for methods in RandomRDDs, it is still not easy for Java users to use because the output type is either `RDD[Double]` or `RDD[Vector]`. Java users should expect `JavaDoubleRDD` and `JavaRDD[Vector]`, respectively. We should create dedicated methods for Java users, and allow default arguments in Scala methods in RandomRDDs, to make life easier for both Java and Scala users. This PR also contains documentation for random data generation. brkyvz
Author: Xiangrui Meng <meng@databricks.com>
Closes#2041 from mengxr/stat-doc and squashes the following commits:
fc5eedf [Xiangrui Meng] add missing comma
ffde810 [Xiangrui Meng] address comments
aef6d07 [Xiangrui Meng] add doc for random data generation
b99d94b [Xiangrui Meng] add java-friendly methods to RandomRDDs
- Uses the name tag to identify machines in a cluster.
- Allows overriding the security group name so it doesn't need to coincide with the cluster name.
- Outputs the request id's of up to 10 pending spot instance requests.
Author: Vida Ha <vida@databricks.com>
Closes#1899 from vidaha/vida/ec2-reuse-security-group and squashes the following commits:
c80d5c3 [Vida Ha] wrap retries in a try catch block
b2989d5 [Vida Ha] SPARK-2333: spark_ec2 script should allow option for existing security group
Candidate splits were inconsistent with the example.
Author: Matt Forbes <matt@tellapart.com>
Closes#1837 from emef/tree-doc and squashes the following commits:
3be14a1 [Matt Forbes] Fix typo in decision tree docs
This definitely needs review as I am not familiar with this part of Spark.
I tested this locally and it did seem to work.
Author: Patrick Wendell <pwendell@gmail.com>
Closes#1937 from pwendell/scheduler and squashes the following commits:
b858e33 [Patrick Wendell] SPARK-3025: Allow JDBC clients to set a fair scheduler pool
