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spark-instrumented-optimizer/sql/core/benchmarks/ParquetNestedSchemaPruningBenchmark-results.txt

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[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
================================================================================================
Nested Schema Pruning Benchmark For Parquet
================================================================================================
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Selection: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 128 166 24 7.8 128.0 1.0X
Nested column 308 325 10 3.2 308.3 0.4X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Limiting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 447 496 91 2.2 447.0 1.0X
Nested column 631 666 40 1.6 631.2 0.7X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Repartitioning: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 360 394 84 2.8 360.0 1.0X
Nested column 553 586 65 1.8 553.5 0.7X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Repartitioning by exprs: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 368 393 50 2.7 368.3 1.0X
Nested column 2942 3017 82 0.3 2942.0 0.1X
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Sample: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
Top-level column 124 143 10 8.1 124.1 1.0X
Nested column 345 366 34 2.9 344.8 0.4X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
[SPARK-27034][SPARK-27123][SQL][FOLLOWUP] Update Nested Schema Pruning BM result with EC2 ## What changes were proposed in this pull request? This is a follow up PR for #23943 in order to update the benchmark result with EC2 `r3.xlarge` instance. ## How was this patch tested? N/A. (Manually compare the diff) Closes #24078 from dongjoon-hyun/SPARK-27034. Authored-by: Dongjoon Hyun <dhyun@apple.com> Signed-off-by: DB Tsai <d_tsai@apple.com>
2019-03-13 16:27:10 -04:00
OpenJDK 64-Bit Server VM 1.8.0_201-b09 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
Sorting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
[SPARK-26975][SQL] Support nested-column pruning over limit/sample/repartition ## What changes were proposed in this pull request? As [SPARK-26958](https://github.com/apache/spark/pull/23862/files) benchmark shows, nested-column pruning has limitations. This PR aims to remove the limitations on `limit/repartition/sample`. Here, repartition means `Repartition`, not `RepartitionByExpression`. **PREPARATION** ```scala scala> spark.range(100).map(x => (x, (x, s"$x" * 100))).toDF("col1", "col2").write.mode("overwrite").save("/tmp/p") scala> sql("set spark.sql.optimizer.nestedSchemaPruning.enabled=true") scala> spark.read.parquet("/tmp/p").createOrReplaceTempView("t") ``` **BEFORE** ```scala scala> sql("SELECT col2._1 FROM (SELECT col2 FROM t LIMIT 1000000)").explain == Physical Plan == CollectLimit 1000000 +- *(1) Project [col2#22._1 AS _1#28L] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == *(2) Project [col2#22._1 AS _1#33L] +- Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#22] +- *(1) FileScan parquet [col2#22] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint,_2:string>> ``` **AFTER** ```scala scala> sql("SELECT col2._1 FROM (SELECT /*+ REPARTITION(1) */ col2 FROM t)").explain == Physical Plan == Exchange RoundRobinPartitioning(1) +- *(1) Project [col2#5._1 AS _1#11L] +- *(1) FileScan parquet [col2#5] Batched: false, DataFilters: [], Format: Parquet, Location: InMemoryFileIndex[file:/tmp/p], PartitionFilters: [], PushedFilters: [], ReadSchema: struct<col2:struct<_1:bigint>> ``` This supercedes https://github.com/apache/spark/pull/23542 and https://github.com/apache/spark/pull/23873 . ## How was this patch tested? Pass the Jenkins with a newly added test suite. Closes #23964 from dongjoon-hyun/SPARK-26975-ALIAS. Lead-authored-by: Dongjoon Hyun <dhyun@apple.com> Co-authored-by: DB Tsai <d_tsai@apple.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Takeshi Yamamuro <yamamuro@apache.org> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-19 23:24:22 -04:00
Top-level column 577 618 55 1.7 576.8 1.0X
Nested column 3473 3524 49 0.3 3473.0 0.2X
[SPARK-27043][SQL] Add ORC nested schema pruning benchmarks ## What changes were proposed in this pull request? We have benchmark of nested schema pruning, but only for Parquet. This adds similar benchmark for ORC. This is used with nested schema pruning of ORC. ## How was this patch tested? Added test. Closes #23955 from viirya/orc-nested-schema-pruning-benchmark. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-03-05 14:12:57 -05:00
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