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Posted to reviews@spark.apache.org by liancheng <gi...@git.apache.org> on 2014/10/20 19:27:41 UTC
[GitHub] spark pull request: [SPARK-3537][SQL] Refines in-memory columnar t...
GitHub user liancheng opened a pull request:
https://github.com/apache/spark/pull/2860
[SPARK-3537][SQL] Refines in-memory columnar table statistics
This PR refines in-memory columnar table statistics:
1. adds 3 more statistics for in-memory table columns: `count`, `nullCount` and `sizeInBytes`, and filter pushdown support for `IS NULL` and `IS NOT NULL`.
1. caches and propagates statistics in `InMemoryRelation` once the underlying cached RDD is materialized.
Statistics are collected to driver side with an accumulator.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/liancheng/spark propagates-in-mem-stats
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2860.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2860
----
commit 7dc6a34166ad915e07438795ce6b6ea67b3fdee6
Author: Cheng Lian <li...@databricks.com>
Date: 2014-10-20T17:13:59Z
Adds more in-memory table statistics and propagates them properly
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[GitHub] spark pull request: [SPARK-3537][SQL] Refines in-memory columnar t...
Posted by liancheng <gi...@git.apache.org>.
Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/2860#discussion_r19099520
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/columnar/ColumnStats.scala ---
@@ -24,11 +24,13 @@ import org.apache.spark.sql.catalyst.expressions.{AttributeMap, Attribute, Attri
import org.apache.spark.sql.catalyst.types._
private[sql] class ColumnStatisticsSchema(a: Attribute) extends Serializable {
- val upperBound = AttributeReference(a.name + ".upperBound", a.dataType, nullable = false)()
- val lowerBound = AttributeReference(a.name + ".lowerBound", a.dataType, nullable = false)()
- val nullCount = AttributeReference(a.name + ".nullCount", IntegerType, nullable = false)()
+ val upperBound = AttributeReference(a.name + ".upperBound", a.dataType, nullable = true)()
+ val lowerBound = AttributeReference(a.name + ".lowerBound", a.dataType, nullable = true)()
--- End diff --
Upper/lower bound can be null for types like string.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59937620
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Posted by AmplabJenkins <gi...@git.apache.org>.
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https://github.com/apache/spark/pull/2860#issuecomment-59903991
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[GitHub] spark pull request: [SPARK-3537][SQL] Refines in-memory columnar t...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59806948
[QA tests have started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/21923/consoleFull) for PR 2860 at commit [`7dc6a34`](https://github.com/apache/spark/commit/7dc6a34166ad915e07438795ce6b6ea67b3fdee6).
* This patch merges cleanly.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59916317
[QA tests have started](https://amplab.cs.berkeley.edu/jenkins/job/NewSparkPullRequestBuilder/410/consoleFull) for PR 2860 at commit [`c5ff904`](https://github.com/apache/spark/commit/c5ff904efaa95348d9771d8bfa0e80978f5e2a79).
* This patch merges cleanly.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59900019
[QA tests have started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/21981/consoleFull) for PR 2860 at commit [`c5ff904`](https://github.com/apache/spark/commit/c5ff904efaa95348d9771d8bfa0e80978f5e2a79).
* This patch merges cleanly.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59903980
[QA tests have finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/21981/consoleFull) for PR 2860 at commit [`c5ff904`](https://github.com/apache/spark/commit/c5ff904efaa95348d9771d8bfa0e80978f5e2a79).
* This patch **fails Spark unit tests**.
* This patch merges cleanly.
* This patch adds the following public classes _(experimental)_:
* `case class Statistics(sizeInBytes: BigInt)`
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/2860
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-60048900
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59896106
[QA tests have started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/21979/consoleFull) for PR 2860 at commit [`a8c818d`](https://github.com/apache/spark/commit/a8c818df4314a2a6a82b4272e9b49b28afa60507).
* This patch merges cleanly.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by liancheng <gi...@git.apache.org>.
Github user liancheng commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59920178
The compilation error seems to be due to JDK upgrade on Jenkins. Will try later.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59928393
[QA tests have started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/21991/consoleFull) for PR 2860 at commit [`c5ff904`](https://github.com/apache/spark/commit/c5ff904efaa95348d9771d8bfa0e80978f5e2a79).
* This patch merges cleanly.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59937610
[QA tests have finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/21991/consoleFull) for PR 2860 at commit [`c5ff904`](https://github.com/apache/spark/commit/c5ff904efaa95348d9771d8bfa0e80978f5e2a79).
* This patch **passes all tests**.
* This patch merges cleanly.
* This patch adds the following public classes _(experimental)_:
* `case class Statistics(sizeInBytes: BigInt)`
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59808213
[QA tests have finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/21923/consoleFull) for PR 2860 at commit [`7dc6a34`](https://github.com/apache/spark/commit/7dc6a34166ad915e07438795ce6b6ea67b3fdee6).
* This patch **fails Spark unit tests**.
* This patch merges cleanly.
* This patch adds the following public classes _(experimental)_:
* `case class Statistics(sizeInBytes: BigInt)`
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by liancheng <gi...@git.apache.org>.
Github user liancheng commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59927554
retest this please
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by liancheng <gi...@git.apache.org>.
Github user liancheng commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-60051402
@marmbrus This is ready to go.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-60048895
[QA tests have finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/22027/consoleFull) for PR 2860 at commit [`0cc5271`](https://github.com/apache/spark/commit/0cc5271f7c74738efdd378ee8cc9af8f334ac680).
* This patch **passes all tests**.
* This patch merges cleanly.
* This patch adds no public classes.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59916667
[QA tests have finished](https://amplab.cs.berkeley.edu/jenkins/job/NewSparkPullRequestBuilder/410/consoleFull) for PR 2860 at commit [`c5ff904`](https://github.com/apache/spark/commit/c5ff904efaa95348d9771d8bfa0e80978f5e2a79).
* This patch **fails to build**.
* This patch merges cleanly.
* This patch adds the following public classes _(experimental)_:
* `case class Statistics(sizeInBytes: BigInt)`
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59808219
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Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:
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[GitHub] spark pull request: [SPARK-3537][SQL] Refines in-memory columnar t...
Posted by liancheng <gi...@git.apache.org>.
Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/2860#discussion_r19099771
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/columnar/ColumnStats.scala ---
@@ -185,15 +196,16 @@ private[sql] class StringColumnStats extends ColumnStats {
} else {
nullCount += 1
}
+ count += 1
+ sizeInBytes += STRING.actualSize(row, ordinal)
--- End diff --
This can potentially slow down caching process of string columns, because the `.getBytes("utf-8")` call within `actualSize` traverses the whole string.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-60044460
[QA tests have started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/22027/consoleFull) for PR 2860 at commit [`0cc5271`](https://github.com/apache/spark/commit/0cc5271f7c74738efdd378ee8cc9af8f334ac680).
* This patch merges cleanly.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by liancheng <gi...@git.apache.org>.
Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/2860#discussion_r19100009
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/PlannerSuite.scala ---
@@ -76,4 +76,24 @@ class PlannerSuite extends FunSuite {
setConf(SQLConf.AUTO_BROADCASTJOIN_THRESHOLD, origThreshold.toString)
}
+
+ test("InMemoryRelation statistics propagation") {
--- End diff --
Test case for SPARK-3914.
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[GitHub] spark pull request: [SPARK-3537][SPARK-3914][SQL] Refines in-memor...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/2860#issuecomment-59897021
[QA tests have finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/21979/consoleFull) for PR 2860 at commit [`a8c818d`](https://github.com/apache/spark/commit/a8c818df4314a2a6a82b4272e9b49b28afa60507).
* This patch **fails Spark unit tests**.
* This patch merges cleanly.
* This patch adds the following public classes _(experimental)_:
* `case class Statistics(sizeInBytes: BigInt)`
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