[SPARK-18119][SPARK-CORE] Namenode safemode check is only performed on one namenode which can stuck the startup of SparkHistory server#8
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ashangit merged 1 commit intocriteo-forks:criteo-1.6from Nov 24, 2016
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…n one namenode which can stuck the startup of SparkHistory server This commit is contributed by Criteo SA under the Apache v2 licence.
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Here is the pull request for apache master branch: apache#15648 |
AnthonyTruchet
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Nov 21, 2016
Willymontaz
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Apr 2, 2019
## What changes were proposed in this pull request?
This PR aims to optimize GroupExpressions by removing repeating expressions. `RemoveRepetitionFromGroupExpressions` is added.
**Before**
```scala
scala> sql("select a+1 from values 1,2 T(a) group by a+1, 1+a, A+1, 1+A").explain()
== Physical Plan ==
WholeStageCodegen
: +- TungstenAggregate(key=[(a#0 + 1)criteo-forks#6,(1 + a#0)criteo-forks#7,(A#0 + 1)criteo-forks#8,(1 + A#0)criteo-forks#9], functions=[], output=[(a + 1)criteo-forks#5])
: +- INPUT
+- Exchange hashpartitioning((a#0 + 1)criteo-forks#6, (1 + a#0)criteo-forks#7, (A#0 + 1)criteo-forks#8, (1 + A#0)criteo-forks#9, 200), None
+- WholeStageCodegen
: +- TungstenAggregate(key=[(a#0 + 1) AS (a#0 + 1)criteo-forks#6,(1 + a#0) AS (1 + a#0)criteo-forks#7,(A#0 + 1) AS (A#0 + 1)criteo-forks#8,(1 + A#0) AS (1 + A#0)criteo-forks#9], functions=[], output=[(a#0 + 1)criteo-forks#6,(1 + a#0)criteo-forks#7,(A#0 + 1)criteo-forks#8,(1 + A#0)criteo-forks#9])
: +- INPUT
+- LocalTableScan [a#0], [[1],[2]]
```
**After**
```scala
scala> sql("select a+1 from values 1,2 T(a) group by a+1, 1+a, A+1, 1+A").explain()
== Physical Plan ==
WholeStageCodegen
: +- TungstenAggregate(key=[(a#0 + 1)criteo-forks#6], functions=[], output=[(a + 1)criteo-forks#5])
: +- INPUT
+- Exchange hashpartitioning((a#0 + 1)criteo-forks#6, 200), None
+- WholeStageCodegen
: +- TungstenAggregate(key=[(a#0 + 1) AS (a#0 + 1)criteo-forks#6], functions=[], output=[(a#0 + 1)criteo-forks#6])
: +- INPUT
+- LocalTableScan [a#0], [[1],[2]]
```
## How was this patch tested?
Pass the Jenkins tests (with a new testcase)
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes apache#12590 from dongjoon-hyun/SPARK-14830.
(cherry picked from commit 6e63201)
Signed-off-by: Michael Armbrust <michael@databricks.com>
jetoile
pushed a commit
that referenced
this pull request
Oct 18, 2024
…plan properly ### What changes were proposed in this pull request? Make `ResolveRelations` handle plan id properly cherry-pick bugfix apache#45214 to 3.5 ### Why are the changes needed? bug fix for Spark Connect, it won't affect classic Spark SQL before this PR: ``` from pyspark.sql import functions as sf spark.range(10).withColumn("value_1", sf.lit(1)).write.saveAsTable("test_table_1") spark.range(10).withColumnRenamed("id", "index").withColumn("value_2", sf.lit(2)).write.saveAsTable("test_table_2") df1 = spark.read.table("test_table_1") df2 = spark.read.table("test_table_2") df3 = spark.read.table("test_table_1") join1 = df1.join(df2, on=df1.id==df2.index).select(df2.index, df2.value_2) join2 = df3.join(join1, how="left", on=join1.index==df3.id) join2.schema ``` fails with ``` AnalysisException: [CANNOT_RESOLVE_DATAFRAME_COLUMN] Cannot resolve dataframe column "id". It's probably because of illegal references like `df1.select(df2.col("a"))`. SQLSTATE: 42704 ``` That is due to existing plan caching in `ResolveRelations` doesn't work with Spark Connect ``` === Applying Rule org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveRelations === '[#12]Join LeftOuter, '`==`('index, 'id) '[#12]Join LeftOuter, '`==`('index, 'id) !:- '[#9]UnresolvedRelation [test_table_1], [], false :- '[#9]SubqueryAlias spark_catalog.default.test_table_1 !+- '[#11]Project ['index, 'value_2] : +- 'UnresolvedCatalogRelation `spark_catalog`.`default`.`test_table_1`, [], false ! +- '[#10]Join Inner, '`==`('id, 'index) +- '[#11]Project ['index, 'value_2] ! :- '[#7]UnresolvedRelation [test_table_1], [], false +- '[#10]Join Inner, '`==`('id, 'index) ! +- '[#8]UnresolvedRelation [test_table_2], [], false :- '[#9]SubqueryAlias spark_catalog.default.test_table_1 ! : +- 'UnresolvedCatalogRelation `spark_catalog`.`default`.`test_table_1`, [], false ! +- '[#8]SubqueryAlias spark_catalog.default.test_table_2 ! +- 'UnresolvedCatalogRelation `spark_catalog`.`default`.`test_table_2`, [], false Can not resolve 'id with plan 7 ``` `[#7]UnresolvedRelation [test_table_1], [], false` was wrongly resolved to the cached one ``` :- '[#9]SubqueryAlias spark_catalog.default.test_table_1 +- 'UnresolvedCatalogRelation `spark_catalog`.`default`.`test_table_1`, [], false ``` ### Does this PR introduce _any_ user-facing change? yes, bug fix ### How was this patch tested? added ut ### Was this patch authored or co-authored using generative AI tooling? ci Closes apache#46291 from zhengruifeng/connect_fix_read_join_35. Authored-by: Ruifeng Zheng <ruifengz@apache.org> Signed-off-by: Ruifeng Zheng <ruifengz@apache.org>
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What changes were proposed in this pull request?
Instead of using the setSafeMode method that check the first namenode used the one which permitts to check only for active NNs
How was this patch tested?
manual tests
(If this patch involves UI changes, please attach a screenshot; otherwise, remove this)
This commit is contributed by Criteo SA under the Apache v2 licence.