[GitHub] [spark] AmplabJenkins removed a comment on issue #27561: [SPARK-30810][SQL] Parses and convert a CSV Dataset having different column from 'value' in csv(dataset) API

2020-02-13 Thread GitBox
AmplabJenkins removed a comment on issue #27561: [SPARK-30810][SQL] Parses and 
convert a CSV Dataset having different column from 'value' in csv(dataset) API
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URL: https://github.com/apache/spark/pull/27561#issuecomment-586072585
 
 
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[GitHub] [spark] AmplabJenkins commented on issue #27561: [SPARK-30810][SQL] Parses and convert a CSV Dataset having different column from 'value' in csv(dataset) API

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URL: https://github.com/apache/spark/pull/27561#issuecomment-586072578
 
 
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[GitHub] [spark] cloud-fan commented on issue #24902: [SPARK-28093][SQL] Fix TRIM/LTRIM/RTRIM function parameter order issue

2020-02-13 Thread GitBox
cloud-fan commented on issue #24902: [SPARK-28093][SQL] Fix TRIM/LTRIM/RTRIM 
function parameter order issue
URL: https://github.com/apache/spark/pull/24902#issuecomment-586072349
 
 
   Thanks @marmbrus for pointing out that this is already discussed officially 
on the mailing list. I'm trying to build a clear document about how to deal 
with behavior changes and make it more smooth for users to upgrade. But this 
may take a while as I need to collect many examples.
   
   @dongjoon-hyun shall we move forward to revert this kind of cosmetic changes 
from 3.0 first? I don't want to block 3.0 until I finish the document.


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[GitHub] [spark] SparkQA commented on issue #27561: [SPARK-30810][SQL] Parses and convert a CSV Dataset having different column from 'value' in csv(dataset) API

2020-02-13 Thread GitBox
SparkQA commented on issue #27561: [SPARK-30810][SQL] Parses and convert a CSV 
Dataset having different column from 'value' in csv(dataset) API
URL: https://github.com/apache/spark/pull/27561#issuecomment-586071737
 
 
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[GitHub] [spark] liangz1 commented on a change in pull request #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

2020-02-13 Thread GitBox
liangz1 commented on a change in pull request #27565: [SPARK-30791] Dataframe 
add sameSemantics and sementicHash method
URL: https://github.com/apache/spark/pull/27565#discussion_r379226694
 
 

 ##
 File path: python/pyspark/sql/dataframe.py
 ##
 @@ -2153,6 +2153,22 @@ def transform(self, func):
   "should have been DataFrame." % 
type(result)
 return result
 
+@since(3.0)
+def sameSemantics(self, other):
+"""
+Return true when the query plan of the given :class:`DataFrame` will 
return the same
+results as this :class:`DataFrame`.
+"""
+return self._jdf.sameSemantics(other)
 
 Review comment:
   It becomes the same error as the second one:
   ```
   Traceback (most recent call last):
 File "", line 1, in 
 File 
"/Users/liang.zhang/work/repos/apache/spark/python/pyspark/sql/dataframe.py", 
line 2162, in sameSemantics
   return self._jdf.sameSemantics(other._jdf)
 File 
"/Users/liang.zhang/mypy3/lib/python3.7/site-packages/py4j/java_gateway.py", 
line 1257, in __call__
   answer, self.gateway_client, self.target_id, self.name)
 File 
"/Users/liang.zhang/work/repos/apache/spark/python/pyspark/sql/utils.py", line 
98, in deco
   return f(*a, **kw)
 File 
"/Users/liang.zhang/mypy3/lib/python3.7/site-packages/py4j/protocol.py", line 
332, in get_return_value
   format(target_id, ".", name, value))
   py4j.protocol.Py4JError: An error occurred while calling o42.sameSemantics. 
Trace:
   py4j.Py4JException: Method sameSemantics([class 
org.apache.spark.sql.Dataset]) does not exist
at py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:318)
at py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:326)
at py4j.Gateway.invoke(Gateway.java:274)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:238)
at java.lang.Thread.run(Thread.java:748)
   ```


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[GitHub] [spark] liangz1 commented on a change in pull request #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

2020-02-13 Thread GitBox
liangz1 commented on a change in pull request #27565: [SPARK-30791] Dataframe 
add sameSemantics and sementicHash method
URL: https://github.com/apache/spark/pull/27565#discussion_r379226303
 
 

 ##
 File path: python/pyspark/sql/dataframe.py
 ##
 @@ -2153,6 +2153,22 @@ def transform(self, func):
   "should have been DataFrame." % 
type(result)
 return result
 
+@since(3.0)
+def sameSemantics(self, other):
+"""
+Return true when the query plan of the given :class:`DataFrame` will 
return the same
+results as this :class:`DataFrame`.
+"""
+return self._jdf.sameSemantics(other)
+
+@since(3.0)
+def semanticHash(self):
+"""
+
+:return:
+"""
+return self._jdf.semanticHash(None)
 
 Review comment:
   It shows the same error...


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[GitHub] [spark] WeichenXu123 edited a comment on issue #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

2020-02-13 Thread GitBox
WeichenXu123 edited a comment on issue #27565: [SPARK-30791] Dataframe add 
sameSemantics and sementicHash method
URL: https://github.com/apache/spark/pull/27565#issuecomment-586069714
 
 
   @cloud-fan @HyukjinKwon  Any comments ?


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[GitHub] [spark] HyukjinKwon commented on a change in pull request #27561: [SPARK-30810][SQL] Parses and convert a CSV Dataset having different column from 'value' in csv(dataset) API

2020-02-13 Thread GitBox
HyukjinKwon commented on a change in pull request #27561: [SPARK-30810][SQL] 
Parses and convert a CSV Dataset having different column from 'value' in 
csv(dataset) API
URL: https://github.com/apache/spark/pull/27561#discussion_r379225857
 
 

 ##
 File path: 
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/CSVUtils.scala
 ##
 @@ -33,11 +33,12 @@ object CSVUtils {
 // with the one below, `filterCommentAndEmpty` but execution path is 
different. One of them
 // might have to be removed in the near future if possible.
 import lines.sqlContext.implicits._
-val nonEmptyLines = lines.filter(length(trim($"value")) > 0)
 
 Review comment:
   @MaxGekk and @cloud-fan, I came up with a better idea to avoid relying on 
string format in `col`. Can you take a look again? I think this way is safer.


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[GitHub] [spark] WeichenXu123 commented on issue #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

2020-02-13 Thread GitBox
WeichenXu123 commented on issue #27565: [SPARK-30791] Dataframe add 
sameSemantics and sementicHash method
URL: https://github.com/apache/spark/pull/27565#issuecomment-586069714
 
 
   @cloud-fan Any comments ?


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[GitHub] [spark] AmplabJenkins removed a comment on issue #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

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AmplabJenkins removed a comment on issue #27565: [SPARK-30791] Dataframe add 
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[GitHub] [spark] AmplabJenkins removed a comment on issue #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

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[GitHub] [spark] AmplabJenkins commented on issue #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

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URL: https://github.com/apache/spark/pull/27565#issuecomment-586069483
 
 
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[GitHub] [spark] WeichenXu123 commented on a change in pull request #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

2020-02-13 Thread GitBox
WeichenXu123 commented on a change in pull request #27565: [SPARK-30791] 
Dataframe add sameSemantics and sementicHash method
URL: https://github.com/apache/spark/pull/27565#discussion_r379225187
 
 

 ##
 File path: python/pyspark/sql/dataframe.py
 ##
 @@ -2153,6 +2153,22 @@ def transform(self, func):
   "should have been DataFrame." % 
type(result)
 return result
 
+@since(3.0)
+def sameSemantics(self, other):
+"""
+Return true when the query plan of the given :class:`DataFrame` will 
return the same
+results as this :class:`DataFrame`.
+"""
+return self._jdf.sameSemantics(other)
+
+@since(3.0)
+def semanticHash(self):
+"""
+
+:return:
+"""
+return self._jdf.semanticHash(None)
 
 Review comment:
   should be `self._jdf.semanticHash()`


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[GitHub] [spark] WeichenXu123 commented on a change in pull request #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

2020-02-13 Thread GitBox
WeichenXu123 commented on a change in pull request #27565: [SPARK-30791] 
Dataframe add sameSemantics and sementicHash method
URL: https://github.com/apache/spark/pull/27565#discussion_r379225118
 
 

 ##
 File path: python/pyspark/sql/dataframe.py
 ##
 @@ -2153,6 +2153,22 @@ def transform(self, func):
   "should have been DataFrame." % 
type(result)
 return result
 
+@since(3.0)
+def sameSemantics(self, other):
+"""
+Return true when the query plan of the given :class:`DataFrame` will 
return the same
+results as this :class:`DataFrame`.
+"""
+return self._jdf.sameSemantics(other)
 
 Review comment:
   should be `self._jdf.sameSemantics(other._jdf)`


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[GitHub] [spark] SparkQA commented on issue #27565: [SPARK-30791] Dataframe add sameSemantics and sementicHash method

2020-02-13 Thread GitBox
SparkQA commented on issue #27565: [SPARK-30791] Dataframe add sameSemantics 
and sementicHash method
URL: https://github.com/apache/spark/pull/27565#issuecomment-586068918
 
 
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[GitHub] [spark] AmplabJenkins commented on issue #26440: [SPARK-20628][CORE][K8S] Start to improve Spark decommissioning & preemption support

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[GitHub] [spark] SparkQA removed a comment on issue #26440: [SPARK-20628][CORE][K8S] Start to improve Spark decommissioning & preemption support

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improve Spark decommissioning & preemption support
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[GitHub] [spark] SparkQA commented on issue #26440: [SPARK-20628][CORE][K8S] Start to improve Spark decommissioning & preemption support

2020-02-13 Thread GitBox
SparkQA commented on issue #26440: [SPARK-20628][CORE][K8S] Start to improve 
Spark decommissioning & preemption support
URL: https://github.com/apache/spark/pull/26440#issuecomment-586062402
 
 
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* This patch passes all tests.
* This patch merges cleanly.
* This patch adds no public classes.


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[GitHub] [spark] HeartSaVioR commented on issue #27002: [SPARK-30346][CORE]Improve logging when events dropped

2020-02-13 Thread GitBox
HeartSaVioR commented on issue #27002: [SPARK-30346][CORE]Improve logging when 
events dropped
URL: https://github.com/apache/spark/pull/27002#issuecomment-586061828
 
 
   @liupc Any update here?


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[GitHub] [spark] HyukjinKwon commented on issue #27553: [PYSPARK][DOCS] [MINOR]Changed `:func:` to `:attr:` Sphinx roles, fixed links in documentation of `Data{Frame, Stream}{Reader, Writer}`.

2020-02-13 Thread GitBox
HyukjinKwon commented on issue #27553: [PYSPARK][DOCS] [MINOR]Changed `:func:` 
to `:attr:` Sphinx roles, fixed links in documentation of 
`Data{Frame,Stream}{Reader,Writer}`.
URL: https://github.com/apache/spark/pull/27553#issuecomment-586061374
 
 
   Merged to master, branch-3.0 and branch-2.4.
   
   Thanks, @DavidToneian for the contribution.


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[GitHub] [spark] HyukjinKwon closed pull request #27553: [PYSPARK][DOCS] [MINOR]Changed `:func:` to `:attr:` Sphinx roles, fixed links in documentation of `Data{Frame, Stream}{Reader, Writer}`.

2020-02-13 Thread GitBox
HyukjinKwon closed pull request #27553: [PYSPARK][DOCS] [MINOR]Changed `:func:` 
to `:attr:` Sphinx roles, fixed links in documentation of 
`Data{Frame,Stream}{Reader,Writer}`.
URL: https://github.com/apache/spark/pull/27553
 
 
   


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[GitHub] [spark] HyukjinKwon commented on a change in pull request #27553: [PYSPARK][DOCS] [MINOR]Changed `:func:` to `:attr:` Sphinx roles, fixed links in documentation of `Data{Frame, Stream}{Reader

2020-02-13 Thread GitBox
HyukjinKwon commented on a change in pull request #27553: [PYSPARK][DOCS] 
[MINOR]Changed `:func:` to `:attr:` Sphinx roles, fixed links in documentation 
of `Data{Frame,Stream}{Reader,Writer}`.
URL: https://github.com/apache/spark/pull/27553#discussion_r379217246
 
 

 ##
 File path: python/pyspark/sql/streaming.py
 ##
 @@ -276,9 +276,9 @@ def resetTerminated(self):
 
 class DataStreamReader(OptionUtils):
 """
-Interface used to load a streaming :class:`DataFrame` from external 
storage systems
-(e.g. file systems, key-value stores, etc). Use :func:`spark.readStream`
-to access this.
+Interface used to load a streaming :class:`DataFrame 
` from external
 
 Review comment:
   okie


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[GitHub] [spark] HyukjinKwon commented on a change in pull request #27553: [PYSPARK][DOCS] [MINOR]Changed `:func:` to `:attr:` Sphinx roles, fixed links in documentation of `Data{Frame, Stream}{Reader

2020-02-13 Thread GitBox
HyukjinKwon commented on a change in pull request #27553: [PYSPARK][DOCS] 
[MINOR]Changed `:func:` to `:attr:` Sphinx roles, fixed links in documentation 
of `Data{Frame,Stream}{Reader,Writer}`.
URL: https://github.com/apache/spark/pull/27553#discussion_r379217221
 
 

 ##
 File path: python/pyspark/sql/readwriter.py
 ##
 @@ -616,7 +616,7 @@ def jdbc(self, url, table, column=None, lowerBound=None, 
upperBound=None, numPar
 class DataFrameWriter(OptionUtils):
 """
 Interface used to write a :class:`DataFrame` to external storage systems
-(e.g. file systems, key-value stores, etc). Use :func:`DataFrame.write`
+(e.g. file systems, key-value stores, etc). Use :attr:`DataFrame.write`
 
 Review comment:
   Okay.


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[GitHub] [spark] AmplabJenkins removed a comment on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

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Revise boolean config name to comply with new config naming policy
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[GitHub] [spark] AmplabJenkins removed a comment on issue #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

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[GitHub] [spark] SparkQA removed a comment on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

2020-02-13 Thread GitBox
SparkQA removed a comment on issue #27563: [SPARK-30812][SQL][CORE] Revise 
boolean config name to comply with new config naming policy
URL: https://github.com/apache/spark/pull/27563#issuecomment-586056733
 
 
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[GitHub] [spark] AmplabJenkins removed a comment on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

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Revise boolean config name to comply with new config naming policy
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[GitHub] [spark] AmplabJenkins commented on issue #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
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URL: https://github.com/apache/spark/pull/27395#issuecomment-586060284
 
 
   Can one of the admins verify this patch?


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[GitHub] [spark] AmplabJenkins commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

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URL: https://github.com/apache/spark/pull/27563#issuecomment-586060123
 
 
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[GitHub] [spark] AmplabJenkins commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

2020-02-13 Thread GitBox
AmplabJenkins commented on issue #27563: [SPARK-30812][SQL][CORE] Revise 
boolean config name to comply with new config naming policy
URL: https://github.com/apache/spark/pull/27563#issuecomment-586060117
 
 
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[GitHub] [spark] SparkQA commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

2020-02-13 Thread GitBox
SparkQA commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean 
config name to comply with new config naming policy
URL: https://github.com/apache/spark/pull/27563#issuecomment-586060101
 
 
   **[Test build #118384 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/118384/testReport)**
 for PR 27563 at commit 
[`165fefa`](https://github.com/apache/spark/commit/165fefad3a6580aa5b82cfc5468deb15d36d0146).
* This patch **fails MiMa tests**.
* This patch merges cleanly.
* This patch adds no public classes.


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[GitHub] [spark] AmplabJenkins commented on issue #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
AmplabJenkins commented on issue #27395: [SPARK-30667][CORE] Add allGather 
method to BarrierTaskContext
URL: https://github.com/apache/spark/pull/27395#issuecomment-586059906
 
 
   Can one of the admins verify this patch?


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[GitHub] [spark] jiangxb1987 commented on issue #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
jiangxb1987 commented on issue #27395: [SPARK-30667][CORE] Add allGather method 
to BarrierTaskContext
URL: https://github.com/apache/spark/pull/27395#issuecomment-586059445
 
 
   retest this please


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[GitHub] [spark] Ngone51 commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

2020-02-13 Thread GitBox
Ngone51 commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean 
config name to comply with new config naming policy
URL: https://github.com/apache/spark/pull/27563#issuecomment-586059347
 
 
   > Oh, is this backward compatible, @Ngone51 ? I'm wondering all of these are 
new configurations added at 3.0.0.
   
   @dongjoon-hyun We're targeting at configs added in 3.0 only without any 
backward compatible maintain in this PR.
   
   I'll check them again for sure. 


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[GitHub] [spark] HyukjinKwon commented on a change in pull request #26496: [SPARK-29748][PYTHON][SQL] Remove Row field sorting in PySpark for version 3.6+

2020-02-13 Thread GitBox
HyukjinKwon commented on a change in pull request #26496: 
[SPARK-29748][PYTHON][SQL] Remove Row field sorting in PySpark for version 3.6+
URL: https://github.com/apache/spark/pull/26496#discussion_r379215351
 
 

 ##
 File path: docs/pyspark-migration-guide.md
 ##
 @@ -87,6 +87,8 @@ Please refer [Migration Guide: SQL, Datasets and 
DataFrame](sql-migration-guide.
   - Since Spark 3.0, `Column.getItem` is fixed such that it does not call 
`Column.apply`. Consequently, if `Column` is used as an argument to `getItem`, 
the indexing operator should be used.
 For example, `map_col.getItem(col('id'))` should be replaced with 
`map_col[col('id')]`.
 
+  - As of Spark 3.0 `Row` field names are no longer sorted alphabetically when 
constructing with named arguments for Python versions 3.6 and above, and the 
order of fields will match that as entered. To enable sorted fields by default, 
as in Spark 2.4, set the environment variable 
`PYSPARK_ROW_FIELD_SORTING_ENABLED` to "true". For Python versions less than 
3.6, the field names will be sorted alphabetically as the only option.
 
 Review comment:
   +1. Let me fix it.


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[GitHub] [spark] jiangxb1987 commented on issue #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
jiangxb1987 commented on issue #27395: [SPARK-30667][CORE] Add allGather method 
to BarrierTaskContext
URL: https://github.com/apache/spark/pull/27395#issuecomment-586057810
 
 
   Jenkins retest please


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[GitHub] [spark] AmplabJenkins removed a comment on issue #27495: [SPARK-28880][SQL] Support ANSI nested bracketed comments

2020-02-13 Thread GitBox
AmplabJenkins removed a comment on issue #27495: [SPARK-28880][SQL] Support 
ANSI nested bracketed comments
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[GitHub] [spark] jiangxb1987 commented on issue #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
jiangxb1987 commented on issue #27395: [SPARK-30667][CORE] Add allGather method 
to BarrierTaskContext
URL: https://github.com/apache/spark/pull/27395#issuecomment-586057657
 
 
   I'm reverting this commit because the jenkins test is not triggered. We can 
merge it again after the test passes.


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[GitHub] [spark] sarthfrey opened a new pull request #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
sarthfrey opened a new pull request #27395: [SPARK-30667][CORE] Add allGather 
method to BarrierTaskContext
URL: https://github.com/apache/spark/pull/27395
 
 
   ### What changes were proposed in this pull request?
   
   The `allGather` method is added to the `BarrierTaskContext`. This method 
contains the same functionality as the `BarrierTaskContext.barrier` method; it 
blocks the task until all tasks make the call, at which time they may continue 
execution. In addition, the `allGather` method takes an input message. Upon 
returning from the `allGather` the task receives a list of all the messages 
sent by all the tasks that made the `allGather` call.
   
   ### Why are the changes needed?
   
   There are many situations where having the tasks communicate in a 
synchronized way is useful. One simple example is if each task needs to start a 
server to serve requests from one another; first the tasks must find a free 
port (the result of which is undetermined beforehand) and then start making 
requests, but to do so they each must know the port chosen by the other task. 
An `allGather` method would allow them to inform each other of the port they 
will run on.
   
   ### Does this PR introduce any user-facing change?
   
   Yes, an `BarrierTaskContext.allGather` method will be available through the 
Scala, Java, and Python APIs.
   
   ### How was this patch tested?
   
   Most of the code path is already covered by tests to the `barrier` method, 
since this PR includes a refactor so that much code is shared by the `barrier` 
and `allGather` methods. However, a test is added to assert that an all gather 
on each tasks partition ID will return a list of every partition ID.
   
   An example through the Python API:
   ```python
   >>> from pyspark import BarrierTaskContext
   >>>
   >>> def f(iterator):
   ... context = BarrierTaskContext.get()
   ... return [context.allGather('{}'.format(context.partitionId()))]
   ...
   >>> sc.parallelize(range(4), 4).barrier().mapPartitions(f).collect()[0]
   [u'3', u'1', u'0', u'2']
   ```
   


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[GitHub] [spark] jiangxb1987 commented on issue #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
jiangxb1987 commented on issue #27395: [SPARK-30667][CORE] Add allGather method 
to BarrierTaskContext
URL: https://github.com/apache/spark/pull/27395#issuecomment-586057720
 
 
   add to whitelist


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[GitHub] [spark] AmplabJenkins removed a comment on issue #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
AmplabJenkins removed a comment on issue #27395: [SPARK-30667][CORE] Add 
allGather method to BarrierTaskContext
URL: https://github.com/apache/spark/pull/27395#issuecomment-580106541
 
 
   Can one of the admins verify this patch?


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[GitHub] [spark] HyukjinKwon commented on issue #27529: [SPARK-30777][PYTHON][TESTS] Fix test failures for Pandas >= 1.0.0

2020-02-13 Thread GitBox
HyukjinKwon commented on issue #27529: [SPARK-30777][PYTHON][TESTS] Fix test 
failures for Pandas >= 1.0.0
URL: https://github.com/apache/spark/pull/27529#issuecomment-586057499
 
 
   Oh, I thought it's single env. If this is the case, I think it's fine to 
don't backport.


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[GitHub] [spark] AmplabJenkins commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

2020-02-13 Thread GitBox
AmplabJenkins commented on issue #27563: [SPARK-30812][SQL][CORE] Revise 
boolean config name to comply with new config naming policy
URL: https://github.com/apache/spark/pull/27563#issuecomment-586057489
 
 
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[GitHub] [spark] AmplabJenkins removed a comment on issue #27495: [SPARK-28880][SQL] Support ANSI nested bracketed comments

2020-02-13 Thread GitBox
AmplabJenkins removed a comment on issue #27495: [SPARK-28880][SQL] Support 
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[GitHub] [spark] SparkQA commented on issue #27495: [SPARK-28880][SQL] Support ANSI nested bracketed comments

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URL: https://github.com/apache/spark/pull/27495#issuecomment-586057216
 
 
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[GitHub] [spark] shaneknapp edited a comment on issue #27529: [SPARK-30777][PYTHON][TESTS] Fix test failures for Pandas >= 1.0.0

2020-02-13 Thread GitBox
shaneknapp edited a comment on issue #27529: [SPARK-30777][PYTHON][TESTS] Fix 
test failures for Pandas >= 1.0.0
URL: https://github.com/apache/spark/pull/27529#issuecomment-586056059
 
 
   for 2.4, python 3.6.8:
   
   ```
   -bash-4.1$ python -c "import pandas; import pyarrow; print('pandas: %s' % 
pandas.__version__); print('pyarrow: %s' % pyarrow.__version__)"
   pandas: 0.19.2
   pyarrow: 0.8.0
   ```
   
   for master/3.0, python 3.6.8:
   
   ```
   -bash-4.1$ python -c "import pandas; import pyarrow; print('pandas: %s' % 
pandas.__version__); print('pyarrow: %s' % pyarrow.__version__)"
   pandas: 0.24.2
   pyarrow: 0.15.1
   ```
   
   


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[GitHub] [spark] SparkQA commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

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URL: https://github.com/apache/spark/pull/27563#issuecomment-586056733
 
 
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[GitHub] [spark] shaneknapp edited a comment on issue #27529: [SPARK-30777][PYTHON][TESTS] Fix test failures for Pandas >= 1.0.0

2020-02-13 Thread GitBox
shaneknapp edited a comment on issue #27529: [SPARK-30777][PYTHON][TESTS] Fix 
test failures for Pandas >= 1.0.0
URL: https://github.com/apache/spark/pull/27529#issuecomment-586056059
 
 
   for 2.4, python 3.6.8:
   
   ```
   -bash-4.1$ python -c "import pandas; import pyarrow; print('pandas: %s' % 
pandas.__version__); print('pyarrow: %s' % pyarrow.__version__)"
   pandas: 0.19.2
   pyarrow: 0.8.0
   ```
   
   


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[GitHub] [spark] shaneknapp commented on issue #27529: [SPARK-30777][PYTHON][TESTS] Fix test failures for Pandas >= 1.0.0

2020-02-13 Thread GitBox
shaneknapp commented on issue #27529: [SPARK-30777][PYTHON][TESTS] Fix test 
failures for Pandas >= 1.0.0
URL: https://github.com/apache/spark/pull/27529#issuecomment-586056059
 
 
   for 2.4, python 3.6.8:
   
   '''
   -bash-4.1$ python -c "import pandas; import pyarrow; print('pandas: %s' % 
pandas.__version__); print('pyarrow: %s' % pyarrow.__version__)"
   pandas: 0.19.2
   pyarrow: 0.8.0
   '''
   
   


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[GitHub] [spark] jiangxb1987 commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean config name to comply with new config naming policy

2020-02-13 Thread GitBox
jiangxb1987 commented on issue #27563: [SPARK-30812][SQL][CORE] Revise boolean 
config name to comply with new config naming policy
URL: https://github.com/apache/spark/pull/27563#issuecomment-586053686
 
 
   retest this please


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[GitHub] [spark] SparkQA commented on issue #27495: [SPARK-28880][SQL] Support ANSI nested bracketed comments

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[GitHub] [spark] viirya commented on issue #26929: [SPARK-30289][SQL] Partitioned by Nested Column for `InMemoryTable`

2020-02-13 Thread GitBox
viirya commented on issue #26929: [SPARK-30289][SQL] Partitioned by Nested 
Column for `InMemoryTable`
URL: https://github.com/apache/spark/pull/26929#issuecomment-586052696
 
 
   Looks good and thanks for working on this.


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[GitHub] [spark] jiangxb1987 commented on a change in pull request #27002: [SPARK-30346][CORE]Improve logging when events dropped

2020-02-13 Thread GitBox
jiangxb1987 commented on a change in pull request #27002: 
[SPARK-30346][CORE]Improve logging when events dropped
URL: https://github.com/apache/spark/pull/27002#discussion_r379206377
 
 

 ##
 File path: core/src/main/scala/org/apache/spark/scheduler/AsyncEventQueue.scala
 ##
 @@ -167,20 +170,29 @@ private class AsyncEventQueue(
 }
 logTrace(s"Dropping event $event")
 
-val droppedCount = droppedEventsCounter.get
+val droppedCount = droppedEventsCounter.get - lastDroppedEventsCounter
+val lastReportTime = lastReportTimestamp.get
+val curTime = System.currentTimeMillis()
 if (droppedCount > 0) {
   // Don't log too frequently
-  if (System.currentTimeMillis() - lastReportTimestamp >= 60 * 1000) {
-// There may be multiple threads trying to decrease 
droppedEventsCounter.
-// Use "compareAndSet" to make sure only one thread can win.
-// And if another thread is increasing droppedEventsCounter, 
"compareAndSet" will fail and
-// then that thread will update it.
-if (droppedEventsCounter.compareAndSet(droppedCount, 0)) {
 
 Review comment:
   Can we just remove this check and use `droppedEventsCounter.getAndSet()` 
instead?


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[GitHub] [spark] xuanyuanking commented on issue #27560: [SPARK-30809][SQL] Review and fix issues in SQL API docs

2020-02-13 Thread GitBox
xuanyuanking commented on issue #27560: [SPARK-30809][SQL] Review and fix 
issues in SQL API docs
URL: https://github.com/apache/spark/pull/27560#issuecomment-586050561
 
 
   cc @cloud-fan 


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[GitHub] [spark] xuanyuanking edited a comment on issue #27560: [SPARK-30809][SQL] Review and fix issues in SQL API docs

2020-02-13 Thread GitBox
xuanyuanking edited a comment on issue #27560: [SPARK-30809][SQL] Review and 
fix issues in SQL API docs
URL: https://github.com/apache/spark/pull/27560#issuecomment-586050561
 
 
   cc @cloud-fan @gatorsmile 


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[GitHub] [spark] viirya commented on a change in pull request #26929: [SPARK-30289][SQL] Partitioned by Nested Column for `InMemoryTable`

2020-02-13 Thread GitBox
viirya commented on a change in pull request #26929: [SPARK-30289][SQL] 
Partitioned by Nested Column for `InMemoryTable`
URL: https://github.com/apache/spark/pull/26929#discussion_r379204978
 
 

 ##
 File path: 
sql/catalyst/src/test/scala/org/apache/spark/sql/connector/InMemoryTable.scala
 ##
 @@ -59,10 +59,30 @@ class InMemoryTable(
 
   def rows: Seq[InternalRow] = dataMap.values.flatMap(_.rows).toSeq
 
-  private val partFieldNames = 
partitioning.flatMap(_.references).toSeq.flatMap(_.fieldNames)
-  private val partIndexes = partFieldNames.map(schema.fieldIndex)
+  private val partCols: Array[Array[String]] = 
partitioning.flatMap(_.references).map { ref =>
+schema.findNestedField(ref.fieldNames(), includeCollections = false) match 
{
+  case Some(_) => ref.fieldNames()
+  case None => throw new IllegalArgumentException(s"${ref.describe()} does 
not exist.")
+}
+  }
 
-  private def getKey(row: InternalRow): Seq[Any] = 
partIndexes.map(row.toSeq(schema)(_))
+  private def getKey(row: InternalRow): Seq[Any] = {
+def extractor(fieldNames: Array[String], schema: StructType, row: 
InternalRow): Any = {
+  val index = schema.fieldIndex(fieldNames(0))
+  val value = row.toSeq(schema).apply(index)
+  if (fieldNames.length > 1) {
+(value, schema(index).dataType) match {
+  case (row: InternalRow, nestedSchema: StructType) =>
+extractor(fieldNames.slice(1, fieldNames.length), nestedSchema, 
row)
+  case (_, dataType) =>
+throw new IllegalArgumentException(s"Unsupported type, 
${dataType.simpleString}")
+}
+  } else {
+value
+  }
+}
+partCols.map(filedNames => extractor(filedNames, schema, row))
 
 Review comment:
   filedNames? fieldNames?


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[GitHub] [spark] jiangxb1987 commented on a change in pull request #27002: [SPARK-30346][CORE]Improve logging when events dropped

2020-02-13 Thread GitBox
jiangxb1987 commented on a change in pull request #27002: 
[SPARK-30346][CORE]Improve logging when events dropped
URL: https://github.com/apache/spark/pull/27002#discussion_r379206377
 
 

 ##
 File path: core/src/main/scala/org/apache/spark/scheduler/AsyncEventQueue.scala
 ##
 @@ -167,20 +170,29 @@ private class AsyncEventQueue(
 }
 logTrace(s"Dropping event $event")
 
-val droppedCount = droppedEventsCounter.get
+val droppedCount = droppedEventsCounter.get - lastDroppedEventsCounter
+val lastReportTime = lastReportTimestamp.get
+val curTime = System.currentTimeMillis()
 if (droppedCount > 0) {
   // Don't log too frequently
-  if (System.currentTimeMillis() - lastReportTimestamp >= 60 * 1000) {
-// There may be multiple threads trying to decrease 
droppedEventsCounter.
-// Use "compareAndSet" to make sure only one thread can win.
-// And if another thread is increasing droppedEventsCounter, 
"compareAndSet" will fail and
-// then that thread will update it.
-if (droppedEventsCounter.compareAndSet(droppedCount, 0)) {
 
 Review comment:
   Can we just remove this check and use `droppedEventsCounter.getAndSet()` 
instead?


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[GitHub] [spark] SparkQA commented on issue #26440: [SPARK-20628][CORE][K8S] Start to improve Spark decommissioning & preemption support

2020-02-13 Thread GitBox
SparkQA commented on issue #26440: [SPARK-20628][CORE][K8S] Start to improve 
Spark decommissioning & preemption support
URL: https://github.com/apache/spark/pull/26440#issuecomment-586039212
 
 
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[GitHub] [spark] zsxwing commented on a change in pull request #26496: [SPARK-29748][PYTHON][SQL] Remove Row field sorting in PySpark for version 3.6+

2020-02-13 Thread GitBox
zsxwing commented on a change in pull request #26496: 
[SPARK-29748][PYTHON][SQL] Remove Row field sorting in PySpark for version 3.6+
URL: https://github.com/apache/spark/pull/26496#discussion_r379194091
 
 

 ##
 File path: docs/pyspark-migration-guide.md
 ##
 @@ -87,6 +87,8 @@ Please refer [Migration Guide: SQL, Datasets and 
DataFrame](sql-migration-guide.
   - Since Spark 3.0, `Column.getItem` is fixed such that it does not call 
`Column.apply`. Consequently, if `Column` is used as an argument to `getItem`, 
the indexing operator should be used.
 For example, `map_col.getItem(col('id'))` should be replaced with 
`map_col[col('id')]`.
 
+  - As of Spark 3.0 `Row` field names are no longer sorted alphabetically when 
constructing with named arguments for Python versions 3.6 and above, and the 
order of fields will match that as entered. To enable sorted fields by default, 
as in Spark 2.4, set the environment variable 
`PYSPARK_ROW_FIELD_SORTING_ENABLED` to "true". For Python versions less than 
3.6, the field names will be sorted alphabetically as the only option.
 
 Review comment:
   nit: Could we mention that this must be set for all processes? For example, 
`set the environment variable `PYSPARK_ROW_FIELD_SORTING_ENABLED` to "true" for 
**executors and driver**. This env must be consistent on all executors and 
driver. Any inconsistency may cause failures or incorrect answers `


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[GitHub] [spark] mengxr commented on issue #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
mengxr commented on issue #27395: [SPARK-30667][CORE] Add allGather method to 
BarrierTaskContext
URL: https://github.com/apache/spark/pull/27395#issuecomment-586035904
 
 
   Merged into master and branch-3.0. Thanks!


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[GitHub] [spark] asfgit closed pull request #27395: [SPARK-30667][CORE] Add allGather method to BarrierTaskContext

2020-02-13 Thread GitBox
asfgit closed pull request #27395: [SPARK-30667][CORE] Add allGather method to 
BarrierTaskContext
URL: https://github.com/apache/spark/pull/27395
 
 
   


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[GitHub] [spark] jiangxb1987 commented on a change in pull request #26971: [SPARK-30320][SQL] Fix insert overwrite to DataSource table with dynamic partition error

2020-02-13 Thread GitBox
jiangxb1987 commented on a change in pull request #26971: [SPARK-30320][SQL] 
Fix insert overwrite to DataSource table with dynamic partition error
URL: https://github.com/apache/spark/pull/26971#discussion_r379190648
 
 

 ##
 File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
 ##
 @@ -1521,4 +1521,10 @@ package object config {
 .bytesConf(ByteUnit.BYTE)
 .createOptional
 
+  private[spark] val MAX_LOCAL_TASK_FAILURES = 
ConfigBuilder("spark.task.local.maxFailures")
+.doc("The max failure times for a task while SparkContext running in Local 
mode, " +
 
 Review comment:
   How could you launch speculative task when running under local mode?


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[GitHub] [spark] SparkQA commented on issue #26440: [SPARK-20628][CORE][K8S] Start to improve Spark decommissioning & preemption support

2020-02-13 Thread GitBox
SparkQA commented on issue #26440: [SPARK-20628][CORE][K8S] Start to improve 
Spark decommissioning & preemption support
URL: https://github.com/apache/spark/pull/26440#issuecomment-586033832
 
 
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[GitHub] [spark] jiangxb1987 commented on issue #27222: [SPARK-30519][CORE] Use spark.executorEnv.HADOOP_USER_NAME to set executor's hadoop user

2020-02-13 Thread GitBox
jiangxb1987 commented on issue #27222: [SPARK-30519][CORE] Use 
spark.executorEnv.HADOOP_USER_NAME to set executor's hadoop user
URL: https://github.com/apache/spark/pull/27222#issuecomment-586033002
 
 
   This is a behavior change, and I don't think we should introduce this change 
by the approach proposed this way.
   
   If both `SPARK_USER` and `HADOOP_USER_NAME` are specified in the env, we 
should prioritize `SPARK_USER` over `HADOOP_USER_NAME`. Also, I'm hesitate 
whether we should support `HADOOP_USER_NAME` at all.


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[GitHub] [spark] rdblue commented on issue #26929: [SPARK-30289][SQL] Partitioned by Nested Column for `InMemoryTable`

2020-02-13 Thread GitBox
rdblue commented on issue #26929: [SPARK-30289][SQL] Partitioned by Nested 
Column for `InMemoryTable`
URL: https://github.com/apache/spark/pull/26929#issuecomment-586032685
 
 
   +1
   
   Thanks for updating tests, @dbtsai. This looks good to me and it's great to 
have cases for partitioning by nested fields.


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[GitHub] [spark] jiangxb1987 commented on a change in pull request #27050: [SPARK-30388][Core] Mark running map stages of finished job as finished, and cancel running tasks

2020-02-13 Thread GitBox
jiangxb1987 commented on a change in pull request #27050: [SPARK-30388][Core] 
Mark running map stages of finished job as finished, and cancel running tasks
URL: https://github.com/apache/spark/pull/27050#discussion_r379186506
 
 

 ##
 File path: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
 ##
 @@ -2003,7 +2000,7 @@ private[spark] class DAGScheduler(
   if (runningStages.contains(stage)) {
 try { // cancelTasks will fail if a SchedulerBackend does not 
implement killTask
   taskScheduler.cancelTasks(stageId, 
shouldInterruptTaskThread(job))
-  markStageAsFinished(stage, Some(failureReason))
+  markStageAsFinished(stage, reason)
 
 Review comment:
   If the reason is None, the `completionTime` of the stage would be updated, 
thus it's not the time that the stage has actually succeed.


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[GitHub] [spark] SparkQA commented on issue #27571: [SPARK-30819][SPARKR][ML] Add FMRegressor wrapper to SparkR

2020-02-13 Thread GitBox
SparkQA commented on issue #27571: [SPARK-30819][SPARKR][ML]  Add FMRegressor 
wrapper to SparkR
URL: https://github.com/apache/spark/pull/27571#issuecomment-586030807
 
 
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[GitHub] [spark] jiangxb1987 commented on a change in pull request #27050: [SPARK-30388][Core] Mark running map stages of finished job as finished, and cancel running tasks

2020-02-13 Thread GitBox
jiangxb1987 commented on a change in pull request #27050: [SPARK-30388][Core] 
Mark running map stages of finished job as finished, and cancel running tasks
URL: https://github.com/apache/spark/pull/27050#discussion_r379184969
 
 

 ##
 File path: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
 ##
 @@ -2003,7 +2000,7 @@ private[spark] class DAGScheduler(
   if (runningStages.contains(stage)) {
 
 Review comment:
   Please also update the comment above


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[GitHub] [spark] jiangxb1987 commented on issue #27419: [WIP][SPARK-30694][SHUFFLE]If exception occured while fetching blocks by ExternalBlockClient, fail early when External Shuffle Service is not al

2020-02-13 Thread GitBox
jiangxb1987 commented on issue #27419: [WIP][SPARK-30694][SHUFFLE]If exception 
occured while fetching blocks by ExternalBlockClient, fail early when External 
Shuffle Service is not alive
URL: https://github.com/apache/spark/pull/27419#issuecomment-586026054
 
 
   If you skip retry, how can you know it's not transient network problem?


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[GitHub] [spark] marmbrus commented on issue #24902: [SPARK-28093][SQL] Fix TRIM/LTRIM/RTRIM function parameter order issue

2020-02-13 Thread GitBox
marmbrus commented on issue #24902: [SPARK-28093][SQL] Fix TRIM/LTRIM/RTRIM 
function parameter order issue
URL: https://github.com/apache/spark/pull/24902#issuecomment-586025104
 
 
   Reordering function parameters to match another system, for a method that is 
otherwise working correctly, sounds exactly like a cosmetic change to me.
   
   And as I pointed out, this has been discussed officially on the mailing 
list. I gave one example, but I can assure you this is not the only one.
   
   Don't read just his specific example, but rather also understand the 
motivation he gives. The Spark project always has been concerned about 
unnecessary pain being inflicted on users during an upgrade. He encourages us 
to think about "the tradeoff in terms of creating an update barrier for 
existing users".
   
   I'm also not saying we should *never* silently change behavior. However, in 
general, silent behavior changes are a big red flag to me. I think they are 
extra costly to users for the reasons listed above.
   
   I believe @cloud-fan is working on collecting a bunch of examples so that he 
can propose a framework on the mailing list to make sure we evaluate these 
cases consistently.


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[GitHub] [spark] jiangxb1987 commented on issue #26984: [SPARK-27641][CORE] Fix MetricsSystem to remove metrics of the specific source by exactly match

2020-02-13 Thread GitBox
jiangxb1987 commented on issue #26984: [SPARK-27641][CORE] Fix MetricsSystem to 
remove metrics of the specific source by exactly match
URL: https://github.com/apache/spark/pull/26984#issuecomment-586024740
 
 
   What's the behavior change you are proposing? Your new test case passes 
under current code base.


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