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Posted to issues@carbondata.apache.org by GitBox <gi...@apache.org> on 2020/10/11 18:57:59 UTC
[GitHub] [carbondata] marchpure opened a new pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
marchpure opened a new pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976
### Why is this PR needed?
A few code of Inserting/Loading/InsertStage/IndexServer won't shutdown executorservice. leads to thread leakage which will degrade the performance of the driver and executor.
### What changes were proposed in this PR?
Shutdown executorservices as soon as finish using them.
### Does this PR introduce any user interface change?
- No
### Is any new testcase added?
- No
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[GitHub] [carbondata] CarbonDataQA1 commented on pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
CarbonDataQA1 commented on pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#issuecomment-706767341
Build Success with Spark 2.3.4, Please check CI http://121.244.95.60:12545/job/ApacheCarbonPRBuilder2.3/4356/
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[GitHub] [carbondata] CarbonDataQA1 commented on pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
CarbonDataQA1 commented on pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#issuecomment-706766379
Build Success with Spark 2.4.5, Please check CI http://121.244.95.60:12545/job/ApacheCarbon_PR_Builder_2.4.5/2606/
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[GitHub] [carbondata] Kejian-Li commented on a change in pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
Kejian-Li commented on a change in pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#discussion_r503000913
##########
File path: core/src/main/java/org/apache/carbondata/core/statusmanager/StageInputCollector.java
##########
@@ -65,8 +65,15 @@
collectStageFiles(table, hadoopConf, stageInputFiles, successFiles);
if (stageInputFiles.size() > 0) {
int numThreads = Math.min(Math.max(stageInputFiles.size(), 1), 10);
- ExecutorService executorService = Executors.newFixedThreadPool(numThreads);
- return createInputSplits(executorService, stageInputFiles);
+ ExecutorService executorService = null;
+ try {
+ executorService = Executors.newFixedThreadPool(numThreads);
+ return createInputSplits(executorService, stageInputFiles);
+ } finally {
+ if (executorService != null && !executorService.isShutdown()) {
+ executorService.shutdownNow();
+ }
+ }
Review comment:
executorService has already been shut down, and then pass it in createInputSplits, is that okay?
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[GitHub] [carbondata] CarbonDataQA1 commented on pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
CarbonDataQA1 commented on pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#issuecomment-706847834
Build Success with Spark 2.3.4, Please check CI http://121.244.95.60:12545/job/ApacheCarbonPRBuilder2.3/4361/
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[GitHub] [carbondata] Kejian-Li commented on pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
Kejian-Li commented on pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#issuecomment-706813764
LGTM
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[GitHub] [carbondata] asfgit closed pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
asfgit closed pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976
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[GitHub] [carbondata] marchpure commented on a change in pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
marchpure commented on a change in pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#discussion_r503031223
##########
File path: core/src/main/java/org/apache/carbondata/core/statusmanager/StageInputCollector.java
##########
@@ -65,8 +65,15 @@
collectStageFiles(table, hadoopConf, stageInputFiles, successFiles);
if (stageInputFiles.size() > 0) {
int numThreads = Math.min(Math.max(stageInputFiles.size(), 1), 10);
- ExecutorService executorService = Executors.newFixedThreadPool(numThreads);
- return createInputSplits(executorService, stageInputFiles);
+ ExecutorService executorService = null;
+ try {
+ executorService = Executors.newFixedThreadPool(numThreads);
Review comment:
I have modified code according to your suggestion
##########
File path: integration/spark/src/main/scala/org/apache/spark/rdd/CarbonMergeFilesRDD.scala
##########
@@ -158,20 +158,27 @@ object CarbonMergeFilesRDD {
// remove all tmp folder of index files
val startDelete = System.currentTimeMillis()
val numThreads = Math.min(Math.max(partitionInfo.size(), 1), 10)
- val executorService = Executors.newFixedThreadPool(numThreads)
- val carbonSessionInfo = ThreadLocalSessionInfo.getCarbonSessionInfo
- partitionInfo
- .asScala
- .map { partitionPath =>
- executorService.submit(new Runnable {
- override def run(): Unit = {
- ThreadLocalSessionInfo.setCarbonSessionInfo(carbonSessionInfo)
- FileFactory.deleteAllCarbonFilesOfDir(
- FileFactory.getCarbonFile(partitionPath + "/" + tempFolderPath))
- }
- })
+ var executorService: ExecutorService = null
+ try {
+ executorService = Executors.newFixedThreadPool(numThreads)
Review comment:
I have modified code according to your suggestion
##########
File path: integration/spark/src/main/scala/org/apache/carbondata/indexserver/IndexServer.scala
##########
@@ -123,6 +123,9 @@ object IndexServer extends ServerInterface {
t
}
})
+ indexServerExecutorService.get.shutdown()
Review comment:
I have modified code according to your suggestion
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[GitHub] [carbondata] Kejian-Li commented on a change in pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
Kejian-Li commented on a change in pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#discussion_r503000769
##########
File path: core/src/main/java/org/apache/carbondata/core/statusmanager/StageInputCollector.java
##########
@@ -65,8 +65,15 @@
collectStageFiles(table, hadoopConf, stageInputFiles, successFiles);
if (stageInputFiles.size() > 0) {
int numThreads = Math.min(Math.max(stageInputFiles.size(), 1), 10);
- ExecutorService executorService = Executors.newFixedThreadPool(numThreads);
- return createInputSplits(executorService, stageInputFiles);
+ ExecutorService executorService = null;
+ try {
+ executorService = Executors.newFixedThreadPool(numThreads);
+ return createInputSplits(executorService, stageInputFiles);
+ } finally {
+ if (executorService != null && !executorService.isShutdown()) {
+ executorService.shutdownNow();
+ }
+ }
Review comment:
executorService has already been shut down, and then pass it in createInputSplits, is that okay?
----------------------------------------------------------------
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[GitHub] [carbondata] QiangCai commented on a change in pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
QiangCai commented on a change in pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#discussion_r503000562
##########
File path: integration/spark/src/main/scala/org/apache/carbondata/indexserver/IndexServer.scala
##########
@@ -123,6 +123,9 @@ object IndexServer extends ServerInterface {
t
}
})
+ indexServerExecutorService.get.shutdown()
Review comment:
It will not accept more tasks.
##########
File path: integration/spark/src/main/scala/org/apache/spark/rdd/CarbonMergeFilesRDD.scala
##########
@@ -158,20 +158,27 @@ object CarbonMergeFilesRDD {
// remove all tmp folder of index files
val startDelete = System.currentTimeMillis()
val numThreads = Math.min(Math.max(partitionInfo.size(), 1), 10)
- val executorService = Executors.newFixedThreadPool(numThreads)
- val carbonSessionInfo = ThreadLocalSessionInfo.getCarbonSessionInfo
- partitionInfo
- .asScala
- .map { partitionPath =>
- executorService.submit(new Runnable {
- override def run(): Unit = {
- ThreadLocalSessionInfo.setCarbonSessionInfo(carbonSessionInfo)
- FileFactory.deleteAllCarbonFilesOfDir(
- FileFactory.getCarbonFile(partitionPath + "/" + tempFolderPath))
- }
- })
+ var executorService: ExecutorService = null
+ try {
+ executorService = Executors.newFixedThreadPool(numThreads)
Review comment:
move line 163 to line 161
##########
File path: core/src/main/java/org/apache/carbondata/core/statusmanager/StageInputCollector.java
##########
@@ -65,8 +65,15 @@
collectStageFiles(table, hadoopConf, stageInputFiles, successFiles);
if (stageInputFiles.size() > 0) {
int numThreads = Math.min(Math.max(stageInputFiles.size(), 1), 10);
- ExecutorService executorService = Executors.newFixedThreadPool(numThreads);
- return createInputSplits(executorService, stageInputFiles);
+ ExecutorService executorService = null;
+ try {
+ executorService = Executors.newFixedThreadPool(numThreads);
Review comment:
move line 70 to line 68
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[GitHub] [carbondata] CarbonDataQA1 commented on pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
CarbonDataQA1 commented on pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#issuecomment-706849697
Build Success with Spark 2.4.5, Please check CI http://121.244.95.60:12545/job/ApacheCarbon_PR_Builder_2.4.5/2611/
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[GitHub] [carbondata] QiangCai commented on pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
QiangCai commented on pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#issuecomment-707075552
LGTM
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[GitHub] [carbondata] Kejian-Li commented on a change in pull request #3976: [CARBONDATA-4026] Fix Thread leakage while Loading
Posted by GitBox <gi...@apache.org>.
Kejian-Li commented on a change in pull request #3976:
URL: https://github.com/apache/carbondata/pull/3976#discussion_r503000913
##########
File path: core/src/main/java/org/apache/carbondata/core/statusmanager/StageInputCollector.java
##########
@@ -65,8 +65,15 @@
collectStageFiles(table, hadoopConf, stageInputFiles, successFiles);
if (stageInputFiles.size() > 0) {
int numThreads = Math.min(Math.max(stageInputFiles.size(), 1), 10);
- ExecutorService executorService = Executors.newFixedThreadPool(numThreads);
- return createInputSplits(executorService, stageInputFiles);
+ ExecutorService executorService = null;
+ try {
+ executorService = Executors.newFixedThreadPool(numThreads);
+ return createInputSplits(executorService, stageInputFiles);
+ } finally {
+ if (executorService != null && !executorService.isShutdown()) {
+ executorService.shutdownNow();
+ }
+ }
Review comment:
executorService has already been shut down, and then pass it in createInputSplits, is that okay?
----------------------------------------------------------------
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