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https://issues.apache.org/jira/browse/BEAM-6923?focusedWorklogId=317889&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-317889
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ASF GitHub Bot logged work on BEAM-6923:
----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Sep/19 22:28
Start Date: 24/Sep/19 22:28
Worklog Time Spent: 10m
Work Description: angoenka commented on pull request #9647: [BEAM-6923]
limit number of concurrent artifact write to 8
URL: https://github.com/apache/beam/pull/9647#discussion_r327860963
##########
File path:
runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/artifact/BeamFileSystemArtifactStagingService.java
##########
@@ -77,6 +78,13 @@
public static final String MANIFEST = "MANIFEST";
public static final String ARTIFACTS = "artifacts";
+ private final Semaphore permittedConcurrentWrite;
+
+ public BeamFileSystemArtifactStagingService() {
+ super();
+ permittedConcurrentWrite = new Semaphore(8);
Review comment:
The name of the variable `permittedConcurrentWrite` seems to be descriptive
enough hence i avoided creating a new constant.
Let me know if you think it will be better to create a constant.
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Issue Time Tracking
-------------------
Worklog Id: (was: 317889)
Time Spent: 1h 10m (was: 1h)
> OOM errors in jobServer when using GCS artifactDir
> --------------------------------------------------
>
> Key: BEAM-6923
> URL: https://issues.apache.org/jira/browse/BEAM-6923
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-harness
> Reporter: Lukasz Gajowy
> Assignee: Ankur Goenka
> Priority: Major
> Attachments: Instance counts.png, Paths to GC root.png,
> Telemetries.png, beam6923-flink156.m4v, beam6923flink182.m4v, heapdump
> size-sorted.png
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> When starting jobServer with artifactDir pointing to a GCS bucket:
> {code:java}
> ./gradlew :beam-runners-flink_2.11-job-server:runShadow
> -PflinkMasterUrl=localhost:8081 -PartifactsDir=gs://the-bucket{code}
> and running a Java portable pipeline with the following, portability related
> pipeline options:
> {code:java}
> --runner=PortableRunner --jobEndpoint=localhost:8099
> --defaultEnvironmentType=DOCKER
> --defaultEnvironmentConfig=gcr.io/<my-freshly-built-sdk-harness-image>/java:latest'{code}
>
> I'm facing a series of OOM errors, like this:
> {code:java}
> Exception in thread "grpc-default-executor-3" java.lang.OutOfMemoryError:
> Java heap space
> at
> com.google.api.client.googleapis.media.MediaHttpUploader.buildContentChunk(MediaHttpUploader.java:606)
> at
> com.google.api.client.googleapis.media.MediaHttpUploader.resumableUpload(MediaHttpUploader.java:408)
> at
> com.google.api.client.googleapis.media.MediaHttpUploader.upload(MediaHttpUploader.java:336)
> at
> com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:508)
> at
> com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:432)
> at
> com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:549)
> at
> com.google.cloud.hadoop.util.AbstractGoogleAsyncWriteChannel$UploadOperation.call(AbstractGoogleAsyncWriteChannel.java:301)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745){code}
>
> This does not happen when I'm using a local filesystem for the artifact
> staging location.
>
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