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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/12/25 10:30:00 UTC
[jira] [Work logged] (BEAM-9030) Bump the version of GRPC to
1.22.0+(May be latest 1.26.0, currently 1.21.0)
[ https://issues.apache.org/jira/browse/BEAM-9030?focusedWorklogId=363250&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-363250 ]
ASF GitHub Bot logged work on BEAM-9030:
----------------------------------------
Author: ASF GitHub Bot
Created on: 25/Dec/19 10:29
Start Date: 25/Dec/19 10:29
Worklog Time Spent: 10m
Work Description: sunjincheng121 commented on pull request #10463: [BEAM-9030] Bump grpc to 1.26.0
URL: https://github.com/apache/beam/pull/10463
When submitting a Python word count job to a Flink session/standalone cluster repeatedly, the meta space usage of the task manager of the Flink cluster will continuously increase (about 40MB each time). The reason is that the Beam classes are loaded with the user class loader in Flink and There are problems with the implementation of `ProcessManager`(from Beam) and `ThreadPoolCache`(from netty) which may cause the user class loader could not be garbage collected even after the job finished which causes the meta space memory leak eventually. You can refer to FLINK-15338[1] for more information.
Regarding to `ProcessManager`, I have created a JIRA BEAM-9006[2] to track it. Regarding to `ThreadPoolCache`, it is a Netty problem and has been fixed in NETTY#8955[3]. Netty 4.1.35 Final has already included this fix and GRPC 1.22.0 has already dependents on Netty 4.1.35 Final. So this PR is bump the version of GRPC to 1.26.0+ (currently 1.21.0).
[1] https://issues.apache.org/jira/browse/FLINK-15338
[2] https://issues.apache.org/jira/browse/BEAM-9006
[3] https://github.com/netty/netty/pull/8955
Post-Commit Tests Status (on master branch)
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Lang | SDK | Apex | Dataflow | Flink | Gearpump | Samza | Spark
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Go | [](https://builds.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/) | --- | --- | [](https://builds.apache.org/job/beam_PostCommit_Go_VR_Flink/lastCompletedBuild/) | --- | --- | [](https://builds.apache.org/job/beam_PostCommit_Go_VR_Spark/lastCompletedBuild/)
Java | [](https://builds.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Batch/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Streaming/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Gearpump/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Spark_Batch/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_SparkStructuredStreaming/lastCompletedBuild/)
Python | [](https://builds.apache.org/job/beam_PostCommit_Python2/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Python35/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Python36/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Python37/lastCompletedBuild/) | --- | [](https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PreCommit_Python2_PVR_Flink_Cron/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/lastCompletedBuild/) | --- | --- | [](https://builds.apache.org/job/beam_PostCommit_Python_VR_Spark/lastCompletedBuild/)
XLang | --- | --- | --- | [](https://builds.apache.org/job/beam_PostCommit_XVR_Flink/lastCompletedBuild/) | --- | --- | ---
Pre-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
--- |Java | Python | Go | Website
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Non-portable | [](https://builds.apache.org/job/beam_PreCommit_Java_Cron/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PreCommit_Python_Cron/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PreCommit_PythonLint_Cron/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PreCommit_Go_Cron/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PreCommit_Website_Cron/lastCompletedBuild/)
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Issue Time Tracking
-------------------
Worklog Id: (was: 363250)
Remaining Estimate: 0h
Time Spent: 10m
> Bump the version of GRPC to 1.22.0+(May be latest 1.26.0, currently 1.21.0)
> ---------------------------------------------------------------------------
>
> Key: BEAM-9030
> URL: https://issues.apache.org/jira/browse/BEAM-9030
> Project: Beam
> Issue Type: Bug
> Components: java-fn-execution, runner-flink
> Reporter: sunjincheng
> Assignee: sunjincheng
> Priority: Major
> Fix For: 2.19.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When submitting a Python word count job to a Flink session/standalone cluster repeatedly, the meta space usage of the task manager of the Flink cluster will continuously increase (about 40MB each time). The reason is that the Beam classes are loaded with the user class loader in Flink and there are problems with the implementation of `ProcessManager`(from Beam) and `ThreadPoolCache`(from netty) which may cause the user class loader could not be garbage collected even after the job finished which causes the meta space memory leak eventually. You can refer to FLINK-15338[1] for more information.
> Regarding to `ProcessManager`, I have created a JIRA BEAM-9006[2] to track it. Regarding to `ThreadPoolCache`, it is a Netty problem and has been fixed in NETTY#8955[3]. Netty 4.1.35 Final has already included this fix and GRPC 1.22.0 has already dependents on Netty 4.1.35 Final. So we need to bump the version of GRPC to 1.22.0+ (currently 1.21.0).
>
> What do you think?
> [1] https://issues.apache.org/jira/browse/FLINK-15338
> [2] https://issues.apache.org/jira/browse/BEAM-9006
> [3] [https://github.com/netty/netty/pull/8955]
>
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