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https://issues.apache.org/jira/browse/BEAM-4122?focusedWorklogId=92243&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-92243
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ASF GitHub Bot logged work on BEAM-4122:
----------------------------------------
Author: ASF GitHub Bot
Created on: 18/Apr/18 21:27
Start Date: 18/Apr/18 21:27
Worklog Time Spent: 10m
Work Description: swegner opened a new pull request #5171: [BEAM-4122]
Tune Gradle resource usage on Jenkins
URL: https://github.com/apache/beam/pull/5171
The new Gradle build seems to be exhausting memory on the Jenkins machines,
causing them to lose their connection and die. This has made our tests
extremely flaky.
We need to tune the Gradle build such that it does not exhaust Jenkins
machine resources.
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Issue Time Tracking
-------------------
Worklog Id: (was: 92243)
Time Spent: 10m
Remaining Estimate: 0h
> Tune Gradle resource usage on Jenkins
> -------------------------------------
>
> Key: BEAM-4122
> URL: https://issues.apache.org/jira/browse/BEAM-4122
> Project: Beam
> Issue Type: Sub-task
> Components: build-system
> Reporter: Scott Wegner
> Assignee: Scott Wegner
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The new Gradle build seems to be exhausting memory on the Jenkins machines,
> causing them to lose their connection and die. This has made our tests
> extremely flaky.
> We need to tune the Gradle build such that it does not exhaust Jenkins
> machine resources.
> A [Gradle build
> scan|https://scans.gradle.com/s/ehue5xqj36zeo/infrastructure] shows some
> information about the Jenkins VM:
> * Operating system Linux 3.19.0-79-generic
> * CPU cores 4 cores
> * Max Gradle workers 4 workers
> * Java runtime Oracle Java(TM) SE Runtime Environment 1.8.0_152-b16
> * Java VM Oracle Java HotSpot(TM) 64-Bit Server VM 25.152-b16 (mixed mode)
> * Max JVM memory heap size 3506 MB
> From the [Jenkins Load
> Statistics|https://builds.apache.org/computer/beam3/load-statistics] page, it
> appears that each machine has 2 executors.
> Some resources for tuning memory:
> * [https://wiki.jenkins.io/display/JENKINS/I%27m+getting+OutOfMemoryError]
> * [https://guides.gradle.org/performance/]
> *
> [https://docs.gradle.org/current/userguide/build_environment.html#sec:configuring_jvm_memory]
>
> *
> [https://docs.gradle.org/current/userguide/command_line_interface.html#sec:command_line_performance]
>
>
> We may also be able to improve performance by using Gradle features to remove
> redundant work:
> * [Build Cache|https://docs.gradle.org/current/userguide/build_cache.html]:
> re-use up-to-date outputs from previous builds
> * [Gradle
> Daemon|https://docs.gradle.org/current/userguide/gradle_daemon.html]: re-use
> worker process and cache output status
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