[ https://issues.apache.org/jira/browse/SPARK-29043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcelo Masiero Vanzin reassigned SPARK-29043: ---------------------------------------------- Assignee: feiwang > [History Server]Only one replay thread of FsHistoryProvider work because of > straggler > ------------------------------------------------------------------------------------- > > Key: SPARK-29043 > URL: https://issues.apache.org/jira/browse/SPARK-29043 > Project: Spark > Issue Type: Bug > Components: Spark Core > Affects Versions: 2.4.4 > Reporter: feiwang > Assignee: feiwang > Priority: Major > Attachments: image-2019-09-11-15-09-22-912.png, > image-2019-09-11-15-10-25-326.png, screenshot-1.png > > > As shown in the attachment, we set spark.history.fs.numReplayThreads=30 for > spark history server. > However, there is only one replay thread work because of straggler. > Let's check the code. > https://github.com/apache/spark/blob/7f36cd2aa5e066a807d498b8c51645b136f08a75/core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala#L509-L547 > There is a synchronous operation for all replay tasks. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org