[ https://issues.apache.org/jira/browse/SPARK-34125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
dzcxzl updated SPARK-34125: --------------------------- Description: 2.x version of history server EventLoggingListener.codecMap is of type mutable.HashMap, which is not thread safe This will cause the history server to suddenly get stuck and not work. The 3.x version was changed to EventLogFileReader.codecMap to ConcurrentHashMap type, so there is no such problem. PID 117049 0x1c939 !top.png! !jstack.png! was: 2.x version of history server EventLoggingListener.codecMap is of type mutable.HashMap, which is not thread safe This will cause the history server to suddenly get stuck and not work. The 3.x version was changed to EventLogFileReader.codecMap to ConcurrentHashMap type, so there is no such problem. > Make EventLoggingListener.codecMap thread-safe > ---------------------------------------------- > > Key: SPARK-34125 > URL: https://issues.apache.org/jira/browse/SPARK-34125 > Project: Spark > Issue Type: Bug > Components: Spark Core > Affects Versions: 2.4.7 > Reporter: dzcxzl > Priority: Trivial > Attachments: jstack.png, top.png > > > 2.x version of history server > EventLoggingListener.codecMap is of type mutable.HashMap, which is not > thread safe > This will cause the history server to suddenly get stuck and not work. > The 3.x version was changed to EventLogFileReader.codecMap to > ConcurrentHashMap type, so there is no such problem. > PID 117049 0x1c939 > !top.png! > > !jstack.png! > > > -- 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