[ https://issues.apache.org/jira/browse/SPARK-21223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16064676#comment-16064676 ]
Sean Owen commented on SPARK-21223: ----------------------------------- [~gostop_zlx] this overlaps a lot with SPARK-21078. Can you look at that one and possibly address the comment there too? > Thread-safety issue in FsHistoryProvider > ----------------------------------------- > > Key: SPARK-21223 > URL: https://issues.apache.org/jira/browse/SPARK-21223 > Project: Spark > Issue Type: Bug > Components: Spark Core > Affects Versions: 2.1.1 > Reporter: zenglinxi > > Currently, Spark HistoryServer use a HashMap named fileToAppInfo in class > FsHistoryProvider to store the map of eventlog path and attemptInfo. > When use ThreadPool to Replay the log files in the list and merge the list of > old applications with new ones, multi thread may update fileToAppInfo at the > same time, which may cause Thread-safety issues. > {code:java} > for (file <- logInfos) { > tasks += replayExecutor.submit(new Runnable { > override def run(): Unit = mergeApplicationListing(file) > }) > } > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org