fangfengbin created SPARK-21078:
-----------------------------------
Summary: JobHistory applications synchronized is invalid
Key: SPARK-21078
URL: https://issues.apache.org/jira/browse/SPARK-21078
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.1.1
Reporter: fangfengbin
FsHistoryProvider has some threads to mergeApplicationListing.
mergeApplicationListing function has code like this:
applications.synchronized {
...
applications = mergedApps
...
}
applications object is changed, so the synchronized do not work.
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