[jira] [Created] (HDFS-17508) RBF: MembershipStateStore can overwrite valid records when refreshing the local cache

["Danny Becker (Jira)" <ji...@apache.org>]

Danny Becker created HDFS-17508:
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             Summary: RBF: MembershipStateStore can overwrite valid records when refreshing the local cache
                 Key: HDFS-17508
                 URL: https://issues.apache.org/jira/browse/HDFS-17508
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: rbf
    Affects Versions: 3.3.4
            Reporter: Danny Becker


When the MembershipStore refreshes its cache, it will also call the overrideExpiredRecords() method, which will write the Expired state back to the state store. Due to a race condition this logic can overwrite valid records. overrideExpiredRecords should first check if the state of the record is already set to "EXPIRED" before it writes the record to the state store.



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