bharatviswa504 opened a new pull request #89: HDDS-2322. DoubleBuffer flush termination and OM shutdown's after that. Make entry returned from cache a new copy. URL: https://github.com/apache/hadoop-ozone/pull/89 ## What changes were proposed in this pull request? Whenever value is returned from cache, it returns a copy object. So, that when doubleBuffer flushes, we don't see random ConcurrentModificationException errors like this. ## What is the link to the Apache JIRA https://issues.apache.org/jira/browse/HDDS-2322 Please replace this section with the link to the Apache JIRA) Ran freon tests with 100K Keys multiple times, now I am not seeing the error given in Jira description. Without this patch, we will see the error. (If you are not seeing error run multiple times in non-HA or just enable ozone.om.ratis.enable, and you will see the error in the first run) **Command used for testing:** ozone freon rk --numOfBuckets=1 --numOfVolumes=1 --numOfKeys=100000 --keySize=0
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