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Posted to hdfs-dev@hadoop.apache.org by "Bharat Viswanadham (Jira)" <ji...@apache.org> on 2019/10/21 21:14:00 UTC

[jira] [Created] (HDDS-2343) Add immutable entries in to the DoubleBuffer.

Bharat Viswanadham created HDDS-2343:
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             Summary: Add immutable entries in to the DoubleBuffer.
                 Key: HDDS-2343
                 URL: https://issues.apache.org/jira/browse/HDDS-2343
             Project: Hadoop Distributed Data Store
          Issue Type: Task
            Reporter: Bharat Viswanadham
            Assignee: Bharat Viswanadham


OMBucketCreateRequest.java L181:

omClientResponse =
 new OMBucketCreateResponse(omBucketInfo,
 omResponse.build());

 

We add this to double-buffer, and double-buffer flushThread which is running in the background when picks up, converts to protoBuf and to ByteArray and write to rocksDB tables. So, during this conversion, if any other request changes internal structure(like acls list) of OMBucketInfo we might get ConcurrentModificationException.

 



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