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From "Chia-Ping Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-19496) Reusing the ByteBuffer in rpc layer corrupt the ServerLoad and RegionLoad
Date Tue, 12 Dec 2017 10:00:02 GMT
Chia-Ping Tsai created HBASE-19496:
--------------------------------------

             Summary: Reusing the ByteBuffer in rpc layer corrupt the ServerLoad and RegionLoad
                 Key: HBASE-19496
                 URL: https://issues.apache.org/jira/browse/HBASE-19496
             Project: HBase
          Issue Type: Bug
            Reporter: Chia-Ping Tsai
            Assignee: Chia-Ping Tsai
            Priority: Blocker
             Fix For: 2.0.0-beta-1


{{ServerLoad}} and {{RegionLoad}} store the pb object internally but the bytebuffer of pb
object may be reused in rpc layer. Hence, the {{ServerLoad}} and {{RegionLoad}} which saved
by {{HMaster}} will be corrupted if the bytebuffer backed is modified.

This issue doesn't happen on branch-1.
# netty server was introduced in 2.0 (see HBASE-17263)
# reusing bytebuffer to read RPC requests was introduced in 2.0 (see HBASE-15788)




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