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Date: Mon, 4 Dec 2017 11:10:00 +0000 (UTC)
From: "Chia-Ping Tsai (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.13122496.1512368285000.377344.1512385800064@Atlassian.JIRA>
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Subject: [jira] [Commented] (HBASE-19415) Backport HBASE-19056 to branch-1.x
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archived-at: Mon, 04 Dec 2017 11:10:05 -0000


    [ https://issues.apache.org/jira/browse/HBASE-19415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276627#comment-16276627 ] 

Chia-Ping Tsai commented on HBASE-19415:
----------------------------------------

The story in branch-1 is similar with master. The reassign will generate the put request to update user table info in meta table. The put request about the user table info will be sent to the suspended rs (the wal sync make rs kill itself) since the rs taking over the region from suspend rs doesn't update it's region cache before submitting the request.
{code:title=HRegionServer.java}
  @Override
  public void postOpenDeployTasks(final PostOpenDeployContext context)
      throws KeeperException, IOException {
    ...
        // Update ZK, or META
    if (r.getRegionInfo().isMetaRegion()) {
      MetaTableLocator.setMetaLocation(getZooKeeper(), serverName, r.getRegionInfo().getReplicaId(),
         State.OPEN);
    } else if (useZKForAssignment) {
      MetaTableAccessor.updateRegionLocation(getConnection(), r.getRegionInfo(),
        this.serverName, openSeqNum, masterSystemTime);
    }
    if (!useZKForAssignment && !reportRegionStateTransition(new RegionStateTransitionContext(
        TransitionCode.OPENED, openSeqNum, masterSystemTime, r.getRegionInfo()))) {
      throw new IOException("Failed to report opened region to master: "
        + r.getRegionInfo().getRegionNameAsString());
    }
    ...
  }
{code}

Looped the tests with [~tedyu]'s solution 50 times. All pass. [~tedyu] Do you want to take this over? Or I can do the backport if you have no free cycle.

> Backport HBASE-19056 to branch-1.x
> ----------------------------------
>
>                 Key: HBASE-19415
>                 URL: https://issues.apache.org/jira/browse/HBASE-19415
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 1.4.0, 1.5.0
>            Reporter: Duo Zhang
>


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