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https://issues.apache.org/jira/browse/HBASE-20589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16482279#comment-16482279
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Guanghao Zhang commented on HBASE-20589:
----------------------------------------
I add two log in HRegionServer#tryRegionServerReport. The RS's host name is
{color:#FF0000}hao-OptiPlex-7050{color} but the host it reported to master is
{color:#FF0000}hao-optiplex-7050{color}.
{code:java}
RegionServerReportRequest.Builder request =
RegionServerReportRequest.newBuilder();
+ LOG.info("Server name is " + this.serverName + " host is " +
this.serverName.getHostname());
ServerName sn =
ServerName.parseVersionedServerName(this.serverName.getVersionedBytes());
+ LOG.info("Try region server report server name is " + sn + " host is " +
sn.getHostname());
request.setServer(ProtobufUtil.toServerName(sn));
{code}
2018-05-21 14:16:58,084 INFO [RS:1;hao-OptiPlex-7050:46818]
regionserver.HRegionServer(1194): Server name is
hao-optiplex-7050,46818,1526883412677 host is
{color:#FF0000}hao-OptiPlex-7050{color}
2018-05-21 14:16:58,084 INFO [RS:1;hao-OptiPlex-7050:46818]
regionserver.HRegionServer(1196): Try region server report server name is
hao-optiplex-7050,46818,1526883412677 host is
{color:#FF0000}hao-optiplex-7050{color}
> Don't need to assign meta to a new RS when standby master become active
> -----------------------------------------------------------------------
>
> Key: HBASE-20589
> URL: https://issues.apache.org/jira/browse/HBASE-20589
> Project: HBase
> Issue Type: Bug
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Priority: Major
> Attachments: HBASE-20589.master.001.patch,
> HBASE-20589.master.002.patch, HBASE-20589.master.003.patch,
> HBASE-20589.master.003.patch, HBASE-20589.master.004.patch,
> HBASE-20589.master.005.patch
>
>
> I found this problem when I write ut for HBASE-20569. Now the master
> finishActiveMasterInitialization introduce a new
> RecoverMetaProcedure(HBASE-18261) and it has a sub procedure AssignProcedure.
> AssignProcedure will skip assign a region when regions state is OPEN and
> server is online. But for the new regiog state node is created with state
> OFFLINE. So it will assign the meta to a new RS. And kill the old RS when old
> RS report to master. This will make the master initialization cost a long
> time. I will attatch a ut to show this. FYI [~stack]
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