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https://issues.apache.org/jira/browse/HBASE-19598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16391310#comment-16391310
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Duo Zhang commented on HBASE-19598:
-----------------------------------
The problem maybe that we update the RIT metrics in a chore, the default update
interval is 5 seconds. So if we are lucky that the chore update the metrics
before we check then we are safe, otherwise we are dead.
After I added this line in the setup method
{code}
conf.setInt(AssignmentManager.RIT_CHORE_INTERVAL_MSEC_CONF_KEY, 600000);
{code}
The test fails consistently for me.
So I think we should set a small value (1000 maybe) for this value, and after
returning from the modifyTable, we sleep 2 times of the interval, and then go
to check the metrics.
What do you think [~stack]?
> Fix TestAssignmentManagerMetrics flaky test
> -------------------------------------------
>
> Key: HBASE-19598
> URL: https://issues.apache.org/jira/browse/HBASE-19598
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0-beta-1
> Reporter: Balazs Meszaros
> Assignee: stack
> Priority: Major
> Attachments: HBASE-19598.master.001.patch,
> HBASE-19598.master.002.patch, HBASE-19598.master.003.patch,
> HBASE-19598.master.003.patch, HBASE-19598.master.004.patch, TestUtil.java
>
>
> TestAssignmentManagerMetrics fails constantly. After bisecting, it seems that
> commit 010012cbcb broke it (HBASE-18946).
> The test method runs successfully, but it cannot shut the minicluster down,
> and hangs forever.
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