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https://issues.apache.org/jira/browse/HBASE-4519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13118674#comment-13118674
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stack commented on HBASE-4519:
------------------------------
I tried it and these failed:
{code}
Failed tests:
testOnlineChangeTableSchema(org.apache.hadoop.hbase.client.TestAdmin)
testForceSplitMultiFamily(org.apache.hadoop.hbase.client.TestAdmin):
expected:<2> but was:<1>
testMergeTool(org.apache.hadoop.hbase.util.TestMergeTool): 'merging regions 0
and 1' failed with errCode -1
testResetZooKeeperSession(org.apache.hadoop.hbase.replication.TestReplicationPeer):
ReplicationPeer ZooKeeper session was not properly expired.
{code}
The TestReplicationPeer might be related.
> 25s sleep when expiring sessions in tests
> -----------------------------------------
>
> Key: HBASE-4519
> URL: https://issues.apache.org/jira/browse/HBASE-4519
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.90.4
> Reporter: Jean-Daniel Cryans
> Fix For: 0.92.0
>
>
> There's a hardcoded 25 seconds sleep in HBaseTestingUtility.expireSession:
> {code}
> int sessionTimeout = 5 * 1000; // 5 seconds
> ...
> final long sleep = sessionTimeout * 5L;
> LOG.info("ZK Closed Session 0x" + Long.toHexString(sessionID) +
> "; sleeping=" + sleep);
> Thread.sleep(sleep);
> {code}
> I'm pretty sure this can be lowered at lot, and it would speed up a couple of
> tests. The only thing I'm afraid of is if this was made to accomodate flaky
> tests.
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