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https://issues.apache.org/jira/browse/HBASE-12554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14221750#comment-14221750
]
Hudson commented on HBASE-12554:
--------------------------------
FAILURE: Integrated in HBase-TRUNK #5810 (See
[https://builds.apache.org/job/HBase-TRUNK/5810/])
HBASE-12554 TestBaseLoadBalancer may timeout due to lengthy rack lookup (tedyu:
rev 7ee4df600bb7ec8d794dd3b4ab2cb933ab15b988)
*
hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.java
> TestBaseLoadBalancer may timeout due to lengthy rack lookup
> -----------------------------------------------------------
>
> Key: HBASE-12554
> URL: https://issues.apache.org/jira/browse/HBASE-12554
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Assignee: Ted Yu
> Fix For: 2.0.0, 0.99.2
>
> Attachments: 12554-v1.txt, 12554-v2.txt, 12554-v3.txt, 12554-v4.txt,
> 12554-v5.txt
>
>
> Here is one of the recent occurrences
> (https://builds.apache.org/job/PreCommit-HBASE-Build/11778/console):
> {code}
> testImmediateAssignment(org.apache.hadoop.hbase.master.balancer.TestBaseLoadBalancer)
> Time elapsed: 30.019 sec <<< ERROR!
> java.lang.Exception: test timed out after 30000 milliseconds
> at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
> at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
> at
> java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1293)
> at java.net.InetAddress.getAllByName0(InetAddress.java:1246)
> at java.net.InetAddress.getAllByName(InetAddress.java:1162)
> at java.net.InetAddress.getAllByName(InetAddress.java:1098)
> at java.net.InetAddress.getByName(InetAddress.java:1048)
> at org.apache.hadoop.net.NetUtils.normalizeHostName(NetUtils.java:561)
> at org.apache.hadoop.net.NetUtils.normalizeHostNames(NetUtils.java:578)
> at
> org.apache.hadoop.net.CachedDNSToSwitchMapping.resolve(CachedDNSToSwitchMapping.java:109)
> at
> org.apache.hadoop.hbase.master.RackManager.getRack(RackManager.java:66)
> at
> org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.<init>(BaseLoadBalancer.java:273)
> at
> org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.createCluster(BaseLoadBalancer.java:1113)
> at
> org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.randomAssignment(BaseLoadBalancer.java:1175)
> at
> org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.immediateAssignment(BaseLoadBalancer.java:1145)
> at
> org.apache.hadoop.hbase.master.balancer.TestBaseLoadBalancer.testImmediateAssignment(TestBaseLoadBalancer.java:136)
> {code}
> One possible fix is to submit CachedDNSToSwitchMapping.resolve() to executor
> pool for execution. RackManager.getRack() can set a timeout beyond which
> UNKNOWN_RACK is returned.
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