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From "Biju Nair (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-10643) Failure in RS when using large size bucketcache
Date Fri, 28 Feb 2014 20:16:21 GMT
Biju Nair created HBASE-10643:
---------------------------------

             Summary: Failure in RS when using large size bucketcache
                 Key: HBASE-10643
                 URL: https://issues.apache.org/jira/browse/HBASE-10643
             Project: HBase
          Issue Type: Bug
          Components: regionserver
            Reporter: Biju Nair


When RS is brought up with XX:MaxDirectMemorySize of 22GB or higher, RS fails after a successful
start. From the RS logs it looks like the bucketCache memory allocation is taking more time
makes the RS considered dead by ZK. One option to fix the problem would be to allocate the
bucketCache before registering with ZK. 

2014-02-28 18:54:42,967 WARN  [regionserver60020.compactionChecker] util.Sleeper: We slept
33496ms instead of 10000ms, this is likely due to a long garbage collecting pause and it's
usually bad, see http://hbase.apache.org/book.html#trouble.rs.runtime.zkexpired
2014-02-28 18:54:42,967 WARN  [regionserver60020.periodicFlusher] util.Sleeper: We slept 33496ms
instead of 10000ms, this is likely due to a long garbage collecting pause and it's usually
bad, see http://hbase.apache.org/book.html#trouble.rs.runtime.zkexpired
2014-02-28 18:54:42,967 WARN  [JvmPauseMonitor] util.JvmPauseMonitor: Detected pause in JVM
or host machine (eg GC): pause of approximately 23988ms
GC pool 'ParNew' had collection(s): count=1 time=24432ms
2014-02-28 18:54:43,006 FATAL [regionserver60020] regionserver.HRegionServer: ABORTING region
server bbg-master2.bbg-test.hdp,60020,1393628951236: org.apache.hadoop.hbase.YouAreDeadException:
Server REPORT rejected; currently processing bbg-master2.bbg-test.hdp,60020,1393628951236
as dead server
        at org.apache.hadoop.hbase.master.ServerManager.checkIsDead(ServerManager.java:341)
        at org.apache.hadoop.hbase.master.ServerManager.regionServerReport(ServerManager.java:254)



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