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From "Nick Dimiduk (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-11552) 2.3 stack advisor doesn't take into account HBASE-11520
Date Fri, 29 May 2015 22:46:17 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-11552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nick Dimiduk updated AMBARI-11552:
----------------------------------
    Attachment: AMBARI-11552.00.patch

Here's an untested patch.

> 2.3 stack advisor doesn't take into account HBASE-11520
> -------------------------------------------------------
>
>                 Key: AMBARI-11552
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11552
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Nick Dimiduk
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-11552.00.patch
>
>
> Launching a RS with the HDP-2.2 stack_advisor's output on a machine with lots of ram
results in
> {noformat}
> regionserver.HRegionServer: Failed init
> java.lang.OutOfMemoryError: Direct buffer memory
> at java.nio.Bits.reserveMemory(Bits.java:658)
> at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123)
> at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311)
> at org.apache.hadoop.hbase.util.ByteBufferArray.<init>(ByteBufferArray.java:65)
> at org.apache.hadoop.hbase.io.hfile.bucket.ByteBufferIOEngine.<init>(ByteBufferIOEngine.java:47)
> at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.getIOEngineFromName(BucketCache.java:309)
> at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.<init>(BucketCache.java:219)
> at org.apache.hadoop.hbase.io.hfile.CacheConfig.getBucketCache(CacheConfig.java:568)
> at org.apache.hadoop.hbase.io.hfile.CacheConfig.getL2(CacheConfig.java:511)
> at org.apache.hadoop.hbase.io.hfile.CacheConfig.instantiateBlockCache(CacheConfig.java:591)
> at org.apache.hadoop.hbase.io.hfile.CacheConfig.<init>(CacheConfig.java:231)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1349)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:896)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> HBASE-11520 introduced a subtle change in the configuration, it's release note says
> bq. Remove "hbase.bucketcache.percentage.in.combinedcache". Simplifies config of block
cache. If you are using this config., after this patch goes in, it will be ignored. The L1
LruBlockCache will be whatever hfile.block.cache.size is set to and the L2 BucketCache will
be whatever hbase.bucketcache.size is set to.



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