[jira] [Created] (PHOENIX-3806) IndexUpdateManager spending a lot of time sorting mutation on rebuild

[Lars Hofhansl (JIRA)]

Lars Hofhansl created PHOENIX-3806:
--------------------------------------

             Summary: IndexUpdateManager spending a lot of time sorting 
mutation on rebuild
                 Key: PHOENIX-3806
                 URL: https://issues.apache.org/jira/browse/PHOENIX-3806
             Project: Phoenix
          Issue Type: Bug
            Reporter: Lars Hofhansl


Here's the stack trace. The Array contains 50001 Delete Mutations in this case.
It seems the code is sorting this over and over again.

{code}
Thread 170 (B.DefaultRpcServer.handler=67,queue=7,port=60020):
  State: RUNNABLE
  Blocked count: 220598
  Waited count: 377933
  Stack:
    java.util.TimSort.binarySort(TimSort.java:296)
    java.util.TimSort.sort(TimSort.java:239)
    java.util.Arrays.sort(Arrays.java:1438)
    
org.apache.phoenix.hbase.index.covered.update.SortedCollection.iterator(SortedCollection.java:78)
    
org.apache.phoenix.hbase.index.covered.update.IndexUpdateManager.fixUpCurrentUpdates(IndexUpdateManager.java:128)
    
org.apache.phoenix.hbase.index.covered.update.IndexUpdateManager.addIndexUpdate(IndexUpdateManager.java:115)
    
org.apache.phoenix.hbase.index.covered.NonTxIndexBuilder.addCurrentStateMutationsForBatch(NonTxIndexBuilder.java:333)
    
org.apache.phoenix.hbase.index.covered.NonTxIndexBuilder.addUpdateForGivenTimestamp(NonTxIndexBuilder.java:258)
    
org.apache.phoenix.hbase.index.covered.NonTxIndexBuilder.addMutationsForBatch(NonTxIndexBuilder.java:231)
    
org.apache.phoenix.hbase.index.covered.NonTxIndexBuilder.batchMutationAndAddUpdates(NonTxIndexBuilder.java:109)
    
org.apache.phoenix.hbase.index.covered.NonTxIndexBuilder.getIndexUpdate(NonTxIndexBuilder.java:71)
    
org.apache.phoenix.hbase.index.builder.IndexBuildManager$1.call(IndexBuildManager.java:137)
    
org.apache.phoenix.hbase.index.builder.IndexBuildManager$1.call(IndexBuildManager.java:133)
    java.util.concurrent.FutureTask.run(FutureTask.java:266)
    
com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:293)
    
com.google.common.util.concurrent.AbstractListeningExecutorService.submit(AbstractListeningExecutorService.java:61)
    
org.apache.phoenix.hbase.index.parallel.BaseTaskRunner.submit(BaseTaskRunner.java:58)
    
org.apache.phoenix.hbase.index.parallel.BaseTaskRunner.submitUninterruptible(BaseTaskRunner.java:99)
    
org.apache.phoenix.hbase.index.builder.IndexBuildManager.getIndexUpdate(IndexBuildManager.java:144)
    
org.apache.phoenix.hbase.index.Indexer.preBatchMutateWithExceptions(Indexer.java:324)
Thread 169 (B.DefaultRpcServer.handler=66,queue=6,port=60020):
{code}

[~jamestaylor]



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)