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https://issues.apache.org/jira/browse/HBASE-4916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13174473#comment-13174473
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Phabricator commented on HBASE-4916:
------------------------------------
jdcryans has commented on the revision "HBASE-4916 [jira] LoadTest MR Job".
Doing further testing, I got this while running an online merge (that took
1721 seconds to run because it counts parent regions):
Exception in thread "pool-2-thread-186" java.lang.NullPointerException
at
org.apache.hadoop.hbase.loadtest.RandomDataGenerator.verify(RandomDataGenerator.java:106)
at
org.apache.hadoop.hbase.loadtest.GetOperation.postAction(GetOperation.java:45)
at org.apache.hadoop.hbase.loadtest.Operation.run(Operation.java:126)
at
org.apache.hadoop.hbase.loadtest.Workload$Executor$BoundedExecutor$1.run(Workload.java:269)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
REVISION DETAIL
https://reviews.facebook.net/D741
> LoadTest MR Job
> ---------------
>
> Key: HBASE-4916
> URL: https://issues.apache.org/jira/browse/HBASE-4916
> Project: HBase
> Issue Type: Sub-task
> Components: client, regionserver
> Reporter: Nicolas Spiegelberg
> Assignee: Christopher Gist
> Fix For: 0.94.0
>
> Attachments: HBASE-4916.D741.1.patch
>
>
> Add a script to start a streaming map-reduce job where each map tasks runs an
> instance of the load tester for a partition of the key-space. Ensure that the
> load tester takes a parameter indicating the start key for write operations.
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