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https://issues.apache.org/jira/browse/HBASE-6853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471365#comment-13471365
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Lars Hofhansl commented on HBASE-6853:
--------------------------------------
Actually, I do see the test failing with assertions every (without environment
issues):
*
https://builds.apache.org/job/HBase-0.94/533/testReport/org.apache.hadoop.hbase.regionserver/TestSplitTransactionOnCluster/testShouldThrowIOExceptionIfStoreFileSizeIsEmptyAndSHouldSuccessfullyExecuteRollback/
*
https://builds.apache.org/job/HBase-0.94/532/testReport/junit/org.apache.hadoop.hbase.regionserver/TestSplitTransactionOnCluster/testShouldThrowIOExceptionIfStoreFileSizeIsEmptyAndSHouldSuccessfullyExecuteRollback/
Ram or Priyadarshini: Do you think you have time to look at these (it's not
blocking the RC, I think, so it's not urgent)?
> IllegalArgument Exception is thrown when an empty region is spliitted.
> ----------------------------------------------------------------------
>
> Key: HBASE-6853
> URL: https://issues.apache.org/jira/browse/HBASE-6853
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.1, 0.94.1
> Reporter: ramkrishna.s.vasudevan
> Assignee: Priyadarshini
> Fix For: 0.94.2, 0.96.0
>
> Attachments: HBASE-6853_2_splitsuccess.patch, HBASE-6853.patch,
> HBASE-6853_splitfailure.patch
>
>
> This is w.r.t a mail sent in the dev mail list.
> Empty region split should be handled gracefully. Either we should not allow
> the split to happen if we know that the region is empty or we should allow
> the split to happen by setting the no of threads to the thread pool executor
> as 1.
> {code}
> int nbFiles = hstoreFilesToSplit.size();
> ThreadFactoryBuilder builder = new ThreadFactoryBuilder();
> builder.setNameFormat("StoreFileSplitter-%1$d");
> ThreadFactory factory = builder.build();
> ThreadPoolExecutor threadPool =
> (ThreadPoolExecutor) Executors.newFixedThreadPool(nbFiles, factory);
> List<Future<Void>> futures = new ArrayList<Future<Void>>(nbFiles);
> {code}
> Here the nbFiles needs to be a non zero positive value.
>
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