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Posted to dev@tephra.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/02/01 00:23:51 UTC

[jira] [Commented] (TEPHRA-212) CompactionState #savePruneUpperBoundForRegion put call might because problems if regions are not available

    [ https://issues.apache.org/jira/browse/TEPHRA-212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847770#comment-15847770 ] 

ASF GitHub Bot commented on TEPHRA-212:
---------------------------------------

Github user poornachandra commented on a diff in the pull request:

    https://github.com/apache/incubator-tephra/pull/29#discussion_r98804704
  
    --- Diff: tephra-hbase-compat-1.1-base/src/main/java/org/apache/tephra/hbase/coprocessor/TransactionProcessor.java ---
    @@ -324,9 +326,14 @@ public InternalScanner preCompactScannerOpen(ObserverContext<RegionCoprocessorEn
                                           TxConstants.TransactionPruning.DEFAULT_PRUNE_ENABLE);
             String pruneTable = conf.get(TxConstants.TransactionPruning.PRUNE_STATE_TABLE,
                                          TxConstants.TransactionPruning.DEFAULT_PRUNE_STATE_TABLE);
    -        compactionState = new CompactionState(c.getEnvironment(), TableName.valueOf(pruneTable));
    -        LOG.debug("Automatic invalid list pruning is enabled. Compaction state will be recorded in table " +
    -                    pruneTable);
    +        long pruneFlushInterval = TimeUnit.SECONDS.toMillis(
    --- End diff --
    
    This line, and the line above getting `pruneTable` can also move into the if condition, right?


> CompactionState #savePruneUpperBoundForRegion put call might because problems if regions are not available
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: TEPHRA-212
>                 URL: https://issues.apache.org/jira/browse/TEPHRA-212
>             Project: Tephra
>          Issue Type: Bug
>    Affects Versions: 0.11.0-incubating
>            Reporter: Gokul Gunasekaran
>            Assignee: Gokul Gunasekaran
>             Fix For: 0.11.0-incubating
>
>
> If the regions corresponding to prune state table are not available, trying to do a put to that table might cause multiple retries etc and might cause issues. Instead of doing this write in a synchronous fashion, this should be done asynchronously.



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