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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18905) Allow CPs to request flush on Region and know the completion of the requested flush
Date Wed, 25 Oct 2017 14:35:03 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16218763#comment-16218763
] 

Hudson commented on HBASE-18905:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #3948 (See [https://builds.apache.org/job/HBase-Trunk_matrix/3948/])
HBASE-18905 Allow CPs to request flush on Region and know the completion (zhangduo: rev 0b799fdbf027da6234d725b23ea92cdb77afcccd)
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegion.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/RegionObserver.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestAccessController.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestWithDisabledAuthorization.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/LogRoller.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/NoOpScanPolicyObserver.java
* (edit) hbase-examples/src/main/java/org/apache/hadoop/hbase/coprocessor/example/ZooKeeperScanPolicyObserver.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreFlusher.java
* (add) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorInterface.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitWalDataLoss.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionReplayEvents.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestFlushRegionEntry.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/DefaultStoreFlusher.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/FlushRequester.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/SimpleRegionObserver.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/AbstractTestWALReplay.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobCloneSnapshotFromClient.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverScannerOpenHook.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/Region.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHStore.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StripeStoreFlusher.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestCoprocessorScanPolicy.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverInterface.java
* (add) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestFlushLifeCycleTracker.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java


> Allow CPs to request flush on Region and know the completion of the requested flush
> -----------------------------------------------------------------------------------
>
>                 Key: HBASE-18905
>                 URL: https://issues.apache.org/jira/browse/HBASE-18905
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors
>            Reporter: Anoop Sam John
>            Assignee: Duo Zhang
>             Fix For: 2.0.0-alpha-4
>
>         Attachments: HBASE-18905-v1.patch, HBASE-18905.patch, HBASE-18905.patch
>
>
> Follow up for HBASE-18183
> As per that Jira, we keep only requestCompaction API in Region.  We did not have any
such for flush in Region.  Only API which was there is a flush which will block the callee
unless flush is done. This issue has to tacke
> 1. Decide whether we need a requestFlush in Region and if so add
> 2. Whether the requestCompaction (And requestFlush too) should return a Future?  Right
now the former do  not return any but allow to pass a CompactionLifeCycleTracker which will
get notified on start and end of compaction.



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