[jira] [Commented] (HBASE-16455) Provide API for obtaining all the WAL files

["Hudson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-16455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15430457#comment-15430457 ] 

Hudson commented on HBASE-16455:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #1460 (See [https://builds.apache.org/job/HBase-Trunk_matrix/1460/])
HBASE-16455 Provide API for obtaining all the WAL files (tedyu: rev f174fec391f604f56c12cbc3ad6062d7fe640866)
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/AbstractFSWAL.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/wal/AbstractFSWALProvider.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALProvider.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALFactory.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/wal/RegionGroupingProvider.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/MockRegionServerServices.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/wal/IOTestProvider.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionServerServices.java


> Provide API for obtaining all the WAL files
> -------------------------------------------
>
>                 Key: HBASE-16455
>                 URL: https://issues.apache.org/jira/browse/HBASE-16455
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: 16455.branch-1.v4.txt, 16455.branch-1.v5.txt, 16455.v1.txt, 16455.v2.txt, 16455.v3.txt, 16455.v4.txt, 16455.v5.txt
>
>
> Currently RegionServerServices has the following API:
> {code}
>   WAL getWAL(HRegionInfo regionInfo) throws IOException;
> {code}
> Caller can only obtain filenum for a specific WAL.
> When multi wal is in use, we should add API for obtaining highest file number among all the outstanding WAL files.
> User can pass null to getWAL() method above, but the filenum for the returned WAL may not be the highest among all the WAL files.
> See log snippet in the first comment.



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