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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11762) Record the class name of Codec in WAL header
Date Tue, 19 Aug 2014 08:59:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14102037#comment-14102037
] 

Hudson commented on HBASE-11762:
--------------------------------

FAILURE: Integrated in HBase-TRUNK #5409 (See [https://builds.apache.org/job/HBase-TRUNK/5409/])
HBASE-11762 Record the class name of Codec in WAL header (tedyu: rev fd4dfb489aa4100b9bd204ad70e4ae590db93b32)
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SecureProtobufLogReader.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestCustomWALCellCodec.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestHLogReaderOnSecureHLog.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SecureProtobufLogWriter.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ReaderBase.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogReader.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SequenceFileLogReader.java
* hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/WALProtos.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.java
* hbase-protocol/src/main/protobuf/WAL.proto
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogWriter.java


> Record the class name of Codec in WAL header
> --------------------------------------------
>
>                 Key: HBASE-11762
>                 URL: https://issues.apache.org/jira/browse/HBASE-11762
>             Project: HBase
>          Issue Type: Task
>          Components: wal
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 1.0.0, 2.0.0, 0.98.6
>
>         Attachments: 11762-0.98.txt, 11762-v1.txt, 11762-v2.txt, 11762-v4.txt, 11762-v5.txt,
11762-v6.txt
>
>
> In follow-up discussion to HBASE-11620, Enis brought up this point:
> Related to this, should not we also write the CellCodec that we use in the WAL header.
Right now, the codec comes from the configuration which means that you cannot read back the
WAL files if you change the codec.
> This JIRA is to implement the above suggestion.



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