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https://issues.apache.org/jira/browse/HBASE-10434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13885890#comment-13885890
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Hudson commented on HBASE-10434:
--------------------------------
SUCCESS: Integrated in HBase-0.98 #115 (See
[https://builds.apache.org/job/HBase-0.98/115/])
HBASE-10434 Store Tag compression information for a WAL in its header (Anoop
Sam John) (apurtell: rev 1562570)
*
/hbase/branches/0.98/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/WALProtos.java
* /hbase/branches/0.98/hbase-protocol/src/main/protobuf/WAL.proto
*
/hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/CompressionContext.java
*
/hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogReader.java
*
/hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogWriter.java
*
/hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ReaderBase.java
*
/hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SequenceFileLogReader.java
*
/hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WriterBase.java
*
/hbase/branches/0.98/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestKeyValueCompression.java
*
/hbase/branches/0.98/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALCellCodecWithCompression.java
> Store Tag compression information for a WAL in its header
> ---------------------------------------------------------
>
> Key: HBASE-10434
> URL: https://issues.apache.org/jira/browse/HBASE-10434
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.0
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 0.98.0, 0.99.0
>
> Attachments: HBASE-10434.patch
>
>
> We can enable/disable tag compression along with WAL compression using the
> config,
> hbase.regionserver.wal.tags.enablecompression -> Defaults to true so that
> compress tags when WAL compress is ON.
> We are not storing this info abt whether a WAL containing compressed tags or
> not in the WAL header and use that in the read path. So dynamic change of
> this in some servers may cause issue when an RS having this value as true
> have to read and split a WAL generated from n RS where this value was false.
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