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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13450) Purge RawBytescomparator from the writers and readers for HBASE-10800
Date Fri, 24 Apr 2015 13:55:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14511094#comment-14511094
] 

Hudson commented on HBASE-13450:
--------------------------------

SUCCESS: Integrated in HBase-TRUNK #6407 (See [https://builds.apache.org/job/HBase-TRUNK/6407/])
HBASE-13450 - Purge RawBytescomparator from the writers and readers for (ramkrishna: rev a4fa930843896f6c134fe9372e75e79b03611d73)
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/BloomFilterFactory.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/CompoundBloomFilter.java
* hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/CompoundBloomFilterWriter.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/CompoundBloomFilterBase.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreFile.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/ByteBloomFilter.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/BloomFilterBase.java
HBASE-13450 - Addendum to remove an Unused import (ramkrishna: rev 40a80c1fe0b4cf8d64ada406f256e0e289bc9ebc)
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/BloomFilterBase.java


> Purge RawBytescomparator from the writers and readers for HBASE-10800
> ---------------------------------------------------------------------
>
>                 Key: HBASE-13450
>                 URL: https://issues.apache.org/jira/browse/HBASE-13450
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 2.0.0
>
>         Attachments: HBASE-13450.patch, HBASE-13450_2.patch, HBASE-13450_3.patch, HBASE-13450_4.patch,
HBASE-13450_5.patch
>
>
> Currently KeyValue.RAW_COMPARATOR is written in the Trailer of the HFiles.  Ideally this
need not be persisted to the trailer of the Hfiles because only the ROW bloom and the meta
index blocks uses this. Currently RAW_COMPARATOR is also of type KVComparator.
> HBASE-10800 would introduce CellComparator and would expect only cells to be compared.
 We cannot have RAW_COMPARATOR a type of CellComparator.  Hence it is better to avoid writing
the RAW_COMPARATOR to the FFT and whereever we need RAW_COMPARATOR we will directly use it
as Bytes.BYTES_RAWCOMPARATOR.



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