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https://issues.apache.org/jira/browse/HBASE-11331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14129521#comment-14129521
]
Hudson commented on HBASE-11331:
--------------------------------
SUCCESS: Integrated in HBase-0.98-on-Hadoop-1.1 #483 (See
[https://builds.apache.org/job/HBase-0.98-on-Hadoop-1.1/483/])
HBASE-11331 [blockcache] lazy block decompression (ndimiduk: rev
b8851309e0ff1e04a3a0abd5fbad6d1868a151bc)
*
hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/regionserver/BlockCacheTmpl.jamon
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheConfig.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFile.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockCompatibility.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheOnWrite.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileWriterV3.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileWriterV2.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestChecksum.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestLazyDataBlockDecompression.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileEncryption.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestForceCacheImportantBlocks.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderV2.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileWriterV2.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlock.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java
* hbase-common/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileContext.java
> [blockcache] lazy block decompression
> -------------------------------------
>
> Key: HBASE-11331
> URL: https://issues.apache.org/jira/browse/HBASE-11331
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Nick Dimiduk
> Assignee: Nick Dimiduk
> Fix For: 2.0.0, 0.98.7, 0.99.1
>
> Attachments: HBASE-11331.00.patch, HBASE-11331.01.patch,
> HBASE-11331.02.patch, HBASE-11331.03.patch, HBASE-11331.04.patch,
> HBASE-11331.05-0.98.patch, HBASE-11331.05.patch, HBASE-11331.06-0.98.patch,
> HBASE-11331.06.patch, HBASE-11331.07-0.98.patch, HBASE-11331.07.patch,
> HBASE-11331LazyBlockDecompressperfcompare.pdf,
> hbase-hbase-master-hor17n36.gq1.ygridcore.net.log, lazy-decompress.02.0.pdf,
> lazy-decompress.02.1.json, lazy-decompress.02.1.pdf, v03-20g-045g-false.pdf,
> v03-20g-045g-true-16h.pdf, v03-20g-045g-true.pdf
>
>
> Maintaining data in its compressed form in the block cache will greatly
> increase our effective blockcache size and should show a meaning improvement
> in cache hit rates in well designed applications. The idea here is to lazily
> decompress/decrypt blocks when they're consumed, rather than as soon as
> they're pulled off of disk.
> This is related to but less invasive than HBASE-8894.
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