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https://issues.apache.org/jira/browse/HBASE-12295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14635585#comment-14635585
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Hudson commented on HBASE-12295:
--------------------------------
FAILURE: Integrated in HBase-TRUNK #6669 (See
[https://builds.apache.org/job/HBase-TRUNK/6669/])
HBASE-12295 Prevent block eviction under us if reads are in progress from
(ramkrishna: rev ccb22bd80dfae64ff27f660254afb224dce268f0)
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/bucket/TestByteBufferIOEngine.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerHeartbeatMessages.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFile.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockIndex.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CompoundBloomFilter.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestBlockEvictionFromClient.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/MemcachedBlockCache.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ReversedRegionScannerImpl.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.java
*
hbase-common/src/main/java/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/IOEngine.java
*
hbase-common/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileContextBuilder.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreFile.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/ByteBufferIOEngine.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CombinedBlockCache.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/CacheTestUtils.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
* hbase-common/src/main/java/org/apache/hadoop/hbase/ShareableMemory.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/HFileBlockIndex.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestLruBlockCache.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCache.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFile.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheableDeserializer.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheOnWrite.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCachedBlockQueue.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/KeyValueHeap.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/Cacheable.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlock.java
* hbase-common/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileContext.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/bucket/TestFileIOEngine.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/FileIOEngine.java
> Prevent block eviction under us if reads are in progress from the BBs
> ---------------------------------------------------------------------
>
> Key: HBASE-12295
> URL: https://issues.apache.org/jira/browse/HBASE-12295
> Project: HBase
> Issue Type: Sub-task
> Components: regionserver, Scanners
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Fix For: 2.0.0
>
> Attachments: HBASE-12295.pdf, HBASE-12295_1.patch, HBASE-12295_1.pdf,
> HBASE-12295_10.patch, HBASE-12295_12.patch, HBASE-12295_14.patch,
> HBASE-12295_15.patch, HBASE-12295_16.patch, HBASE-12295_16.patch,
> HBASE-12295_17.patch, HBASE-12295_18.patch, HBASE-12295_2.patch,
> HBASE-12295_21.patch, HBASE-12295_4.patch, HBASE-12295_4.pdf,
> HBASE-12295_5.pdf, HBASE-12295_9.patch, HBASE-12295_final.patch,
> HBASE-12295_trunk.patch
>
>
> While we try to serve the reads from the BBs directly from the block cache,
> we need to ensure that the blocks does not get evicted under us while
> reading. This JIRA is to discuss and implement a strategy for the same.
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