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https://issues.apache.org/jira/browse/HBASE-4089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14034880#comment-14034880
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Hudson commented on HBASE-4089:
-------------------------------
SUCCESS: Integrated in HBase-0.98 #345 (See
[https://builds.apache.org/job/HBase-0.98/345/])
HBASE-11366 Backport HBASE-4089 (block cache contents report UI) to 0.98
(stack: rev da94cd398f9a0b1dc8d601a894314559e4f0939f)
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.java
* pom.xml
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileBlockCacheSummary.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/RandomSeek.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CombinedBlockCache.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheKey.java
* hbase-server/src/main/resources/hbase-webapps/master/snapshot.jsp
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CachedBlock.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/io/TestHeapSize.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/StateDumpServlet.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheStats.java
*
hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/regionserver/BlockCacheViewTmpl.jamon
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/BucketCacheStats.java
* hbase-server/src/main/resources/hbase-webapps/master/zk.jsp
*
hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/regionserver/BlockCacheTmpl.jamon
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruCachedBlock.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/ReplicationSourceDummy.java
*
hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/MasterStatusTmpl.jamon
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/slab/SlabCache.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/SimpleBlockCache.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestLruBlockCache.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSStatusServlet.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCachedBlockQueue.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CachedBlockQueue.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestBlockCacheColumnFamilySummary.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/FileIOEngine.java
* hbase-server/src/main/resources/hbase-webapps/master/tablesDetailed.jsp
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockPriority.java
*
hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/regionserver/RSStatusTmpl.jamon
* hbase-server/src/main/resources/hbase-webapps/master/table.jsp
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/slab/SingleSizeCache.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCachesIterator.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCache.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruCachedBlockQueue.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/BlockCacheColumnFamilySummary.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/DoubleBlockCache.java
*
hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/regionserver/ServerMetricsTmpl.jamon
> blockCache contents report
> --------------------------
>
> Key: HBASE-4089
> URL: https://issues.apache.org/jira/browse/HBASE-4089
> Project: HBase
> Issue Type: New Feature
> Reporter: Doug Meil
> Assignee: stack
> Fix For: 0.99.0
>
> Attachments: 4089.wip.txt, 4089.wip.v2.txt, 4089v3.txt, 4089v4.txt,
> 4089v6.txt, 4089v7.txt, 4089v7.txt, 4089v8.txt, bc_basic.png,
> bc_bucketcache.png, bc_buckets.png, bc_config.png, bc_l1.png,
> bc_l2_buckets.png, bc_showing_buckets_start.png, bc_slabs.png, bc_slabs.png,
> bc_stats.png, hbase_4089_blockcachereport.pdf,
> java_blockcache_checkpoint_2011_08_11.patch
>
>
> Summarized block-cache report for a RegionServer would be helpful. For
> example ...
> table1
> cf1 100 blocks, totalBytes=yyyyy, averageTimeInCache=XXXX hours
> cf2 200 blocks, totalBytes=zzzzz, averageTimeInCache=XXXX hours
> table2
> cf1 75 blocks, totalBytes=yyyyy, averageTimeInCache=XXXX hours
> cf2 150 blocks, totalBytes=zzzzz, averageTimeInCache=XXXX hours
> ... Etc.
> The current metrics list blockCacheSize and blockCacheFree, but there is no
> way to know what's in there. Any single block isn't really important, but
> the patterns of what CF/Table they came from, how big are they, and how long
> (on average) they've been in the cache, are important.
> No such interface exists in HRegionInterface. But I think it would be
> helpful from an operational perspective.
> Updated (7-29): Removing suggestion for UI. I would be happy just to get
> this report on a configured interval dumped to a log file.
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