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[HBASE-9810] Global memstore size will be calculated wrongly if replaying recovered edits throws exception - HBase - [issue]
...Recently we encountered such a case in 0.94-version:Flush is triggered frequently because:DEBUG org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Flush thread woke up because memory abov...
http://issues.apache.org/jira/browse/HBASE-9810    Author: chunhui shen, 2015-04-28, 17:18
[HBASE-6877] Coprocessor exec result is incorrect when region is in splitting - HBase - [issue]
...When we execute the coprocessor, we will called HTable#getStartKeysInRange first and get the Keys to exec coprocessor,if then some regions are split before execCoprocessor RPC, the Keys are ...
http://issues.apache.org/jira/browse/HBASE-6877    Author: chunhui shen, 2015-03-09, 13:44
[HBASE-5981] Change the log level from FATAL to WARN when failed syncing or appending - HBase - [issue]
...LOG.fatal("Could not append. Requesting close of hlog", e);LOG.fatal("Could not sync. Requesting close of hlog", e);Since we don't abort regionserver here, should we change the log level fro...
http://issues.apache.org/jira/browse/HBASE-5981    Author: chunhui shen, 2015-01-07, 15:10
[HBASE-5949] We needn't add splitParent region to assignment map when rebuildUserRegions - HBase - [issue]
...In current AssignmentManager#rebuildUserRegions, we will add splitParent region to assignment map.When doing balance, the splitParent region will be always in RIT because no server is carryi...
http://issues.apache.org/jira/browse/HBASE-5949    Author: chunhui shen, 2015-01-07, 14:09
[HBASE-5571] Table will be disabling forever - HBase - [issue]
...If we restart master when it is disabling one table, the table will be disabling forever.In current logic, Region CLOSE RPC will always returned NotServingRegionException because RS has alre...
http://issues.apache.org/jira/browse/HBASE-5571    Author: chunhui shen, 2015-01-07, 13:49
[HBASE-5528] Change retrying splitting log forever  if throws IOException to numbered times, and abort master when retries exhausted - HBase - [issue]
...In current log-splitting retry logic, it will retry forever if throws IOException, I think we'd better change it to numbered times, and abort master when retries exhausted....
http://issues.apache.org/jira/browse/HBASE-5528    Author: chunhui shen, 2015-01-07, 13:46
[HBASE-11234] FastDiffDeltaEncoder#getFirstKeyInBlock returns wrong result - HBase - [issue]
...As Ted found, With this change:Index: hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestReversibleScanners.java=============================================================...
http://issues.apache.org/jira/browse/HBASE-11234    Author: chunhui shen, 2014-07-11, 07:26
[HBASE-7404] Bucket Cache:A solution about CMS,Heap Fragment and Big Cache on HBASE - HBase - [issue]
...First, thanks @neil from Fusion-IO share the source code.Usage:1.Use bucket cache as main memory cache, configured as the following:–"hbase.bucketcache.ioengine" "heap" (or "offheap" if usin...
http://issues.apache.org/jira/browse/HBASE-7404    Author: chunhui shen, 2014-05-19, 17:41
[HBASE-6466] Enable multi-thread for memstore flush - HBase - [issue]
...If the KV is large or Hlog is closed with high-pressure putting, we found memstore is often above the high water mark and block the putting.So should we enable multi-thread for Memstore Flus...
http://issues.apache.org/jira/browse/HBASE-6466    Author: chunhui shen, 2014-04-17, 11:15
[HBASE-7403] Online Merge - HBase - [issue]
...Support executing region merge transaction on Regionserver, similar with split transactionProcess of merging two regions:a.client sends RPC (dispatch merging regions) to masterb.master moves...
http://issues.apache.org/jira/browse/HBASE-7403    Author: chunhui shen, 2014-04-06, 17:51
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB