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[HBASE-10497] Correct wrong handling and add proper handling for swallowed InterruptedException thrown by Thread.sleep under HBase-Client/HBase-Server folders systematically - HBase - [issue]
...There are two kinds of handling problems for InterruptedException thrown by Thread.sleep in many places under HBase-Client/HBase-Server folders: Thread.currentThread.interrupt() is called wi...
http://issues.apache.org/jira/browse/HBASE-10497    Author: Feng Honghua, 2014-02-21, 00:35
[HBASE-10523] Correct wrong handling and add proper handling for swallowed InterruptedException thrown by Thread.sleep in util - HBase - [issue]
...A sub-task of HBASE-10497 correct wrong handling of InterruptedException where Thread.currentThread.interrupt() is called within while loops add proper handling for swallowed InterruptedExce...
http://issues.apache.org/jira/browse/HBASE-10523    Author: Feng Honghua, 2014-02-20, 00:33
[HBASE-10564] HRegionServer.nextLong should be removed since it's not used anywhere, or should be used somewhere it meant to - HBase - [issue]
...HRegionServer has its own nextLong method as below:  /**   * Generate a random positive long number   *   * @return a random positive long number ...
http://issues.apache.org/jira/browse/HBASE-10564    Author: Feng Honghua, 2014-02-19, 02:19
[HBASE-10539] HRegion.addAndGetGlobalMemstoreSize returns previous size - HBase - [issue]
...HRegion.addAndGetGlobalMemstoreSize(addedSize) is called once some write succeeds and 'addedSize' is the size of the edits newly put to the memstore, the returned value of HRegion.addAndGetG...
http://issues.apache.org/jira/browse/HBASE-10539    Author: Feng Honghua, 2014-02-19, 02:19
[HBASE-10557] DroppedSnapshotException is not handled properly for flush triggered by hlog-replay and non-abort region close - HBase - [issue]
...Flush triggered by hlog-replay(replayRecoveredEdits) and region-close(non-abort close) get processed directly by region without putting flush entry into flushQueue, hence not handled by MemS...
http://issues.apache.org/jira/browse/HBASE-10557    Author: Feng Honghua, 2014-02-18, 08:48
[HBASE-10252] Don't write back to WAL/memstore when Increment amount is zero (mostly for query rather than update intention) - HBase - [issue]
...When user calls Increment by providing amount=0, we don't write the original value to WAL or memstore : adding 0 yields a 'new' value just with the same value as the original one.1. user pro...
http://issues.apache.org/jira/browse/HBASE-10252    Author: Feng Honghua, 2014-02-13, 01:04
[HBASE-10487] Avoid allocating new KeyValue and according bytes-copying for appended kvs which don't have existing values - HBase - [issue]
...in HRegion.append, new KeyValues will be allocated and do according bytes-copying no matter whether there are existing kv for the appended cells, we can improve here by avoiding the allocati...
http://issues.apache.org/jira/browse/HBASE-10487    Author: Feng Honghua, 2014-02-12, 07:22
[HBASE-8751] Enable peer cluster to choose/change the ColumnFamilies/Tables it really want to replicate from a source cluster - HBase - [issue]
...Consider scenarios (all cf are with replication-scope=1):1) cluster S has 3 tables, table A has cfA,cfB, table B has cfX,cfY, table C has cf1,cf2.2) cluster X wants to replicate table A : cf...
http://issues.apache.org/jira/browse/HBASE-8751    Author: Feng Honghua, 2014-02-12, 00:34
[HBASE-9501] Provide throttling for replication - HBase - [issue]
...When we disable a peer for a time of period, and then enable it, the ReplicationSource in master cluster will push the accumulated hlog entries during the disabled interval to the re-enabled...
http://issues.apache.org/jira/browse/HBASE-9501    Author: Feng Honghua, 2014-02-12, 00:34
[HBASE-8755] A new write thread model for HLog to improve the overall HBase write throughput - HBase - [issue]
...In current write model, each write handler thread (executing put()) will individually go through a full 'append (hlog local buffer) => HLog writer append (write to hdfs) => HLog writer...
http://issues.apache.org/jira/browse/HBASE-8755    Author: Feng Honghua, 2014-01-26, 07:58
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