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[HBASE-9630] Add thread which detects JVM pauses like HADOOP's - HBase - [issue]
...Todd adds daemon threads for dn&nn to indicate the VM or kernel caused pause in application log, it's pretty handy for diagnose, i thought it's great to have similar ability in HBase....
http://issues.apache.org/jira/browse/HBASE-9630    Author: Liang Xie, 2013-09-25, 05:37
[HBASE-9519] fix NPE in EncodedScannerV2.getFirstKeyInBlock() - HBase - [issue]
...we observed a reproducable NPE while scanning special table under special condition in our IntegratedTesting scenario, it was fixed by appling the attached patch.org.apache.hadoop.hbase.clie...
http://issues.apache.org/jira/browse/HBASE-9519    Author: Liang Xie, 2013-09-25, 01:08
[HBASE-9084] HBase admin flush has a data loss risk even after HBASE-7671 - HBase - [issue]
...see https://issues.apache.org/jira/browse/HBASE-7671?focusedCommentId=13722148&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13722148will attach a simple ...
http://issues.apache.org/jira/browse/HBASE-9084    Author: Liang Xie, 2013-09-24, 05:16
[HBASE-8869] incorrect javadoc for CompactionRequest.compareTo() - HBase - [issue]
...   * <p>Note: The date is only accurate to the millisecond which means it is   * possible that two requests were inserted into the queue within a   * mill...
http://issues.apache.org/jira/browse/HBASE-8869    Author: Liang Xie, 2013-09-23, 20:28
[HBASE-8875] incorrect javadoc for EXCLUDE_FROM_MINOR_COMPACTION - HBase - [issue]
.../** Major compaction flag in FileInfo */+  /** Minor compaction flag in FileInfo */   public static final byte[] EXCLUDE_FROM_MINOR_COMPACTION_KEY =       ...
http://issues.apache.org/jira/browse/HBASE-8875    Author: Liang Xie, 2013-09-23, 20:28
[HBASE-7495] parallel seek in StoreScanner - HBase - [issue]
...seems there's a potential improvable space before doing scanner.next:StoreScanner.java    if (explicitColumnQuery && lazySeekEnabledGlobally) {     &nbs...
http://issues.apache.org/jira/browse/HBASE-7495    Author: Liang Xie, 2013-09-23, 18:46
[HBASE-9518] getFakedKey() improvement - HBase - [issue]
...make generating faked key algo more aggressive...
http://issues.apache.org/jira/browse/HBASE-9518    Author: Liang Xie, 2013-09-20, 08:17
[HBASE-9503] minor optimization for getRowKeyAtOrBefore - HBase - [issue]
...we could shortcut the getRowKeyAtOrBefore() as quick as we found an exact matching. it'll be reasonable if there're lots of target storefiles.It's a minor change, w/o a new test case be made...
http://issues.apache.org/jira/browse/HBASE-9503    Author: Liang Xie, 2013-09-17, 18:38
[HBASE-9528] Adaptive compaction - HBase - [issue]
...Currently, the compaction policy granularity is based on single machine. we had a thought that introduce a new cluster granularity decision, such that we could improve those case per cluster...
http://issues.apache.org/jira/browse/HBASE-9528    Author: Liang Xie, 2013-09-14, 15:16
[HBASE-9520] shortcut split asap while requested splitPoint equals with region's startKey - HBase - [issue]
...we can shortcut this corener case from client side at all, w/o any traffic within RS....
http://issues.apache.org/jira/browse/HBASE-9520    Author: Liang Xie, 2013-09-14, 03:47
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