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[HBASE-11026] Provide option to filter out all rows in PerformanceEvaluation tool - HBase - [issue]
...Performance Evaluation could also be used to check the actual performance of the scans on the Server side by passing Filters that filters out all the rows.  We can create a test filter ...
http://issues.apache.org/jira/browse/HBASE-11026    Author: ramkrishna.s.vasudevan, 2014-04-19, 09:59
[HBASE-11036] Online schema change with region merge may cause data loss - HBase - [issue]
...We have found out that online schema change and region merges may still cause issues about merged regions coming back online, and thus causing data loss. Recently ITBLL failed reporting 800K...
http://issues.apache.org/jira/browse/HBASE-11036    Author: Enis Soztutar, 2014-04-19, 09:37
[HBASE-11037] Race condition in TestZKBasedOpenCloseRegion - HBase - [issue]
...testCloseRegion is called before testReOpenRegion.Here's the sequence of events:2014-04-18 20:58:05,645 INFO  [Thread-380] master.TestZKBasedOpenCloseRegion(313): Running testCloseRegio...
http://issues.apache.org/jira/browse/HBASE-11037    Author: Lars Hofhansl, 2014-04-19, 09:12
[HBASE-11030] HBaseTestingUtility.getMiniHBaseCluster should be able to return null - HBase - [issue]
...Right now we have this logic:  public MiniHBaseCluster getMiniHBaseCluster() {    if (this.hbaseCluster instanceof MiniHBaseCluster) {      retur...
http://issues.apache.org/jira/browse/HBASE-11030    Author: Lars Hofhansl, 2014-04-19, 09:12
[HBASE-10929] Change ScanQueryMatcher to use Cells instead of KeyValue. - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-10929    Author: ramkrishna.s.vasudevan, 2014-04-19, 08:45
[HBASE-9754] Eliminate threadlocal from MVCC code - HBase - [issue]
...Brought up by Vladimir Rodionov and Ted Yu.Currently we use ThreadLocals to communicate the current readpoint between a RegionScanner and the Store{File}Scanner's down the stack.Since Thread...
http://issues.apache.org/jira/browse/HBASE-9754    Author: Lars Hofhansl, 2014-04-19, 08:09
[HBASE-10924] [region_mover]: Adjust region_mover script to retry unloading a server a configurable number of times in case of region splits/merges - HBase - [issue]
...Observed behavior:In about 5% of cases, my rolling upgrade tests fail because of stuck regions during a region server unload. My theory is that this occurs when region assignment information...
http://issues.apache.org/jira/browse/HBASE-10924    Author: Aleksandr Shulman, 2014-04-19, 07:25
[HBASE-11031] Some HTable's are not closed in TestLogRolling - HBase - [issue]
...The following pattern appears in several methods:    // When the hbase:meta table can be opened, the region servers are running    new HTable(TEST_UTIL.getConfi...
http://issues.apache.org/jira/browse/HBASE-11031    Author: Ted Yu, 2014-04-19, 06:14
[HBASE-11011] Avoid extra getFileStatus() calls on Region startup - HBase - [issue]
...On load we already have a StoreFileInfo and we create it from the path,this will result in an extra fs.getFileStatus() call.In completeCompactionMarker() we do a fs.exists() and later a fs.g...
http://issues.apache.org/jira/browse/HBASE-11011    Author: Matteo Bertozzi, 2014-04-19, 04:40
[HBASE-10974] Improve DBEs read performance by avoiding byte array deep copies for key[] and value[] - HBase - [issue]
...As part of HBASE-10801, we  tried to reduce the copy of the value [] in forming the KV from the DBEs. The keys required copying and this was restricting us in using Cells and always wan...
http://issues.apache.org/jira/browse/HBASE-10974    Author: ramkrishna.s.vasudevan, 2014-04-19, 04:30
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