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[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
[HBASE-11038] Filtered scans can bypass metrics collection - HBase - [issue]
...In RegionScannerImpl#nextRaw, after a batch of results are retrieved, delegates to the filter regarding continuation of the scan. If filterAllRemaining returns true, the method exits immedia...
http://issues.apache.org/jira/browse/HBASE-11038    Author: Nick Dimiduk, 2014-04-19, 03:38
[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, 03:03
[HBASE-9740] A corrupt HFile could cause endless attempts to assign the region without a chance of success - HBase - [issue]
...As described in HBASE-9737, a corrupt HFile in a region could lead to an assignment storm in the cluster since the Master will keep trying to assign the region to each region server one afte...
http://issues.apache.org/jira/browse/HBASE-9740    Author: Aditya Kishore, 2014-04-19, 02:59
[HBASE-10909] Abstract out ZooKeeper usage in HBase - HBase - [issue]
...As some sort of follow-up or initial step towards HBASE-10296.Whatever consensus algorithm/library may be the chosen, perhaps one of first practical steps towards this goal would be to bette...
http://issues.apache.org/jira/browse/HBASE-10909    Author: Mikhail Antonov, 2014-04-19, 02:08
[HBASE-11034] Get path validates column families twice - HBase - [issue]
...HRegion#get(Get) adds/validates column families. The resulting RegionScanner goes through the same validation dance a second time. That second implementation is slightly less efficient, alwa...
http://issues.apache.org/jira/browse/HBASE-11034    Author: Nick Dimiduk, 2014-04-19, 01:41
[HBASE-10960] Enhance HBase Thrift 1 to include "append" and "checkAndPut" operations - HBase - [issue]
...Both append, and checkAndPut functionalities are available in Thrift 2 interface, but not in Thrift. So, adding the support for these functionalities in Thrift1 too....
http://issues.apache.org/jira/browse/HBASE-10960    Author: Srikanth Srungarapu, 2014-04-19, 00:47
[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, 00:44
[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, 00:21
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