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[HBASE-5923] Cleanup checkAndXXX logic - HBase - [issue]
...1. the checkAnd{Put|Delete} method that takes a CompareOP is not exposed via HTable[Interface].2. there is unnecessary duplicate code in the check{Put|Delete} code in HRegionSer...
http://issues.apache.org/jira/browse/HBASE-5923    Author: Lars Hofhansl, 2014-01-06, 21:52
[HBASE-10258] [0.94] Fix JDK 7 related test failures. - HBase - [issue]
...Starting with these:org.apache.hadoop.hbase.mapreduce.TestCopyTable.testCopyTable    org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster.testShouldFailSplitIfZNodeDo...
http://issues.apache.org/jira/browse/HBASE-10258    Author: Lars Hofhansl, 2014-01-02, 19:09
[HBASE-10250] [0.94] TestHLog fails occasionally - HBase - [issue]
...Looks like this was fixed in 0.96+, but not in 0.94.Stacktracejava.net.BindException: Problem binding to localhost/127.0.0.1:55667 : Address already in use at org.apache.hadoop.ipc.Server.bi...
http://issues.apache.org/jira/browse/HBASE-10250    Author: Lars Hofhansl, 2013-12-30, 08:09
[HBASE-10058] Test for HBASE-9915 (avoid reading index blocks) - HBase - [issue]
...In HBASE-9915 we found that for encoded blocks the quick check whether the seek key falls on the current block did not work.This adds a unittest so we won't regress. The test counts the numb...
http://issues.apache.org/jira/browse/HBASE-10058    Author: Lars Hofhansl, 2013-12-30, 04:11
[HBASE-10057] TestRestoreFlushSnapshotFromClient and TestRestoreSnapshotFromClient fail to finish occasionally - HBase - [issue]
...Looking at the test code I seeHTable table = new HTable(...)try {   ... test code ...} finally {  table.close();}The try-finally, while well meaning seems to hide the act...
http://issues.apache.org/jira/browse/HBASE-10057    Author: Lars Hofhansl, 2013-12-30, 04:11
[HBASE-10117] Avoid synchronization in HRegionScannerImpl.isFilterDone - HBase - [issue]
...A while ago I introduced HRegoinScannerImpl.nextRaw() to allow coprocessors and scanners with caching > 1 to avoid repeated synchronization during scanning (which puts up memory fences, w...
http://issues.apache.org/jira/browse/HBASE-10117    Author: Lars Hofhansl, 2013-12-30, 04:11
[HBASE-10248] [0.94] TestMetaReaderEditor fails frequently - HBase - [issue]
...Eample:java.lang.AssertionError: reader: count=2, t=null at org.junit.Assert.fail(Assert.java:93) at org.junit.Assert.assertTrue(Assert.java:43) at org.apache.hadoop.hbase.catalog.TestMetaRe...
http://issues.apache.org/jira/browse/HBASE-10248    Author: Lars Hofhansl, 2013-12-27, 22:08
[HBASE-8166] Avoid writing the memstoreTS into HFiles when possible - HBase - [issue]
...See discussion in HBASE-8151.Upon compaction we can check all the involved HFiles. If all of them have a MAX_MEMSTORE_TS < the smallest scannner readpoint, we create a writer that does no...
http://issues.apache.org/jira/browse/HBASE-8166    Author: Lars Hofhansl, 2013-12-26, 19:47
[HBASE-10047] postScannerFilterRow consumes a lot of CPU in tall table scans - HBase - [issue]
...Continuing my profiling quest, I find that in scanning tall table (and filtering everything on the server) a quarter of the time is now spent in the postScannerFilterRow coprocessor hook....
http://issues.apache.org/jira/browse/HBASE-10047    Author: Lars Hofhansl, 2013-12-23, 03:35
[HBASE-5311] Allow inmemory Memstore compactions - HBase - [issue]
...Just like we periodically compact the StoreFiles we should also periodically compact the MemStore.During these compactions we eliminate deleted cells, expired cells, cells to removed because...
http://issues.apache.org/jira/browse/HBASE-5311    Author: Lars Hofhansl, 2013-12-17, 23:28
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