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[HBASE-8433] CellComparator#compare returns incorrect result for faked KeyValue - HBase - [issue]
...I found the scan will be in a forever loop when using PREFIX_TREE DataBlockEncoding.And found the root cause is:CellComparator#compare returns incorrect result for faked KeyValue.Patch is si...
http://issues.apache.org/jira/browse/HBASE-8433    Author: chunhui shen, 2013-05-24, 12:28
[HBASE-6059] Replaying recovered edits would make deleted data exist again - HBase - [issue]
...When we replay recovered edits, we used the minSeqId of Store, It may cause deleted data appeared again.Let's see how it happens. Suppose the region with two families(cf1,cf2)1.put one data ...
http://issues.apache.org/jira/browse/HBASE-6059    Author: chunhui shen, 2013-05-18, 02:34
[HBASE-6479] HFileReaderV1 caching the same parent META block could cause server abort when splitting - HBase - [issue]
...If the hfile's version is 1 now, when splitting, two daughters would loadBloomfilter concurrently in the open progress. Because their META block is the same one(parent's META block),  t...
http://issues.apache.org/jira/browse/HBASE-6479    Author: chunhui shen, 2013-05-14, 21:12
[HBASE-6134] Improvement for split-worker to speed up distributed log splitting - HBase - [issue]
...First´╝îwe do the test between local-master-splitting and distributed-log-splittingEnvironment´╝Ü34 hlog files, 5 regionservers,(after kill one, only 4 rs do ths splitting work), 400 regions in ...
http://issues.apache.org/jira/browse/HBASE-6134    Author: chunhui shen, 2013-05-11, 04:46
[HBASE-6205] Support an option to keep data of dropped table for some time - HBase - [issue]
...User may drop table accidentally because of error code or other uncertain reasons.Unfortunately, it happens in our environment because one user make a mistake between production cluster and ...
http://issues.apache.org/jira/browse/HBASE-6205    Author: chunhui shen, 2013-05-04, 00:21
[HBASE-8452] Reduce byte copy in PrefixTreeSeeker - HBase - [issue]
...In PrefixTreeSeeker, I think we could do two improvement for deep copy of byte.1.PrefixTreeSeeker#getKeyValue(){KeyValueUtil.copyToNewKeyValue(ptSearcher.current());}This method will be call...
http://issues.apache.org/jira/browse/HBASE-8452    Author: chunhui shen, 2013-04-29, 19:16
[HBASE-8436] SeekBefore returns wrong result with PREFIX_TREE Encoding - HBase - [issue]
...In SeekBefore case, if we seek the key which is bigger than the last keyvaluePrefixTreeSeeker#seekToKeyInBlock will not seek correctly.Make the test case TestPrefixTreeEncoding#testSeekBefor...
http://issues.apache.org/jira/browse/HBASE-8436    Author: chunhui shen, 2013-04-28, 13:51
[HBASE-7135] Serializing hfileBlcok is incorrect for SlabCache - HBase - [issue]
...2012-11-07 08:35:36,082 ERROR org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: Deserializer threw an exception. This may indicate a bug.java.io.IOException: Invalid HFile block magic: ...
http://issues.apache.org/jira/browse/HBASE-7135    Author: chunhui shen, 2013-04-24, 02:34
[HBASE-8317] Seek returns wrong result with PREFIX_TREE Encoding - HBase - [issue]
...TestPrefixTreeEncoding#testSeekWithFixedData from the patch could reproduce the bug.An example of the bug case:Suppose the following rows:1.row3/c1:q1/2.row3/c1:q2/3.row3/c1:q3/4.row4/c1:q1/...
http://issues.apache.org/jira/browse/HBASE-8317    Author: chunhui shen, 2013-04-20, 22:26
[HBASE-7507] Make memstore flush be able to retry after exception - HBase - [issue]
...We will abort regionserver if memstore flush throws exception.I thinks we could do retry to make regionserver more stable because file system may be not ok in a transient time. e.g. Switchin...
http://issues.apache.org/jira/browse/HBASE-7507    Author: chunhui shen, 2013-04-12, 05:15
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB