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[HBASE-12487] Explicitly flush the file name in sweep job - HBase - [issue]
...Currently in the implementation of sweeper, we need to remove the mob files that are not referenced by hbase any more. List the names of all the existing files and write them to a seq file. ...
http://issues.apache.org/jira/browse/HBASE-12487    Author: Jingcheng Du, 2014-11-21, 03:25
[HBASE-12486] Move the mob table name tag to the 2nd one - HBase - [issue]
...Currently the tag for the mob table name is in the last position in tags.In order to accelerate the reading in both mob and cloned mob data, it's better to move this tag to the 2nd position ...
http://issues.apache.org/jira/browse/HBASE-12486    Author: Jingcheng Du, 2014-11-21, 03:24
[HBASE-11339] HBase MOB - HBase - [issue]
... It's quite useful to save the medium binary data like images, documents into Apache HBase. Unfortunately directly saving the binary MOB(medium object) to HBase leads to a worse perform...
http://issues.apache.org/jira/browse/HBASE-11339    Author: Jingcheng Du, 2014-11-19, 01:56
[HBASE-12413] Mismatch in the equals and hashcode methods of KeyValue - HBase - [issue]
...In the equals method of KeyValue only row key is compared, and in the hashcode method all bacing bytes are calculated. This breaks the Java rule....
http://issues.apache.org/jira/browse/HBASE-12413    Author: Jingcheng Du, 2014-11-13, 17:09
[HBASE-12412] update the ref guide(currently Example 10.2) to show "update an existing CF" with the new API modifyFamily in master - HBase - [issue]
...In the new implementation of HTableDescriptor, updating an existing CF doesn't use the addFamily any more(An IllegalArgumentException is thrown in such a case.), the new API modifyFamily is ...
http://issues.apache.org/jira/browse/HBASE-12412    Author: Jingcheng Du, 2014-11-06, 01:49
[HBASE-12392] Incorrect implementation of CompactionRequest.isRetainDeleteMarkers - HBase - [issue]
...Now in the implementation of the isRetainDeleteMarkers method, the code look like,return (this.retainDeleteMarkers != null) ? this.retainDeleteMarkers.booleanValue()      ...
http://issues.apache.org/jira/browse/HBASE-12392    Author: Jingcheng Du, 2014-10-31, 12:35
[HBASE-12391] Correct a typo in the mob metrics - HBase - [issue]
...There's a typo in the temp variable in the region server metrics for mob. It's now "testMobCompactedFromMobCellsSize", and should be changed to "tempMobCompactedFromMobCellsSize"...
http://issues.apache.org/jira/browse/HBASE-12391    Author: Jingcheng Du, 2014-10-31, 12:32
[HBASE-11647] MOB integration testing - HBase - [issue]
...The integration testings include the integration function testing and performance testing....
http://issues.apache.org/jira/browse/HBASE-11647    Author: Jingcheng Du, 2014-09-06, 05:38
[HBASE-11901] Improve the value size of the reference cell in mob column - HBase - [issue]
...Now in the value of a reference cell in a mob column, it's realMobValueLength(Use a long type currently) + mobFileName. Actually the value length in cell is a int type, it's not necessa...
http://issues.apache.org/jira/browse/HBASE-11901    Author: Jingcheng Du, 2014-09-06, 05:31
[HBASE-11646] Handle the MOB in compaction - HBase - [issue]
...In the updated MOB design however, admins can set CF level thresholds that would force cell values > the threshold to use the MOB write path instead of the traditional path.  There a...
http://issues.apache.org/jira/browse/HBASE-11646    Author: Jingcheng Du, 2014-09-05, 09:13
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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