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[HBASE-20913] List memstore direct memory/heap memory usage - HBase - [issue]
...With offheap write path support, mslab can be allocated at offheap memory. Currently, RS Server Metrics, only show Memstore Size and it does not list the DM usage for memstore. It will be go...    Author: huaxiang sun , 2018-10-03, 01:25
[HBASE-17392] Load DefaultStoreEngine when user misconfigures 'hbase.hstore.engine.class' - HBase - [issue]
...When user misconfigures 'hbase.hstore.engine.class', region server complains "Class not found" and gives up. In this case, we need to load the DefaultStoreEngine to avoid that. Sanity check ...    Author: huaxiang sun , 2018-10-03, 01:25
[HBASE-16908] investigate flakey TestQuotaThrottle - HBase - [issue]
...find out the root cause for TestQuotaThrottle failures.    Author: huaxiang sun , 2018-10-03, 01:24
[HBASE-19320] document the mysterious direct memory leak in hbase - HBase - [issue]
...Recently we run into a direct memory leak case, which takes some time to trace and debug. Internally discussed with our Stack, we thought we had some findings and want to share with the comm...    Author: huaxiang sun , 2018-10-03, 01:24
[HBASE-21037] Hbck needs to call Master.offlineRegion() to clean in-memory state after issuing a RS.closeRegion() - HBase - [issue]
...In certain cases, hbck issues a RS.closeRegion() to close a region from RS. It does not clean up in-memory state from master for the offlined region and balancer will bring back the closed r...    Author: huaxiang sun , 2018-10-03, 01:21
[HBASE-21107] add a metrics for netty direct memory - HBase - [issue]
...This is separated from HBASE-20913 as I realized that netty direct memory usage needs to show up in metrics instead of the web page....    Author: huaxiang sun , 2018-09-06, 13:43
[HBASE-20997] rebuildUserRegions() does not build ReplicaMapping during master switchover - HBase - [issue]
...During master switchover, rebuildUserRegions() does not rebuild master in-memory defaultReplicaToOtherReplicas map. This puts the cluster in an inconsistent state. In read replica case, it c...    Author: huaxiang sun , 2018-08-07, 20:12
[HBASE-20651] Master, prevents hbck or shell command to reassign the split parent region - HBase - [issue]
...We are seeing that hbck brings back split parent region and this causes region inconsistency. More details will be filled as reproduce is still ongoing. Might need to do something at hbck or...    Author: huaxiang sun , 2018-08-06, 18:48
[HBASE-18223] Track the effort to improve/bug fix read replica feature - HBase - [issue]
...During the hbasecon 2017, a group of people met and agreed to collaborate the effort to improve/bug fix read replica feature so users can enable this feature in their clusters. This jira is ...    Author: huaxiang sun , 2018-08-02, 23:57
[HBASE-19392] TestReplicaWithCluster#testReplicaGetWithPrimaryAndMetaDown failure in master - HBase - [issue]
...Please see the flakey test list. 96.7% (29 / 30) 29 / 0 / 0 show...    Author: huaxiang sun , 2018-08-01, 06:24