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[HBASE-13988] Add exception handler for lease thread
...In a prod cluster, a region server exited for some important threads were not alive. After excluding other threads from the log, we doubted the lease thread was the root. So we need to add a...
, 2015-08-01, 18:10
[HBASE-12636] Avoid too many write operations on zookeeper in replication
...In our production cluster, we found there are about over 1k write operations per second on zookeeper from hbase replication. The reason is that the replication source will write the log posi...
, 2015-06-24, 00:34
[HBASE-12921] Port HBASE-5356 'region_mover.rb can hang if table region it belongs to is deleted' to 0.94
...This is backport of HBASE-5356 'region_mover.rb can hang if table region it belongs to is deleted' to 0.94.Lars Hofhansl...
, 2015-06-17, 00:39
[HBASE-13199] Some small improvements on canary tool
...Improvements Make the sniff of region and regionserver parallel to support large cluster with 10000+ region and 500+ regionservers using thread pool. Set cacheblock to false in get and scan ...
, 2015-05-23, 02:00
[HBASE-11536] Puts of region location to Meta may be out of order which causes inconsistent of region location
...In product hbase cluster, we found inconsistency of region location in the meta table. Region cdfa2ed711bbdf054d9733a92fd43eb5 is onlined in regionserver 10.237.12.13:11600 but the region lo...
, 2015-05-19, 02:35
[HBASE-13396] Cleanup unclosed writers in later writer rolling
...Currently, the default value of hbase.regionserver.logroll.errors.tolerated is 2, which means regionserver can tolerate two continuous failures of closing writers at most. Temporary problems...
, 2015-05-14, 04:40
[HBASE-13366] Throw DoNotRetryIOException instead of read only IOException
...Currently, the read only region just throws an IOException to the clients who send write requests to it. This will cause the clients retry for configured times or until operation timeout.Cha...
, 2015-05-05, 03:02
[HBASE-13216] Add version info in RPC connection header
...In the operation of a cluster, we usually want to know which clients are using the HBase client with critical bugs or too old version we will not support in future.By adding version info in ...
, 2015-05-01, 05:46
[HBASE-9568] backport HBASE-6508 to 0.94
...Backport HBASE-6508: Filter out edits at log split time to hbase 0.94...
, 2015-04-16, 09:23
[HBASE-13348] Separate the thread number configs for meta server and server operations
...Currently, the config keys for thread number of meta server and server operations in HMaster are same: See: HMaster.java #993this.service.startExecutorService(ExecutorType.MASTER_SERVER_OPER...
, 2015-04-01, 06:18
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