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[HBASE-14165] The initial size of RWQueueRpcExecutor.queues should be (numWriteQueues + numReadQueues + numScanQueues) - HBase - [issue]
...The RWQueueRpcExecutor.queues will be initialized as:     queues = new ArrayList<BlockingQueue<CallRunner>>(writeHandlersCount + readHandlersCount);It seems this could ...
http://issues.apache.org/jira/browse/HBASE-14165    Author: cuijianwei, 2015-09-05, 22:43
[HBASE-13814] AssignmentManager does not write the correct server name into Zookeeper when unassign region - HBase - [issue]
...When moving region, the region will firstly be unassigned from corresponding region server by the method AssignmentManager#unassign(). AssignmentManager will write the region info and the se...
http://issues.apache.org/jira/browse/HBASE-13814    Author: cuijianwei, 2015-06-27, 07:07
[HBASE-13961] SnapshotManager#initialize should set snapshotLayoutVersion if it allows to create snapshot with old layout format - HBase - [issue]
...In 0.98, it seems the snapshot layout version could be configured by "hbase.snapshot.format.version". However, SnapshotManager does not set snapshotLayoutVersion in its initialize(...) metho...
http://issues.apache.org/jira/browse/HBASE-13961    Author: cuijianwei, 2015-06-26, 05:18
[HBASE-13454] SecureClient#setupIOStreams should handle all Exceptions - HBase - [issue]
...Similar to HBASE-9256 , SecureClient#setupIOStreams should also catch up all Exception. In our production environment, an OutOfMemoryError is thrown in SecureClient#setupIOStreams, leaving a...
http://issues.apache.org/jira/browse/HBASE-13454    Author: cuijianwei, 2015-06-17, 19:15
[HBASE-13521] Create metric for get requests - HBase - [issue]
...Currently, the readRequestsCount records the request count for both get request(random read) and scan#next request(sequential read). However, the cost of get request and scan#next request ar...
http://issues.apache.org/jira/browse/HBASE-13521    Author: cuijianwei, 2015-04-21, 12:09
[HBASE-12759] numMaxRegionsPerTable is not updated correctly in BaseLoadBalancer.regionMoved - HBase - [issue]
...numMaxRegionsPerTable will be updated in BaseLoadBalancer.regionMoved(...) as:    void regionMoved(int region, int oldServer, int newServer) {      ....   ...
http://issues.apache.org/jira/browse/HBASE-12759    Author: cuijianwei, 2015-04-15, 12:57
[HBASE-12930] Check single row size not exceed configured max row size across families for Get/Scan - HBase - [issue]
...StoreScanner#next will check the 'totalBytesRead' not exceed configured ‘hbase.table.max.rowsize’ for each family. However, if there are several families, the single row will also achieve un...
http://issues.apache.org/jira/browse/HBASE-12930    Author: cuijianwei, 2015-04-13, 17:35
[HBASE-12928] BaseLoadBalancer#needsBalance only checks the sloppiness of region count before balancing - HBase - [issue]
...BaseLoadBalancer#needsBalance will be invoked to judge whether needs to do balancing. StochasticLoadBalancer do balancing by considering region count skew cost, read/write request cost, loca...
http://issues.apache.org/jira/browse/HBASE-12928    Author: cuijianwei, 2015-01-27, 02:10
[HBASE-12829] Request count in RegionLoad may not accurate to compute the load cost for region - HBase - [issue]
...StochasticLoadBalancer#RequestCostFunction(ReadRequestCostFunction and WriteRequestCostFunction) will compute load cost for a region based on a number of remembered region loads. Each region...
http://issues.apache.org/jira/browse/HBASE-12829    Author: cuijianwei, 2015-01-09, 11:22
[HBASE-12770] Don't transfer all the queued hlogs of a dead server to the same alive server - HBase - [issue]
...When a region server is down(or the cluster restart), all the hlog queues will be transferred by the same alive region server. In a shared cluster, we might create several peers replicating ...
http://issues.apache.org/jira/browse/HBASE-12770    Author: cuijianwei, 2015-01-09, 06:07
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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