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[HBASE-13331] Exceptions from DFS client can cause CatalogJanitor to delete referenced files
...CatalogJanitor#checkDaughterInFs assumes that there are no references whenever HRegionFileSystem.openRegionFromFileSystem throws IOException. Well Hadoop and HBase throw IOExceptions wheneve...
, 2016-08-30, 04:19
[HBASE-14743] Add metrics around HeapMemoryManager
...it would be good to know how many invocations there have been.How many decided to expand memstore.How many decided to expand block cache.How many decided to do nothing.etc.When that's done u...
, 2016-08-11, 19:00
[HBASE-13559] Region stuck in PENDING_OPEN on repeated master failure
...We had some regions stay un-assigned. They were in pending open on a server that was dead. The cluster was restarted as a whole a few times and then the regions were stuck until a manual ass...
, 2016-08-10, 21:57
[HBASE-15471] Add num calls in priority and general queue to RS UI
...1.2 added the queue size. We should add the number of calls in the queue....
, 2016-08-09, 14:05
[HBASE-15656] Fix unused protobuf warning in Admin.proto
...Warning: Unused import: "Admin.proto" imports "Client.proto" which is not used....
, 2016-07-30, 03:16
[HBASE-16305] Multi threaded scan performance bottlenecked on Connection
...Pretty simple repro. On a single region server host ~10 or more regions. Then for each region spawn a thread that starts a scan. Try an pull the scan as fast as possible.If all the scans are...
, 2016-07-29, 18:43
[HBASE-14793] Allow limiting size of block into L1 block cache.
...G1GC does really badly with long lived large objects. Lets allow limiting the size of a block that can be kept in the block cache....
, 2016-07-29, 01:57
[HBASE-15316] Add the ability to cache ROOT_INDEX on reads only
...For larger data sets it's sometimes not needed to fit the entire index in memory ( there can be cold spots in the data, too much data in index, etc). However it's almost always needed to cac...
, 2016-07-27, 17:15
[HBASE-15558] Add random failure co processor to hbase-it
...HBase integration tests don't seem to be able to stress HBase all that much. They don't add enough for there to be failures due to load. So lets add a co-processor that can randomly fail rpc...
, 2016-07-25, 17:02
[HBASE-16093] Splits failed before creating daughter regions leave meta inconsistent
...This is on branch-1 based code only.Here's the sequence of events. A regionserver opens a new region. That regions looks like it should split. So the regionserver starts a split transaction....
, 2016-07-13, 12:22
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