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[HBASE-13276] Fix incorrect condition for minimum block locality in 0.98
...0.98 only. Parent somehow was incorrect. One-liner to fix it.But it's critical as we perform potentially way more compactions now....
, 2015-03-19, 02:16
[HBASE-9117] Remove HTablePool and all HConnection pooling related APIs
...The recommended way is now: Create an HConnection: HConnectionManager.createConnection(...) Create a light HTable: HConnection.getTable(...) table.close() connection.close()All other API and...
, 2015-03-16, 20:28
[HBASE-9778] Add hint to ExplicitColumnTracker to avoid seeking
...The issue of slow seeking in ExplicitColumnTracker was brought up by Vladimir Rodionov on the dev list.My idea here is to avoid the seeking if we know that there aren't many versions to skip...
, 2015-03-04, 22:25
[HBASE-13046] Review replication timeouts
...See discussion on HBASE-12971.We should review all the config options we have for replication timeouts and make sure the defaults make sense....
, 2015-02-14, 06:20
[HBASE-11935] ZooKeeper connection storm after queue failover with slave cluster down
...We just ran into a production incident with TCP SYN storms on port 2181 (zookeeper).In our case the slave cluster was not running. When we bounced the primary cluster we saw an "unbounded" n...
, 2015-02-13, 01:59
[HBASE-4583] Integrate RWCC with Append and Increment operations
...Currently Increment and Append operations do not work with RWCC and hence a client could see the results of multiple such operation mixed in the same Get/Scan.The semantics might be a bit mo...
, 2015-01-27, 18:52
[HBASE-12776] SpliTransaction: Log number of files to be split
, 2015-01-25, 07:10
[HBASE-12910] describe in the shell is broken
...Just noticed that in 0.98 describe does not work in the shell.This is caused by HBASE-12832....
, 2015-01-24, 01:04
[HBASE-12904] Threading issues in region_mover.rb
...We've seen various race conditions when using region_mover with multiple threads.NoMethodError: undefined method `getScanner' for nil:NilClass isSuccessfulScan at /home/sfdc/current//b...
, 2015-01-23, 09:25
[HBASE-12411] Optionally enable p-reads and private readers for compactions
...In the light of HDFS-6735 we might want to consider refraining from seek + read completely and only perform preads.For example currently a compaction can lock out every other scanner over th...
, 2015-01-12, 06:48
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