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Anoop Sam John
Stephen Yuan Jiang
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[HBASE-11143] Improve replication metrics
...We are trying to report on replication lag and find that there is no good single metric to do that.ageOfLastShippedOp is close, but unfortunately it is increased even when there is nothing t...
, 2014-08-05, 04:36
[HBASE-11652] Port HBASE-3270 and HBASE-11650 to 0.94 - create cluster id and version file in a tmp location and move it into place
...See HBASE-3270 and HBASE-11650...
, 2014-08-03, 05:48
[HBASE-9272] A parallel, unordered scanner
...The contract of ClientScanner is to return rows in sort order. That limits the order in which region can be scanned.I propose a simple ParallelScanner that does not have this requirement and...
, 2014-06-23, 12:42
[HBASE-11351] Experiments with OffHeap memstores
...I have been experimenting with offheap memstores using an offheap BTree implementation of ConcurrentMap provided by MapDB (www.mapdb.org)So far I hooked this up in an experimental way with i...
, 2014-06-15, 04:58
[HBASE-8362] Possible MultiGet optimization
...Currently MultiGets are executed on a RegionServer in a single thread in a loop that handles each Get separately (opening a scanner, seeking, etc).It seems we could optimize this (per region...
, 2014-06-13, 17:16
[HBASE-10936] Add zeroByte encoding test
, 2014-06-11, 03:53
[HBASE-11247] [0.94] update maven-site-plugin to 3.3
...With maven version 3.1 or newer the site target fails unless the site plugin is updated to 18.104.22.168 and master have this already, this updates the site plugin from 3.2 to 3.3.Verified on my ...
, 2014-06-11, 03:53
[HBASE-4844] Coprocessor hooks for log rolling
...In order to eventually do point in time recovery we need a way to reliably back up the logs. Rather than adding some hard coded changes, we can provide coprocessor hooks and folks can implem...
, 2014-06-02, 23:45
[HBASE-6577] RegionScannerImpl.nextRow() should seek to next row
...RegionScannerImpl.nextRow() is called when a filter filters the entire row. In that case we should seek to the next row rather then iterating over all versions of all columns to get there....
, 2014-06-02, 23:44
[HBASE-9980] [0.94] Wire compatibility test for 0.94
...See HBASE-9834.We should have a test that: generates a file with all kinds of objects serialized into it. Save that file as part of the HBase tests a test can then read the objects back from...
, 2014-06-02, 23:42
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