Anoop Sam John
Stephen Yuan Jiang
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[HBASE-6417] hbck merges .META. regions if there's an old leftover
...Trying to see what caused HBASE-6310, one of the things I figured is that the bad .META. row is actually one from the time that we were permitting meta splitting and that folder had just bee...
, 2013-05-03, 20:59
[HBASE-7613] Default hbase.regionserver.checksum.verify to true now that HDFS-3429 was committed
...HDFS-3429 was committed to Hadoop trunk and 2.0 branch, so eventually we'll be able to turn HBase checksums on by default without requiring short circuit reads.I don't expect this to be comm...
, 2013-05-03, 20:53
[HBASE-4814] Starting an online alter when regions are splitting can leave their daughters unaltered
...I've seen a situation where regions were splitting almost exactly at the same time as an alter command was issued and those regions' daughters were left unaltered. It would even seem that th...
, 2013-05-03, 20:44
[HBASE-3643] Close the filesystem handle when HRS is aborting
...I thought of a way to fix HBASE-3515 that has a very broad impact, so I'm creating this jira to raise awareness and gather comments.Currently when we call HRS.abort, it's still possible to d...
, 2013-05-03, 20:41
[HBASE-8425] Per-region memstore size is missing in the new RS web UI
...I like that metric, right now all we have is the whole memstore size in bytes....
, 2013-04-30, 09:22
[HBASE-8426] Opening a region failed on "Metrics source RegionServer,sub=Regions already exists!"
...I restarted a cluster on 0.95 (1ecd4c7e0b22bba75c76f2fc2ce369541502b6df) and some regions failed to open on their first assignment on an exception like:Caused by: org.apache.hadoop.metrics2....
, 2013-04-30, 09:22
[HBASE-8390] Trunk/0.95 cannot simply compile against Hadoop 1.0
...Currently we can't simply compile against Hadoop 1.0 in 0.95 and newer, we are missing a dependency in common for Apache's commons-io. Easy fix, we could just add that dependency for all the...
, 2013-04-27, 00:09
[HBASE-8259] Snapshot backport in 0.94.6 breaks rolling restarts
...Aleksandr Shulman found with his nifty QA tools that 0.94.6 has an incompatible change due to HBASE-7360 (Snapshot 0.94 Backport) that breaks rolling restarts.RegionTransitionData.write() us...
, 2013-04-25, 23:20
[HBASE-8391] StochasticLoadBalancer doesn't call needsBalance
...StochasticLoadBalancer doesn't call BaseLoadBalancer.needsBalance so it always try to compute a move even if the cluster is correctly balanced. While looking at that code I figured I could r...
, 2013-04-24, 02:31
[HBASE-3557] Quick disable call to drop a table
...From the mailing list, it seems that a feature that enables the disabling of tables without having to wait for regions to flush would be quite popular. In the case where you do rapid develop...
, 2013-04-18, 22:53
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