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[HBASE-7530] [replication] Work around HDFS-4380 else we get NPEs
...I've been spending a lot of time trying to figure the recent test failures related to replication. One I seem to be constantly getting is this NPE:2013-01-09 10:08:56,912 ERROR [RegionServer...
, 2013-03-13, 22:48
[HBASE-5359] Alter in the shell can be too quick and return before the table is altered
...This seems to be a recent change in behavior but I'm still not sure where it's coming from.The shell is able to call HMaster.getAlterStatus before the TableEventHandler is able call AM.setRe...
, 2013-03-13, 04:43
[HBASE-6347] -ROOT- and .META. are stale in table.jsp if they moved
...table.jsp does not use a lookup method on CatalogTracker that does not force a refresh of the cache, thus it can get a stale location if ROOT or .META. moved and the master hasn't tried to a...
, 2013-03-05, 08:29
[HBASE-7761] MemStore.USEMSLAB_DEFAULT is false, hbase-default.xml says it's true
...Someone not familiar with the MemStore code might find it confusing that MemStore.USEMSLAB_DEFAULT's value is "false" whereas hbase.hregion.memstore.mslab.enabled is true in hbase-default.xm...
, 2013-02-12, 23:32
[HBASE-7545] [replication] Break out TestReplication into manageable classes
...This has been discussed before but after trying to debug the last failure on Jenkins where I saw the time go back and forth (if you don't care about your own sanity do checkout https://build...
, 2013-01-31, 05:12
[HBASE-7293] [replication] Remove dead sinks from ReplicationSource.currentPeers and pick new ones
...I happened to look at a log today where I saw a lot lines like this:2012-12-06 23:29:08,318 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSource: Slave cluster looks down:...
, 2013-01-23, 12:33
[HBASE-6841] Meta prefetching is slower than doing multiple meta lookups
...I got myself into a situation where I needed to truncate a massive table while it was getting hits and surprisingly the clients were not recovering. What I see in the logs is that every time...
, 2013-01-21, 04:38
[HBASE-5138] [ref manual] Add a discussion on the number of regions
...ntelford on IRC made the good point that we say people shouldn't have too many regions, but we don't say why. His problem currently is:09:21 < ntelford> problem is, if you're running M...
, 2013-01-21, 00:50
[HBASE-7534] [replication] TestReplication.queueFailover can fail because HBaseTestingUtility.createMultiRegions is dangerous
...HBaseTestingUtility.createMultiRegions is an abomination, it uses an already existing table and hot replaces the regions in it. I've seen TestReplication failing a few times because the "old...
, 2013-01-15, 19:40
[HBASE-7515] Store.loadStoreFiles should close opened files if there's an exception
...Related to HBASE-7513. If a RS is able to open a few store files in Store.loadStoreFiles but one of them fails like in 7513, the opened files won't be closed and file descriptors will remain...
, 2013-01-15, 19:40
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