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[HBASE-3680] Publish more metrics about mslab - HBase - [issue]
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...We have been using mslab on all our clusters for a while now and it seems it tends to OOME or send us into GC loops of death a lot more than it used to. For example, one RS with mslab enable...
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http://issues.apache.org/jira/browse/HBASE-3680
Author: Jean-Daniel Cryans,
2013-05-04, 00:34
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[HBASE-4794] Altering a tables that splits can hold the command for the CatalogJanitor sleep time - HBase - [issue]
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...In AssignmentManager.getReopenStatus, it calls a version of MetaReader.getTableRegions that sets excludeOfflinedSplitParents to false meaning that the offline parents are returned. What this...
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http://issues.apache.org/jira/browse/HBASE-4794
Author: Jean-Daniel Cryans,
2013-05-03, 21:22
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[HBASE-5086] Reopening a region on a RS can leave it in PENDING_OPEN - HBase - [issue]
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...I got this twice during the same test.If the region servers are slow enough and you run an online alter, it's possible for the RS to change the znode status to CLOSED and have the master sen...
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http://issues.apache.org/jira/browse/HBASE-5086
Author: Jean-Daniel Cryans,
2013-05-03, 21:21
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[HBASE-5349] Automagically tweak global memstore and block cache sizes based on workload - HBase - [issue]
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...Hypertable does a neat thing where it changes the size given to the CellCache (our MemStores) and Block Cache based on the workload. If you need an image, scroll down at the bottom of this l...
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http://issues.apache.org/jira/browse/HBASE-5349
Author: Jean-Daniel Cryans,
2013-05-03, 21:18
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[HBASE-5386] [usability] Soft limit for eager region splitting of young tables - HBase - [issue]
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...Coming out of HBASE-2375, we need a new functionality much like hypertable's where we would have a lower split size for new tables and it would grow up to a certain hard limit. This helps us...
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http://issues.apache.org/jira/browse/HBASE-5386
Author: Jean-Daniel Cryans,
2013-05-03, 21:17
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[HBASE-5556] The JRuby jar we're shipping has a readline problem on some OS - HBase - [issue]
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...I started seeing this problem on our Ubuntu servers since 0.92.0, ^H isn't detected correctly anymore in the readline rb version that's shipped with jruby 1.6.5It works when I use the 1.6.0 ...
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http://issues.apache.org/jira/browse/HBASE-5556
Author: Jean-Daniel Cryans,
2013-05-03, 21:15
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[HBASE-7541] Convert all tests that use HBaseTestingUtility.createMultiRegions to HBA.createTable - HBase - [issue]
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...Like I discussed in HBASE-7534, HBaseTestingUtility.createMultiRegions should disappear and not come back. There's about 25 different places in the code that rely on it that need to be chang...
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http://issues.apache.org/jira/browse/HBASE-7541
Author: Jean-Daniel Cryans,
2013-05-03, 21:06
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[HBASE-6417] hbck merges .META. regions if there's an old leftover - HBase - [issue]
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...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...
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http://issues.apache.org/jira/browse/HBASE-6417
Author: Jean-Daniel Cryans,
2013-05-03, 20:59
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[HBASE-6990] Pretty print TTL - HBase - [issue]
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...I've seen a lot of users getting confused by the TTL configuration and I think that if we just pretty printed it it would solve most of the issues. For example, let's say a user wanted to se...
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http://issues.apache.org/jira/browse/HBASE-6990
Author: Jean-Daniel Cryans,
2013-05-03, 20:56
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[HBASE-7613] Default hbase.regionserver.checksum.verify to true now that HDFS-3429 was committed - HBase - [issue]
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...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...
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http://issues.apache.org/jira/browse/HBASE-7613
Author: Jean-Daniel Cryans,
2013-05-03, 20:53
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