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Re: [ANNOUNCE] Apache HBase 1.0.0 is now available for download - HBase - [mail # user]
...What a milestone!  Congratulations to the HBase developer community andeveryone who worked to make this happen.  HBase has come a long way overthe years.On Tue, Feb 24, 2015 at 12:...
   Author: Dave Latham, 2015-02-24, 15:18
[HBASE-9089] HRegion.heapSize is missing many fields - HBase - [issue]
...HRegion's heapSize method is missing many fields from its calculation.The static value DEEP_OVERHEAD is missing these:  // 1 x HashMap - coprocessorServiceHandlers  // 6 ...
http://issues.apache.org/jira/browse/HBASE-9089    Author: Dave Latham, 2015-02-17, 16:00
[HBASE-13042] MR Job to export HFiles directly from an online cluster - HBase - [issue]
...We're looking at the best way to bootstrap a new remote cluster.  The source cluster has a a large table of compressed data using more than 50% of the HDFS capacity and we have a WAN li...
http://issues.apache.org/jira/browse/HBASE-13042    Author: Dave Latham, 2015-02-16, 21:19
Re: Does hbase WAL ensures no data loss? - HBase - [mail # user]
...Hi Hongbin,The WAL class is used internally to the region server.  Typically an HBasewrite operation will first call WAL.append() with the data, then later,after releasing locks, call W...
   Author: Dave Latham, 2015-02-16, 14:06
Re: Migrating data from HBase 0.94 to 0.98 - HBase - [mail # user]
...There's also a patch at https://issues.apache.org/jira/browse/HBASE-12814to allow you to run replication between a 0.94 cluster and a 0.98 cluster.With that you can get the data setup in bot...
   Author: Dave Latham, 2015-02-10, 15:16
[expand - 2 more] - Re: Changing it so we do NOT archive hfiles by default - HBase - [mail # dev]
...Even with the manifest feature, it is still inefficient to iterate overevery hfile in the archive and check with the namenode to see if there is anew snapshot manifest that may reference tha...
   Author: Dave Latham, 2014-11-24, 17:52
[HBASE-11496] HBASE-9745 broke cygwin CLASSPATH translation - HBase - [issue]
...HBASE-9745 put HBASE_CLASSPATH back at the end of the Java classpath, but also moved it to happen after the cygwin translation which broke it....
http://issues.apache.org/jira/browse/HBASE-11496    Author: Dave Latham, 2014-08-09, 05:40
[HBASE-10089] Metrics intern table names cause eventual permgen OOM in 0.94 - HBase - [issue]
...As part of the metrics system introduced in HBASE-4768 there are two places that hbase uses String interning ( SchemaConfigured and SchemaMetrics ).  This includes interning table names...
http://issues.apache.org/jira/browse/HBASE-10089    Author: Dave Latham, 2014-05-30, 18:23
[HBASE-9931] Optional setBatch for CopyTable to copy large rows in batches - HBase - [issue]
...We've had CopyTable jobs fail because a small number of rows are wide enough to not fit into memory.  If we could specify the batch size for CopyTable scans that shoud be able to break ...
http://issues.apache.org/jira/browse/HBASE-9931    Author: Dave Latham, 2013-12-04, 23:49
[HBASE-9888] HBase replicates edits written before the replication peer is created - HBase - [issue]
...When creating a new replication peer the ReplicationSourceManager enqueues the currently open HLog to the ReplicationSource to ship to the destination cluster.  The ReplicationSource st...
http://issues.apache.org/jira/browse/HBASE-9888    Author: Dave Latham, 2013-11-06, 21:54
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB