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[HBASE-2342] Consider adding a watchdog node next to region server - HBase - [issue]
...This idea has been bandied about a fair amount. The concept is to add a second java process that runs next to each region server to act as a watchdog. Several possible purposes: monitor the ...
http://issues.apache.org/jira/browse/HBASE-2342    Author: Todd Lipcon, 2012-10-30, 22:20
[HBASE-4254] Get tests passing on Hadoop 23 - HBase - [issue]
...Currently some 30 or so tests are failing on the "HBase-trunk-on-hadoop-23" build. It looks like most are reflection-based issues....
http://issues.apache.org/jira/browse/HBASE-4254    Author: Todd Lipcon, 2012-10-30, 22:01
[HBASE-3411] manually compact memstores? - HBase - [issue]
...I have a theory and some experiments that indicate our heap fragmentation issues has to do with the KV buffers from memstores ending up entirely interleaved in the old gen. I had a bit of wi...
http://issues.apache.org/jira/browse/HBASE-3411    Author: Todd Lipcon, 2012-10-30, 21:23
[HBASE-3682] Generate sources jar for tests - HBase - [issue]
...We currently make source jars for the main artifact, but not the test artifact....
http://issues.apache.org/jira/browse/HBASE-3682    Author: Todd Lipcon, 2012-10-30, 21:21
[HBASE-2441] ZK failures early in RS startup sequence cause infinite busy loop - HBase - [issue]
...If the RS loses its ZK session before it reports for duty, the abort() call will trigger an NPE, and then the stop boolean doesn't get toggled. The RS will then loop forever trying to regist...
http://issues.apache.org/jira/browse/HBASE-2441    Author: Todd Lipcon, 2012-10-30, 21:20
[HBASE-3346] NPE in processRegionInTransition causing master abort - HBase - [issue]
...After the abort in HBASE-3345, I restarted the master, and it crashed again during startup2010-12-13 12:57:00,367 DEBUG org.apache.hadoop.hbase.master.handler.ClosedRegionHandler: Handling C...
http://issues.apache.org/jira/browse/HBASE-3346    Author: Todd Lipcon, 2012-10-30, 21:19
[HBASE-4268] Add utility to entirely clear out ZK - HBase - [issue]
...In disaster scenarios, sometimes some cruft is left over in ZK, when it would be better to do a truely clean startup. We should add a script which allows the admin to clear out ZK while the ...
http://issues.apache.org/jira/browse/HBASE-4268    Author: Todd Lipcon, 2012-10-29, 23:20
[HBASE-2406] Define semantics of cell timestamps/versions - HBase - [issue]
...There is a lot of general confusion over the semantics of the cell timestamp. In particular, a couple questions that often come up: If multiple writes to a cell have the same timestamp, are ...
http://issues.apache.org/jira/browse/HBASE-2406    Author: Todd Lipcon, 2012-10-25, 12:59
[HBASE-4365] Add a decent heuristic for region size - HBase - [issue]
...A few of us were brainstorming this morning about what the default region size should be. There were a few general points made: in some ways it's better to be too-large than too-small, since...
http://issues.apache.org/jira/browse/HBASE-4365    Author: Todd Lipcon, 2012-10-19, 20:01
[HBASE-2445] Clean up client retry policies - HBase - [issue]
...Right now almost all retry behavior is governed by a single parameter that determines the number of retries. In a few places, there are also conf for the number of millis to sleep between re...
http://issues.apache.org/jira/browse/HBASE-2445    Author: Todd Lipcon, 2012-10-01, 20:43
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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