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[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
[HBASE-2981] Improve consistency of performance during heavy load - HBase - [issue]
...Currently when running load tests like YCSB, we experience periods of complete cluster inactivity while all clients are blocked on a single region which is unavailable.As discussed recently ...
http://issues.apache.org/jira/browse/HBASE-2981    Author: Todd Lipcon, 2012-09-28, 03:54
[HBASE-3834] Store ignores checksum errors when opening files - HBase - [issue]
...If you corrupt one of the storefiles in a region (eg using vim to muck up some bytes), the region will still open, but that storefile will just be ignored with a log message. We should proba...
http://issues.apache.org/jira/browse/HBASE-3834    Author: Todd Lipcon, 2012-09-19, 20:49
[HBASE-5452] Fixes for HBase shell with protobuf-based data - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-5452    Author: Todd Lipcon, 2012-09-18, 22:55
Re: DISCUSSION: Component Lieutenants? - HBase - [mail # dev]
...On Fri, Sep 14, 2012 at 9:15 PM, lars hofhansl  wrote:  I feel like that would take us back to the status quo.  The downside of this proposal is that we should probably have s...
2 emails [+ more]    Author: Todd Lipcon, 2012-09-17, 21:12
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