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[HBASE-4348] Add metrics for regions in transition - HBase - [issue]
...The following metrics would be useful for monitoring the master: the number of regions in transition the number of regions in transition that have been in transition for more than a minute h...
http://issues.apache.org/jira/browse/HBASE-4348    Author: Todd Lipcon, 2012-04-06, 05:31
Re: Sync latency - HBase - [mail # user]
...Hi Placido,  Sounds like it might be related to HDFS-2379. Try updating to Hadoop 1.0.1 or CDH3u3 and you'll get a fix for that.  You can verify by grepping for "BlockReport" in yo...
   Author: Todd Lipcon, 2012-04-05, 18:16
Re: Pull instant schema updating out? - HBase - [mail # dev]
...I agree having two implementations seems like a big mess. Any sense which one is closer to working for the average user (i.e without provisions like "don't split or crash servers mid-alter")...
   Author: Todd Lipcon, 2012-04-02, 23:58
Re: ANN: The first hbase 0.94.0 release candidate is available for download - HBase - [mail # dev]
...To be clear, a rolling restart from 90 to 94 isn't expected to work. But a shutdown and restart ought to. (If not, like Jon said, we'll be fixing it)  -Todd  On Wed, Mar 28, 2012 a...
   Author: Todd Lipcon, 2012-03-29, 15:56
Re: 0.92 and Read/writes not scaling - HBase - [mail # user]
...Hi Juhani,  I wouldn't have expected CDH4b1 (0.23) to be slower than 0.20 for writes. They should be around the same speed, or even a little faster in some cases. That said, I haven't p...
   Author: Todd Lipcon, 2012-03-27, 01:43
Re: Describing your patches, writing release notes - HBase - [mail # dev]
...Big +1. I think the commit messages that FB uses on their 0.89-fb branch are a great example to follow. It's handy to have the data right there in SVN, and if people are agreeable to it, I'd...
   Author: Todd Lipcon, 2012-03-26, 22:57
[HBASE-4957] Clean up some log messages, code in RecoverableZooKeeper - HBase - [issue]
...In RecoverableZooKeeper, there are a number of log messages and comments which don't really read correctly, and some other pieces of code that can be cleaned up. Simple cleanup - shouldn't b...
http://issues.apache.org/jira/browse/HBASE-4957    Author: Todd Lipcon, 2012-03-26, 01:34
Re: HBASE Code format - HBase - [mail # dev]
...Please no codebase-wide reformat. It makes moving patches between versions a huge pain in the butt, and loses blame data like Harsh said.  I find 120 characters too wide - on my laptop ...
   Author: Todd Lipcon, 2012-03-22, 19:42
Re: HBASE Code format - HBase - [mail # dev]
...+1 for 100 chars. I think unlimited gets messy.  On Thu, Mar 22, 2012 at 9:50 AM, Dave Wang  wrote: e: t of le ; is    Todd Lipcon Software Engineer, Cloudera...
   Author: Todd Lipcon, 2012-03-22, 18:06
[HBASE-4274] RS should periodically ping its HLog pipeline even if no writes are arriving - HBase - [issue]
...If you restart HDFS underneath HBase, when HBase isn't taking any write load, the region servers won't "notice" that there's any problem until the next time they take a write, at which point...
http://issues.apache.org/jira/browse/HBASE-4274    Author: Todd Lipcon, 2012-03-21, 17:06
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