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Re: NameNode heapsize - Hadoop - [mail # user]
...On Jun 13, 2011, at 5:52 AM, Steve Loughran wrote: files   +1   (I'm actually sort of surprised the NN is still standing with only 24mb.   The gc logs would be interesting to ...
   Author: Allen Wittenauer, 2011-06-13, 16:13
Re: LimitedPrivate and HBase (thoughts from an observer) - Hadoop - [mail # general]
...On Jun 8, 2011, at 6:53 AM, Doug Meil wrote: privilege?" / " What is the criteria by which an API gets opened to  something outside of the Hadoop umbrella" necessary?  Everybody kn...
   Author: Allen Wittenauer, 2011-06-08, 16:40
[expand - 1 more] - Re: Update on 0.22 - Hadoop - [mail # general]
...On Jun 2, 2011, at 11:06 AM, Konstantin Shvachko wrote:  attention  The traditional response has almost always been that they get changed to  non-blockers before release. &nbs...
   Author: Allen Wittenauer, 2011-06-02, 18:08
[expand - 1 more] - Re: Unable to start hadoop-0.20.2 but able to start hadoop-0.20.203 cluster - Hadoop - [mail # user]
...On May 27, 2011, at 1:18 PM, Xu, Richard wrote:  0.20.203 takes us 3 mins, why 0.20.2 took 3 days. detection to work properly"?   It's in the FAQ so that I don't have to do that. &...
   Author: Allen Wittenauer, 2011-05-27, 22:52
[expand - 1 more] - Re: Hadoop tool-kit for monitoring - Hadoop - [mail # user]
...On May 17, 2011, at 3:11 PM, Mark question wrote:  do it performance   We watch memory with Ganglia.  We also tune our systems such  that a task will only take X amount. ...
   Author: Allen Wittenauer, 2011-05-17, 22:15
[expand - 7 more] - Re: Defining Hadoop Compatibility -revisiting- - Hadoop - [mail # general]
...On May 16, 2011, at 2:29 PM, Eli Collins wrote:  jor does a change need to be under the line?    In the case of CDH2 and 3,  in order to test it out, I actually had to ba...
   Author: Allen Wittenauer, 2011-05-16, 21:42
Re: Acceptance tests - Hadoop - [mail # general]
...On May 16, 2011, at 11:03 AM, Evert Lammerts wrote:  Hadoop? Any pointers to relevant methods?   We get some test nodes from various manufacturers.  We do some  raw IO b...
   Author: Allen Wittenauer, 2011-05-16, 19:46
Re: Cleaning up documentation from website - Hadoop - [mail # general]
...On May 11, 2011, at 1:20 PM, Owen O'Malley wrote:   ^--- this is a much more interesting discussion.   (What does "current" mean now?)...
   Author: Allen Wittenauer, 2011-05-11, 20:55
Re: Suggestions for swapping issue - Hadoop - [mail # user]
...On May 11, 2011, at 11:11 AM, Adi wrote:   It sounds like you are only taking into consideration the heap size.  Ther e is more memory allocated than just the heap...  y &nbs...
   Author: Allen Wittenauer, 2011-05-11, 19:55
Re: Stability issue - dead DN's - Hadoop - [mail # general]
...On May 11, 2011, at 5:57 AM, Eric Fiala wrote: ]  + 4 * OS   +1 to what Eric said.   You've exhausted memory and now the whole system is falling  apart.    lowe...
   Author: Allen Wittenauer, 2011-05-11, 16:45
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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