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Confirming RS hotspotting - HBase - [mail # user]
...Hi,  I'm playing with a small HB cluster and one one box running the RS stands out  from the rest: * it uses more CPU, more memory * has much higher disk read rate * even higher di...
   Author: Otis Gospodnetic, 2011-03-05, 04:51
[expand - 3 more] - Re: Questions about HBase Cluster Replication - HBase - [mail # user]
...Here it is: https://issues.apache.org/jira/browse/HBASE-3597  I think we'll have the opportunity to test out cluster replication and provide  feedback soon.  Otis Sematext :: ...
   Author: Otis Gospodnetic, 2011-03-03, 22:04
Questions about HBase replication - HBase - [mail # user]
...Hello,  That http://hbase.apache.org/replication.html is informative, but I have some  more Qs (thay may end up qualifying as FAQs):  1. What happens if data is modified in th...
   Author: Otis Gospodnetic, 2011-03-02, 18:05
HBase replication documentation - HBase - [mail # user]
...Hi,  What's the best place to learn about HBase replication? I found http://hbase.apache.org/book/cluster_replication.html , but note how  there is only a link there, and that link...
   Author: Otis Gospodnetic, 2011-03-02, 16:50
[expand - 2 more] - Re: Stack Overflow? - HBase - [mail # user]
...Hi,     Hm... we already index HBase and other Digests on search-hadoop.com. I was thinking more along the lines of mining the ML archives and doing  automatic Q&A extraction....
   Author: Otis Gospodnetic, 2011-03-01, 18:03
[expand - 2 more] - Re: Ad-hoc reports against HBase - any way? any tools? - HBase - [mail # user]
...Ah, I have another question:  When you have HBase-Hive integration in place, how do you control how queries  that come in via Hive affect the HBase cluster? Consider a HBase cluste...
   Author: Otis Gospodnetic, 2011-02-25, 22:39
Re: Multiple scans vs single scan with filters - HBase - [mail # user]
...Hi,    Would your answer be different if Alex/you knew if that data was actually read  from either the OS cache or MemStore? One can tell if disk is doing IO (or not) by using...
   Author: Otis Gospodnetic, 2011-02-24, 03:53
Major compactions and OS cache - HBase - [mail # user]
...Hi,  Over on http://www.larsgeorge.com/2010/05/hbase-file-locality-in-hdfs.html I saw  this bit:  "The most important factor is that HBase is not restarted frequently and that...
   Author: Otis Gospodnetic, 2011-02-16, 12:30
Tables "in memory", not cached, etc. - performance advice needed - HBase - [mail # user]
...Hi,  I've searched high and low (including on our own search-hadoop.com, Google,  HBase wiki), but could not find the details around marking a table as being "in  memory". &nb...
   Author: Otis Gospodnetic, 2011-01-19, 18:40
HBase performance metrics gotchas? - HBase - [mail # user]
...Hi,  Are there any gotchas around turning on HBase performance metrics  gathering/publishing (the stuff described on  http://hbase.apache.org/docs/current/metrics.html), such ...
   Author: Otis Gospodnetic, 2011-01-19, 17:30
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