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meta region cpu contention - HBase - [mail # user]
...We are doing a map-reduce run to extract all keys from 500 tables with few million records each.  What we noticed is that it seems that the region server that holds the .meta. is somewh...
   Author: Jack Levin, 2010-12-24, 00:29
more on topic of REST getting frozen while PUTting - HBase - [mail # user]
...I found this in our gc.log:   2010-12-23T10:48:48.390-0800: 1172863.477: [Full GC [PSYoungGen: 5156K->0K(22720K)] [PSOldGen: 1296647K->1172950K(1278336K)] 1301804K->1172950K(13...
   Author: Jack Levin, 2010-12-23, 19:01
Re: rest memory issues - HBase - [mail # user]
...We can, sure... Will let you now if it gets better.  -Jack  On Tue, Dec 21, 2010 at 5:05 PM, Ryan Rawson  wrote:...
   Author: Jack Levin, 2010-12-22, 01:09
Re: question about multi-transaction queries - HBase - [mail # user]
...I guess what I really want to do is make sure that hbase api calls are most efficient.  The issue is not the front end tcp persistency. Ryan says:   So this is what we want.  ...
   Author: Jack Levin, 2010-12-18, 19:28
Re: unable to retrieve data from port 60010 - HBase - [mail # user]
...I think the issue was that the meta region was on a serving that was flaking out... this has been corrected and we are staying up with port 60010.  -Jack  On Thu, Dec 9, 2010 at 3:...
   Author: Jack Levin, 2010-12-10, 02:22
Re: Scalability on multi-core machines - HBase - [mail # user]
...I run master, regionserver and zookeeper on one server.  Good question thoug h - does regionserver run multi-threaded?  -Jack   On Nov 28, 2010, at 4:44 AM, Marcus Chou  ...
   Author: Jack Levin, 2010-11-28, 18:47
Re: REST compression support (was Re: question about meta data query intensity) - HBase - [mail # user]
...Yes, we will... issue is, our product collects data from various sources and then stuffs it en'mass into HBASE.  It makes no sense to do one PUT at a time because we would be opening 10...
   Author: Jack Levin, 2010-11-25, 17:56
Re: anyone have the biggest data size in production environment? - HBase - [mail # user]
...We are at 35 TB now.  -Jac  On Wed, Nov 24, 2010 at 12:35 PM, Todd Lipcon  wrote:...
   Author: Jack Levin, 2010-11-24, 20:42
Re: question about meta data query intensity - HBase - [mail # user]
...Yes, I am game.  -Jack  On Wed, Nov 24, 2010 at 11:02 AM, Stack  wrote: ote: ces around in addition to the region location caching that HConnectionManag er does behind the sce...
   Author: Jack Levin, 2010-11-24, 19:53
Re: Where do you get your hardware? - HBase - [mail # user]
...We are doing it with system integrator called Racklogic in San Jose. We tell them what to build and they do it per our intructions.  We are running 3 datacenters with 500 servers howeve...
   Author: Jack Levin, 2010-11-03, 21:36
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