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Re: hbase block-cache scan.setCaching(false) not being respected - HBase - [mail # user]
...The Block Cache is used for more than just the scanner caching. Additionally, *hfile.block.cache.size *is a server-side config, whilescan.setCaching(false) is on an RPC-level.  So ...
   Author: Bryan Beaudreault, 2014-06-02, 20:06
Re: Full stack rolling restart - HBase - [mail # user]
...Restarting datanodes has been tricky for us from an HBase perspective.  Italways causes a bunch of timeouts and thus blips of service interruption.Perhaps the above JIRAs will help that...
   Author: Bryan Beaudreault, 2014-05-29, 15:46
Re: How to set number of mappers when using HBaseStorage - HBase - [mail # user]
...Hansi's scheduler configuration is the real solution here, but combiningmore regions into a single split is useful for other reasons.  Specificallyit helps control load against an HBase...
   Author: Bryan Beaudreault, 2014-05-21, 15:20
Re: suggestion for how eliminate memory problem in heavy-write hbase region server - HBase - [mail # user]
...Just changing JAVA_HOME worked for us.On Sun, Apr 27, 2014 at 9:44 PM, Henry Hung  wrote: ...
   Author: Bryan Beaudreault, 2014-04-28, 03:07
Re: Leaving the world of SQL, need some basic guidance and/or ideas - HBase - [mail # dev]
...Coprocessors: https://blogs.apache.org/hbase/entry/coprocessor_introductionThe blog appears to be down or slow right now though.On Wed, Apr 23, 2014 at 11:32 AM, raddad555 wrote: ...
   Author: Bryan Beaudreault, 2014-04-23, 15:51
Re: hadoop block locations - HBase - [mail # user]
...I responded to your post on the hadoop user list, but you will need to domanual major compactions to recover locality.  It may recover automaticallyover time, but only if there is activ...
   Author: Bryan Beaudreault, 2014-03-28, 01:52
Re: Hbase snapshot timeout - HBase - [mail # user]
...hbase.snapshot.master.timeout.millis allows you to control the timeout Ibelieve.On Thu, Mar 27, 2014 at 9:38 AM, Alex Simenduev  wrote: ...
   Author: Bryan Beaudreault, 2014-03-27, 16:20
Re: region locality - HBase - [mail # user]
...The balancer in 0.92.x is very naive.  It just ensures that allregionservers will have approximately the same number of regions. Therefore, the answer is: "yes it is possible, but ...
   Author: Bryan Beaudreault, 2014-03-26, 02:07
Re: Hbase tuning for heavy write cluster - HBase - [mail # user]
...We have 5 production HBase clusters, one of which hosts the TSDB data.  2of these clusters (including the TSDB one) have been running 100% java7 forup to a couple weeks.  We notice...
   Author: Bryan Beaudreault, 2014-01-25, 03:11
Re: HBase 0.94.15: writes stalls periodically even under moderate steady load (AWS EC2) - HBase - [mail # dev]
...This might be better on the user list? Anyway..  How many IPC handlers are you giving?  m1.xlarge is very low cpu.  Not only does it have only 4 cores (more cores allow more c...
   Author: Bryan Beaudreault, 2014-01-16, 18:33
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