Re: High iowait in idle hbase cluster

eas? > > Thanks. > > On 03 Sep 2015, at 18:57, Adrien Mogenet <adrien.moge...@contentsquare.com> > wrote: > > Is the uptime of RS "normal"? No quick and global reboot that could lead > into a regiongi-reallocation-storm? > > On 3 September 2015 at 18:42

Re: High iowait in idle hbase cluster

;>> Thanks. >>> >>> On 02 Sep 2015, at 18:20, Ted Yu <yuzhih...@gmail.com> wrote: >>> >>> Please provide some more information: >>> >>> release of hbase / hadoop you're using >>> were region servers doing compaction ?

Re: High iowait in idle hbase cluster

hbase cluster is almost idle. > What could cause this kind of behaviour? > > p.s. each node in the cluster have 2 core, 4 gb ram, just in case. > > Thanks. > > > On 03 Sep 2015, at 17:46, Adrien Mogenet <adrien.moge...@contentsquare.com> > wrote: > > Is your

Re: How to find bottlenecks of the cluster ?

gotomyp...@gmail.com wrote: Hi, I wanted to understand, how should we find out the bottleneck of the cluster? Thanks Krish -- *Adrien Mogenet* Head of Backend/Infrastructure adrien.moge...@contentsquare.com (+33)6.59.16.64.22 http://www.contentsquare.com 4, avenue Franklin D. Roosevelt

Re: Interview Questions asked

their interview on hadoop? I found few on internet but if somebody who has attended the interview can give us an idea , that will be great. Thanks Krish -- Russell Jurney twitter.com/rjurney russell.jur...@gmail.com datasyndrome. com -- *Adrien Mogenet* Head of Backend/Infrastructure

Poor HDFS performances: Slow BlockReceiver write packet to mirror

+deb7u2 x86_64 10x 1TB SAS drives OpenJDK Runtime Environment (IcedTea 2.5.3) (7u71-2.5.3-2~deb7u1) OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode) Best, -- *Adrien Mogenet* Head of Backend/Infrastructure adrien.moge...@contentsquare.com (+33)6.59.16.64.22 http://www.contentsquare.com 4