Re: Crashing Region Servers

2010-12-09 Thread Lance Riedel
9, 2010, at 3:57 PM, Ted Dunning wrote: > This could indicate swapping during GC. > > On Thu, Dec 9, 2010 at 12:13 PM, Lance Riedel wrote: > >> Seems reasonable, but having trouble making sense of the GC logs I had >> turned on. Basically since there was a full GC a mi

Re: Crashing Region Servers

2010-12-09 Thread Lance Riedel
list, for example: > http://search-hadoop.com/m/t97q027tr7f2 > > Make sure you don't swap, give plenty of RAM to HBase, use LZO > compression, don't underprovision your machines, etc > > J-D > > On Thu, Dec 9, 2010 at 11:27 AM, Lance Riedel wrote: >> >

Crashing Region Servers

2010-12-09 Thread Lance Riedel
We have a 6 node cluster, 5 with region serves. 2 of the region servers have been stable for days, but 3 of them keep crashing. Here are the logs around around when the crash occurs. (btw, we are shoving approximately the twitter firehose into hbase via flume) I'm an hbase newbie, but I have