The attachment didn't go through. Can you pastebin the logs ?
What was GC like before the crash ? How much heap did you give your region servers ? Cheers On Thu, Nov 7, 2013 at 7:28 PM, GuoWei <[email protected]> wrote: > Dear, > > Recently when I use CDH 4.0 to do M/R job. I always let Region Server > Crashed. Attached are region server logs. > > And In my M/R program , I set job reduceTaskNum to 4. Because I have two > data nodes each configured 2 reduce slots. > > Please help me find why ? > > > Thanks a lot. > > > > BR > Brad
