Hi Michael.Did you have a chance to see the logs ? Best Regards.
On Wed, Nov 5, 2008 at 1:24 PM, Slava Gorelik <[EMAIL PROTECTED]>wrote: > Hi Michael.3'rd part (last) of the logs > > > On Tue, Nov 4, 2008 at 11:31 PM, stack <[EMAIL PROTECTED]> wrote: > >> Slava Gorelik wrote: >> >>> One more regarding the blockCache, how changes in store files (as i >>> understand those are MapFiles) are reflected on client side cache. If we >>> are >>> talking about more than one client that doing a changes ? If each client >>> has >>> different part of the MapFile ? or something else ? >>> >>> >> >> The block cache cache is over in the server. Its a cache for store files >> which never change once written. Did I say client-side cache? I should >> have been more clear. The client in this case is the regionserver itself. >> The cache is so the regionserver saves on its trips over the network >> visiting datanodes. >> St.Ack >> >> >> >> Best Regards. >>> >>> On Tue, Nov 4, 2008 at 11:10 PM, Slava Gorelik <[EMAIL PROTECTED] >>> >wrote: >>> >>> >>> >>>> I can try to reproduce it again, but before this i would like to send >>>> you a >>>> logs. >>>> Best Regards. >>>> >>>> >>>> On Tue, Nov 4, 2008 at 10:05 PM, stack <[EMAIL PROTECTED]> wrote: >>>> >>>> >>>> >>>>> Then we should try and figure if there is an issue in the balancer, or >>>>> maybe there is something missing if we are not doing a big upload in a >>>>> manner that balances the upload across HDFS? >>>>> St.Ack >>>>> >>>>> Slava Gorelik wrote: >>>>> >>>>> >>>>> >>>>>> Sure, i'll arrange logs tomorrow.About balancer, to wait when the >>>>>> massive >>>>>> work is finished is good in testing environment but in production it's >>>>>> not >>>>>> relevant :-) >>>>>> >>>>>> Best Regards. >>>>>> >>>>>> On Tue, Nov 4, 2008 at 9:48 PM, stack <[EMAIL PROTECTED]> wrote: >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>> Slava Gorelik wrote: >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> Hi.Regarding the failure of new block creation - i failed to run >>>>>>>> hbase >>>>>>>> till >>>>>>>> i reformatted HDFS again. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> I'd be interested in the logs. >>>>>>> >>>>>>> I just wandering if hadoop re balancing is necessary? Will it >>>>>>> balance >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> itself >>>>>>>> ? As i understand hadoop balancer is moving data between data nodes, >>>>>>>> but >>>>>>>> in >>>>>>>> my case this is during massive (8 clients just adding a records - >>>>>>>> about >>>>>>>> 400 >>>>>>>> requests for all region servers - 6). So, is it good idea to run >>>>>>>> balancer during heavy load ? >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> I don't have sufficient experience running the balancer. Perhaps >>>>>>> wait >>>>>>> till >>>>>>> upload is done, then run it? >>>>>>> >>>>>>> St.Ack >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>> >>> >>> >> >> >
