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 ? 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 >>>> >>>> >>>> >>> >>> >>> >> >> >
