Thanks you all.
On Tue, Mar 20, 2012 at 2:44 PM, Harsh J <[email protected]> wrote: > John has already addressed your concern. I'd only like to add that > fixing of replication violations does not require your NN to be in > safe mode and it won't be. Your worry can hence be voided :) > > On Wed, Mar 21, 2012 at 2:08 AM, Patai Sangbutsarakum > <[email protected]> wrote: >> Thanks for your reply and script. Hopefully it still apply to 0.20.203 >> As far as I play with test cluster. The balancer would take care of >> replica placement. >> I just don't want to fall into the situation that the hdfs sit in the >> safemode >> for hours and users can't use hadoop and start yelping. >> >> Let's hear from others. >> >> >> Thanks >> Patai >> >> >> On 3/20/12 1:27 PM, "John Meagher" <[email protected]> wrote: >> >>>ere's the script I used (all sorts of caveats about it assuming a >>>replication factor of 3 and no real error handling, etc)... >>> >>>for f in `hadoop fsck / | grep "Replica placement policy is violated" >>>| head -n80000 | awk -F: '{print $1}'`; do >>> hadoop fs -setrep -w 4 $f >>> hadoop fs -setrep 3 $f >>>done >>> >>> >> > > > > -- > Harsh J
