So when will the replication happen ? Do you know which part of code control the replication ? Thanks.
On Sun, Jun 13, 2010 at 11:10 AM, Eric Sammer <esam...@cloudera.com> wrote: > There is no way to force replication other than setrep. Do you have > fewer nodes than configured replicas? Hadoop will not place two > replicas on one data node, for instance. > > On Sat, Jun 12, 2010 at 12:18 AM, Jeff Zhang <zjf...@gmail.com> wrote: >> But when I invoke command fsck, it show that one replica is missing. >> So how can I force the replication ? >> >> On Sat, Jun 12, 2010 at 12:13 PM, Eric Sammer <esam...@cloudera.com> wrote: >>> Jeff: >>> >>> The name node will instruct the data nodes to do either remove or >>> create new replicas. There's nothing additional you need to do other >>> than fs -setrep. >>> >>> On Fri, Jun 11, 2010 at 3:18 AM, Jeff Zhang <zjf...@gmail.com> wrote: >>>> Hi all, >>>> >>>> The command bin/hadoop setrepr only affect the metadata in namenode. >>>> So How can I make it take effect on data node ? Thanks. >>>> >>>> -- >>>> Best Regards >>>> >>>> Jeff Zhang >>>> >>> >>> >>> >>> -- >>> Eric Sammer >>> phone: +1-917-287-2675 >>> twitter: esammer >>> data: www.cloudera.com >>> >> >> >> >> -- >> Best Regards >> >> Jeff Zhang >> > > > > -- > Eric Sammer > phone: +1-917-287-2675 > twitter: esammer > data: www.cloudera.com > -- Best Regards Jeff Zhang