Hi, Well I think you should only restart your SNN after the change. Also refer the checkpoint directory for any 'in_use.lock' file.
Thanks Jitendra On 9/6/13, Munna <[email protected]> wrote: > Thank you Jitendar. > > After chage these perameter on SNN, is it require to restart NN also? > please confirm... > > > On Fri, Sep 6, 2013 at 12:10 AM, Jitendra Yadav > <[email protected]>wrote: > >> Hi, >> >> If you are running SNN on same node as NN then it's ok otherwise you >> should add these properties at SNN side too. >> >> >> Thanks >> Jitendra >> On 9/6/13, Munna <[email protected]> wrote: >> > you mean that same configurations are required as NN in SNN >> > >> > >> > On Thu, Sep 5, 2013 at 11:58 PM, Harsh J <[email protected]> wrote: >> > >> >> These configs need to be present at SNN, not at just the NN. >> >> >> >> On Thu, Sep 5, 2013 at 11:54 PM, Munna <[email protected]> wrote: >> >> > Hi Yadav, >> >> > >> >> > We are using CDH3 and I restarted after changing configuration. >> >> > <property> >> >> > <name>fs.checkpoint.dir</name> >> >> > <value>/data/1/dfs/snn,/nfsmount/dfs/snn</value> >> >> > <final>true</final> >> >> > </property> >> >> > <property> >> >> > <name>fs.checkpoint.period</name> >> >> > <value>3600</value> >> >> > <description>The number of seconds between two >> periodic >> >> > checkpoints</description> >> >> > </property> >> >> > >> >> > I have entered these changes in Namenode only. >> >> > >> >> > >> >> > On Thu, Sep 5, 2013 at 11:47 PM, Jitendra Yadav < >> >> [email protected]> >> >> > wrote: >> >> >> >> >> >> Please share your Hadoop version and hdfs-site.xml conf also I'm >> >> >> assuming that you already restarted your cluster after changing >> >> >> fs.checkpoint.dir. >> >> >> >> >> >> Thanks >> >> >> On 9/5/13, Munna <[email protected]> wrote: >> >> >> > Hi, >> >> >> > >> >> >> > I have configured fs.checkpoint.dir in hdfs-site.xml, but still >> >> >> > it >> >> >> > was >> >> >> > writing in /tmp location. Please give me some solution for >> >> checkpointing >> >> >> > on >> >> >> > respective location. >> >> >> > >> >> >> > -- >> >> >> > *Regards* >> >> >> > * >> >> >> > * >> >> >> > *Munna* >> >> >> > >> >> > >> >> > >> >> > >> >> > >> >> > -- >> >> > Regards >> >> > >> >> > Munna >> >> >> >> >> >> >> >> -- >> >> Harsh J >> >> >> > >> > >> > >> > -- >> > *Regards* >> > * >> > * >> > *Munna* >> > >> > > > > -- > *Regards* > * > * > *Munna* >
