every 5 minutes seems too much. why not do a daily or say 8 hours basis
On Tue, May 14, 2013 at 12:51 PM, Sandeep Nemuri <nhsande...@gmail.com>wrote: > I Agree with you Nitin .. > My Requirement is i want to copy the edits and fsimage from memory for > every 5mins. How does this works ? > > > On Tue, May 14, 2013 at 12:31 PM, Nitin Pawar <nitinpawar...@gmail.com>wrote: > >> if you do not put namenode in safemode that means your namenode can still >> accept request to write or delete files from hdfs. This may cause your >> snapshot to be a problematic in case you want to restore from it. Safemode >> is just an ensuring point that you have a standstill image to snapshot. >> >> >> >> >> On Tue, May 14, 2013 at 12:27 PM, Sandeep Nemuri <nhsande...@gmail.com>wrote: >> >>> Withuot going to safemode can't we get the Namespace ?? >>> >>> >>> On Tue, May 14, 2013 at 12:18 PM, Ling Kun <lkun.e...@gmail.com> wrote: >>> >>>> Hi Aditya: >>>> This command line may help you: >>>> >>>> hadoop dfsadmin --saveNamespace >>>> >>>> you should firstly perform it in safe mode. >>>> >>>> The corresponding design and implementation is described here: >>>> https://issues.apache.org/jira/browse/HADOOP-4826 >>>> >>>> >>>> yours, >>>> Ling Kun >>>> >>>> >>>> >>>> On Tue, May 14, 2013 at 2:37 PM, Aditya exalter < >>>> adityaexal...@gmail.com> wrote: >>>> >>>>> Hi, >>>>> >>>>> How to get the namenode data(edits and fsimage) from the main >>>>> memory(RAM) >>>>> >>>>> >>>>> >>>>> >>>>> >>>> >>>> >>>> -- >>>> http://www.lingcc.com >>>> >>> >>> >>> >>> -- >>> --Regards >>> Sandeep Nemuri >>> >> >> >> >> -- >> Nitin Pawar >> > > > > -- > --Regards > Sandeep Nemuri > -- Nitin Pawar
