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
