What is the reason? Could you explain in more details, what do you want to accomplish?
Leonid. On Tue, May 14, 2013 at 12:27 AM, Sandeep Nemuri <nhsande...@gmail.com>wrote: > Done Lets say 8hrs !! > now every 8hrs do we need to go into safemode ? > > > On Tue, May 14, 2013 at 12:53 PM, Nitin Pawar <nitinpawar...@gmail.com>wrote: > >> 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 >> > > > > -- > --Regards > Sandeep Nemuri >
