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
