Which version of Hadoop?
Yes saveNamespace as you described will checkpoint the FsImage and reset
your edits log so it will reduce startup time.
On Thu, Jul 24, 2014 at 8:25 AM, Anfernee Xu wrote:
> Yes, I have secondary NM, but without HA, but after I killed NM and
> secondary NM, the startup
Yes, I have secondary NM, but without HA, but after I killed NM and
secondary NM, the startup time was still too long(4 hours), what else
should I do? Will "hadoop dfsadmin -saveNamespace" resolve the issue?
Thanks for your help.
On Wed, Jul 23, 2014 at 10:58 PM, Stanley Shi wrote:
> Do you h
Do you have a secondary namenode running? Secondary NN is used for this
purpose;
Also, if you have HDFS HA enabled, this problem will also not occur.
Regards,
*Stanley Shi,*
On Tue, Jul 22, 2014 at 7:24 AM, Anfernee Xu wrote:
> Hi,
>
> For some reason, all PIDs file are missing in my cluster,
Hi,
For some reason, all PIDs file are missing in my cluster, I have to
manually kill all java processes on all machines, then I restarted the
HDFS, but it took so long time in applying changes in edit log file, so my
question is how can I reduce the delay? My understanding is as follows,
could so
