hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Harsh J <ha...@cloudera.com>
Subject Re: secondary namenode storage location
Date Sat, 25 Aug 2012 14:14:18 GMT
Hi,

(In addition to what HÃ¥vard has posted)

On Fri, Aug 24, 2012 at 7:50 PM, Abhay Ratnaparkhi
<abhay.ratnaparkhi@gmail.com> wrote:
> What happened if I don't specify that property (or What is the default
> location secondary namenode uses)?

If you do not specify an explicit local path, a /tmp-based path is
used (inherited from hadoop.tmp.dir), which is cleared out at reboots
or by tmpwatch (if on a noatime FS), and that can prove dangerous (you
lose backup fsimage copies).

-- 
Harsh J

Mime
View raw message