[mapserver-users] [EXTERNAL] Re: mapcache and excessive NFS traffic

[Smith, Michael ERDC-RDE-CRREL-NH]

On linux, 

exportfs -f

run on the server will often refresh a lost nfs connection.

Mike

-- 
Michael Smith

US Army Corps
Remote Sensing GIS/Center



On 2/20/14, 2:18 PM, "Stephen Woodbridge" <woodbri at swoodbridge.com> wrote:

>On 2/20/2014 1:56 PM, Travis Kirstine wrote:
>> We are running mapcache in a cluster with each tile/ webserver mounted
>> to a shared cache.  Periodically (~once a month) the NFS mount will lock
>> and the load average on the web servers will skyrocket.
>>
>> Has anyone encountered something similar?
>
>Its been a few years but I have have found that it is better to use
>samba mounts for this kind of application because they are more or less
>stateless and they will recover a connection if a server drops out and
>comes back or even just times out on an access. I wasn't using mapcache
>but I did have a server farm with multiple systems all cross mounting a
>distributed cache and NFS required numerous reboots. All those issues
>went away using samba mounts.
>
>-Steve W
>
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