[Gluster-users] CIFS options - anyone done A-B comparisons on various setups?

[Gunnar]

Small correction, just recovered the machine which stopped accepting 
files yesterday night, the average load was 90!!!



Am 11.12.2012 10:10, schrieb Gunnar:
> Whit,
>
> after testing for a while (after copying several 100000 files) it 
> seems that either glusterfs or glusternfs is crashing under load.
> The the average load on the machine goes up to 8 or 9, before it was 
> max around 1, but there is no according process
>
> I found a post which describes this behaviour:
> http://serverfault.com/questions/365061/high-load-average-low-cpu-usage-why 
>
>
> So it could be that the load goes up after gluster nfs has crashed.
>
> There is not much information in the nfs.log
>
> [2012-12-05 21:02:18.035575] W 
> [socket.c:1512:__socket_proto_state_machine] 0-gv01-client-1: reading 
> from socket failed. Error (Transport endpoint is not connected), peer 
> (10.12.96.27:24009)
> [2012-12-05 21:02:18.036141] I [client.c:2090:client_rpc_notify] 
> 0-gv01-client-1: disconnected
> [2012-12-05 21:02:28.780956] E [socket.c:1715:socket_connect_finish] 
> 0-gv01-client-1: connection to 10.XXX.XXX.XXX:24009 failed (Connection 
> refused)
> [2012-12-05 21:19:41.217198] I [glusterfsd.c:1666:main] 
> 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.3.1
> [2012-12-05 21:19:42.389196] I [nfs.c:821:init] 0-nfs: NFS service 
> started
> [2012-12-05 21:19:42.393121] W [graph.c:316:_log_if_unknown_option] 
> 0-nfs-server: option 'rpc-auth.auth-glusterfs' is not recognized
> [2012-12-05 21:19:42.393180] W [graph.c:316:_log_if_unknown_option] 
> 0-nfs-server: option 'rpc-auth-allow-insecure' is not recognized
> [2012-12-05 21:19:42.393212] W [graph.c:316:_log_if_unknown_option] 
> 0-nfs-server: option 'transport-type' is not recognized
> [2012-12-05 21:19:42.393269] I [client.c:2142:notify] 0-gv01-client-0: 
> parent translators are ready, attempting connect on transport
> [2012-12-05 21:19:42.400269] I [client.c:2142:notify] 0-gv01-client-1: 
> parent translators are ready, attempting connect on transport
> Given volfile:
> +------------------------------------------------------------------------------+ 
>
>
> Just for anybody else, this is on Centos 6.3, Samba 3.6.10
>
> I still don't know what causes this behaviour. If anybody has an idea 
> how to fix it...
>
> Thanks,
>
> Gunnar
>
>
> Am 05.12.2012 14:33, schrieb Whit Blauvelt:
>> Gunnar,
>>
>>> Second fastest is #1,  nfs mount shared by Samba 4000 files in 
>>> around 6 min
>>> Slowest is #2  where I need more than 12 min for 4000 files.
>> Thanks for running that test. That's a significant difference.
>>
>> I wonder in the Samba > Gluster client > Gluster server scenario 
>> whether the
>> slowness is the Gluster client transacting with both servers rather than
>> just the local one.
>>
>> You've at least confirmed my suspicion that Samba > NFS > Gluster is 
>> not at
>> any speed disadvantage. And in many months of running that way, as I 
>> said,
>> there have been no performance complaints - although with this an
>> unsupported configuration it could turn out we've just been lucky and 
>> that
>> there's something yet that can go wrong.
>>
>> Whit
>
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