Re: waiting for sub ops

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On Fri, 11 May 2012, Stefan Priebe - Profihost AG wrote:
> Hi,
> 
> all messages are always taling about snapc? I've no idea what this is.

snapc = "snap context", something that is attached to every write 
operation to inform copy-on-write for snapshotting in the object store.  
In this case it is irrelevant.

sage


> 
> Stefan
> 
> Am 11.05.2012 09:02, schrieb Stefan Priebe - Profihost AG:
> > Hi,
> > 
> > while doing some stress testing with bonnie++ i'm seeing always these
> > messages accross all osd's here is just an example for osd.2.
> > 
> > All machines are connected with 2x 1Gbit/s bonding mode 6 to a HP switch.
> > 
> > 2012-05-11 08:58:52.752057 osd.2 192.168.0.102:6801/4798 3218 : [WRN]
> > old request osd_op(mds.0.1:49546 200.00000027 [write 1643206~13552]
> > 1.379675e3) v4 received at 2012-05-11 08:58:22.044033 currently waiting
> > for sub ops
> > 2012-05-11 08:58:52.752059 osd.2 192.168.0.102:6801/4798 3219 : [WRN]
> > old request osd_op(client.4108.1:28755 10000008004.00000266 [write
> > 0~4194304] 0.79b497c7 snapc 1=[]) received at 2012-05-11 08:58:22.026435
> > currently waiting for sub ops
> > 2012-05-11 08:58:52.752061 osd.2 192.168.0.102:6801/4798 3220 : [WRN]
> > old request osd_op(client.4108.1:28762 10000008004.0000026d [write
> > 0~4194304] 0.493cb0d4 snapc 1=[]) received at 2012-05-11 08:58:22.191536
> > currently waiting for sub ops
> > 2012-05-11 08:58:52.752064 osd.2 192.168.0.102:6801/4798 3221 : [WRN]
> > old request osd_op(client.4108.1:28765 10000008004.00000270 [write
> > 0~4194304] 0.b2f1b144 snapc 1=[]) received at 2012-05-11 08:58:22.290388
> > currently waiting for sub ops
> > 2012-05-11 08:58:52.752066 osd.2 192.168.0.102:6801/4798 3222 : [WRN]
> > old request osd_op(client.4108.1:28774 10000008004.00000279 [write
> > 0~4194304] 0.2373c652 snapc 1=[]) received at 2012-05-11 08:58:22.392604
> > currently waiting for sub ops
> > 2012-05-11 08:58:52.752068 osd.2 192.168.0.102:6801/4798 3223 : [WRN]
> > old request osd_op(client.4108.1:28775 10000008004.0000027a [write
> > 0~4194304] 0.24a58617 snapc 1=[]) received at 2012-05-11 08:58:22.455618
> > currently waiting for sub ops
> > 2012-05-11 08:58:52.752070 osd.2 192.168.0.102:6801/4798 3224 : [WRN]
> > old request osd_op(client.4108.1:28777 10000008004.0000027c [write
> > 0~4194304] 0.1c900a76 snapc 1=[]) received at 2012-05-11 08:58:22.527086
> > currently waiting for sub ops
> > 2012-05-11 08:58:53.752212 osd.2 192.168.0.102:6801/4798 3225 : [WRN]
> > old request osd_op(client.4108.1:28808 10000008004.0000029b [write
> > 0~4194304] 0.46c529aa snapc 1=[]) received at 2012-05-11 08:58:23.252258
> > currently waiting for sub ops
> > 
> > Stefan
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