Re: [DRBD-user] Still experiencing resource spikes

2012-12-19 Thread Lars Ellenberg
On Wed, Dec 19, 2012 at 02:08:32PM +1100, Adam Goryachev wrote: > On 19/12/12 01:19, Prater, James K. wrote: > > Hello Andreas, > > > > Thanks for responding, below is a section of my current sysctl.conf file. > > As you can > > see that I used the alternative parameters that you had sent me. T

Re: [DRBD-user] Still experiencing resource spikes

2012-12-18 Thread Adam Goryachev
On 19/12/12 01:19, Prater, James K. wrote: > Hello Andreas, > > Thanks for responding, below is a section of my current sysctl.conf file. > As you can > see that I used the alternative parameters that you had sent me. The > resource spikes > vary from 18-24 hours apart. The odd thing is that

Re: [DRBD-user] Still experiencing resource spikes

2012-12-18 Thread Prater, James K.
On Behalf Of Lionel Sausin Sent: Tuesday, December 18, 2012 5:55 AM Cc: drbd-user@lists.linbit.com Subject: Re: [DRBD-user] Still experiencing resource spikes Le 18/12/2012 10:30, Andreas Kurz a écrit : > That's quite a lot ... you also tuned vm.dirty_background_bytes and > vm.dirty_byte

Re: [DRBD-user] Still experiencing resource spikes

2012-12-18 Thread Prater, James K.
Andreas Kurz Sent: Tuesday, December 18, 2012 4:30 AM To: drbd-user@lists.linbit.com Subject: Re: [DRBD-user] Still experiencing resource spikes On 12/17/2012 08:27 PM, Prater, James K. wrote: > > > > > > > I have a real sticky problem and would appreciate

Re: [DRBD-user] Still experiencing resource spikes

2012-12-18 Thread Lionel Sausin
Le 18/12/2012 10:30, Andreas Kurz a écrit : That's quite a lot ... you also tuned vm.dirty_background_bytes and vm.dirty_bytes to a reasonable low value? to avoid regular heavy data write-out Regards, Andreas I'd look into this too, although with the given config and the default 10% t

Re: [DRBD-user] Still experiencing resource spikes

2012-12-18 Thread Andreas Kurz
On 12/17/2012 08:27 PM, Prater, James K. wrote: > > > > > > > I have a real sticky problem and would appreciate if anyone has insight. > > > > > > We currently have the following physical configuration > > > > 2) Dell PowerEdge R710 (dual 6-core with hyperthreading enabled) > >

[DRBD-user] Still experiencing resource spikes

2012-12-17 Thread Prater, James K.
I have a real sticky problem and would appreciate if anyone has insight. We currently have the following physical configuration 2) Dell PowerEdge R710 (dual 6-core with hyperthreading enabled) 120Gbytes of memory each 4x 10GE Nics (2-bonded for NFS and 2-bonded for Replication)