Re: [Cluster-devel] [PATCH 0/3] dlm_controld: Improvement on plock searching efficiency

2011-05-27 Thread Jiaju Zhang
On Fri, May 27, 2011 at 10:24:58AM -0400, David Teigland wrote: > On Fri, May 27, 2011 at 07:44:03AM +0800, Jiaju Zhang wrote: > > This series introduces a RB tree for improving plock resources searching > > efficiency. We met this performance issue when running Samba on top of > > cluster filesyst

Re: [Cluster-devel] [PATCH 0/3] dlm_controld: Improvement on plock searching efficiency

2011-05-27 Thread David Teigland
On Fri, May 27, 2011 at 07:44:03AM +0800, Jiaju Zhang wrote: > This series introduces a RB tree for improving plock resources searching > efficiency. We met this performance issue when running Samba on top of > cluster filesystem, profiling during nbench runs with num-progs=500, the > dlm_controld

[Cluster-devel] [PATCH 0/3] dlm_controld: Improvement on plock searching efficiency

2011-05-26 Thread Jiaju Zhang
This series introduces a RB tree for improving plock resources searching efficiency. We met this performance issue when running Samba on top of cluster filesystem, profiling during nbench runs with num-progs=500, the dlm_controld process can often be observed consuming an entire CPU core. Oprofile