[Gluster-devel] glusterfs and flamegraph
Vijay Bellur
vbellur at redhat.com
Sun Jan 26 17:35:55 UTC 2014
On 01/26/2014 08:54 AM, yinyin wrote:
> Hi,all:
> I have used FlameGraph to test glusterfs-3.4.2, trace with simple dd.
> found that, a lot of cpu consume on frame_fill_groups, My questions:
> 1. what’s the func of frame_fill_groups?
frame_fill_groups() reads /proc/<pid>/status to identify the auxiliary
groups associated with pid.
> 2. should it disable by default?
It can be disabled by default if none of your applications running on
the gluster mount are dependent on auxiliary groups for performing I/O
on the dataset within a gluster volume.
-Vijay
More information about the Gluster-devel
mailing list