[Gluster-users] double traffic usage since upgrade?

Liam Slusser lslusser at gmail.com
Tue Sep 8 21:03:25 UTC 2009

Any other thoughts on why i'm seeing double the inbound traffic?
We're have a large increase in site traffic the last few weeks and my
out bound traffic has increase to almost 400mbit/sec which has
translated to 800mbit of backend gluster traffic.  I'm basically at
the limit of gigabit ethernet unless i do bounding.

Ideas on how to fix this?


On Mon, Aug 17, 2009 at 3:28 PM, Liam Slusser <lslusser at gmail.com> wrote:
> On Mon, Aug 17, 2009 at 7:42 AM, Mark Mielke<mark at mark.mielke.cc> wrote:
>> On 08/17/2009 08:06 AM, Shehjar Tikoo wrote:
>>> For a start, we've aimed at getting apache and unfs3 to work with booster.
>>> The functional support for both in booster is complete in
>>> 2.0.6 release.
>>> For a list of system calls supported by booster, please see:
>>> http://www.gluster.org/docs/index.php/BoosterConfiguration
>>> There can be applications which need un-boosted syscalls also to be
>>> usable over GlusterFS. For such a scenario we have two ways booster
>>> can be used. Both approaches are described at the page linked above
>>> but in short, you're right in thinking that when the un-supported
>>> syscalls are also needed to go over FUSE, we are, as you said, leaking
>>> or redirecting calls over the FUSE mount point.
>> Hi Shehjar:
>> That's fine, I think, as long as it is recognized that trapping system call
>> open() as booster is implemented today probably does not trap fopen() on
>> Linux. If apache and unfs3 always call open() directly, and you are trapping
>> this, then your purpose is being served.
>> I was kind of hoping you had found a way around --disable-hidden-plt, so I
>> could steal the idea from you. Too bad. :-)
>> Cheers,
>> mark
>> --
>> Mark Mielke<mark at mielke.cc>
> Just a FYI - I am not using booster at all on our feed boxes, this is
> just straight fuse and the glusterfs process [with the box we're
> seeing the traffic doubling on].
> liam

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