Hi
I am using ext4 and I found by adding
<Plugin rrdtool>
DataDir "/var/lib/collectd/rrd"
CacheTimeout 120
#CacheFlush 900
CacheFlush 7200
WritesPerSecond 1
it fixed my problem, so you might be right about the too many writes
to allow sync to happen.
What I would see is on usb insert - it would try a sync and things
would get stuck.
All seems to be okay now...
Thanks
alex
On Fri, Jun 4, 2010 at 12:04 AM, Sebastian Harl <[email protected]> wrote:
> tags 579992 + moreinfo unreproducible
> thanks
>
> Hi Alex,
>
> On Mon, May 03, 2010 at 06:49:56AM +1000, Alex Samad wrote:
>> when I have collectd running, my sync's don't finish. if I start sync and
>> have collectd
>> running, then it will hang until I stop collectd
>
> Just to make sure we're talking about the same thing: You mean sync as
> in sync(1) (flush file system buffers), right?
>
> I could not reproduce that behavior on my Debian Sid/powerpc box using
> collectd 4.9.1-2 on an ext3 filesystem. Which filesystem do you use?
>
>> I have turned off all the modules that touch disk, but still have the problem
>
> Could you please post your collectd.conf? Do you receive updates from
> other collectd instances using the network plugin?
>
> The only scenario I can think of that could possibly cause such behavior
> would be if you write a lot of data to disk, so that the disk is busy
> all of the time and cannot keep up with the updates coming in. What kind
> of output plugin do you use (rrdtool, csv?)? How many files do you
> write?
>
> Cheers,
> Sebastian
>
> --
> Sebastian "tokkee" Harl +++ GnuPG-ID: 0x8501C7FC +++ http://tokkee.org/
>
> Those who would give up Essential Liberty to purchase a little Temporary
> Safety, deserve neither Liberty nor Safety. -- Benjamin Franklin
>
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