Re: performance problems
--- Obnoxio The Clown <obnoxio@hotmail.com> wrote:
> In the year of Our Lord Thu, 28 Dec 2000 12:49:00
> -0800 (PST), Jair Huerta
> <huertajair@yahoo.com> broke a vow of silence to
> utter:
>
> > We have Informix Dynamic Server Version 7.31.UC2X8
> on
> >a HP G70 server with HPUX 11.0 and i this
> >message on the log :
> >
> >10:33:54 Checkpoint Completed: duration was 8
> >seconds.
> >11:00:18 Checkpoint Completed: duration was 7
> >seconds.
> >11:26:39 Checkpoint Completed: duration was 5
> >seconds.
> >11:42:13 VP Notify mechanism incomplete after 5> >minutes. This can be due to slow network file
> access.
> >Will try 12 more times
> >11:52:12 VP Notify mechanism incomplete after 5> >minutes. This can be due to slow network file
> access.
> >Will try 11 more times
> >
> > When i have this message the server starts to
> hang ,
> >and do not responds to external request ,even the
> >local request experince slow performance. What i do
> is
> >bring down the server and then start up again. BUt
> >wehave experince this problem for a while , so i
> want
> >to know if there is something i can do , because
> the
> >problem seems like heavy network traffic but i
> check
> >that with my network admin , and that's not seems
> to
> >be real problem ,so i even try to remove the vp soc
> >with onmode -p ,but this doesn't work. So what
> this
> >messages means , and second how can i fix this
> problem
>
> Have you got KAIO enabled? It looks more like you
> have a disk IO problem. What
> is the output from the "onstat -g iov" command?
hi thanks Obnoxio but we don't have the KAIO
feature enabled , i personally installed the informix
software and didn't enable KAIO but here is the
output of the command you ask for:
Informix Dynamic Server Version 7.31.UC2X8 -- On-Line
-- Up 04:31:57 -- 57696 Kbytes
AIO I/O vps:
class/vp s io/s totalops dskread dskwrite dskcopy
wakeups io/wup errors
msc 0 i 12.8 209626 0 0 0
198296 1.1 0
aio 0 i 1.7 28279 7967 4325 0
25683 1.1 0
aio 1 i 1.2 18779 14851 3486 0
17146 1.1 0
aio 2 i 0.3 4757 848 3258 0
2936 1.6 0
aio 3 i 0.2 3956 383 3506 0
1587 2.5 0
pio 0 i 0.0 63 0 63 0
64 1.0 0
lio 0 i 0.0 11 0 11 0
12 0.9 0
like i told before the server is just up a few hours
ago , by the way this command what it tells .
thanks again
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