onstat -g spi
Posted in 1999
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Hi all,
My server (7.30.UC2 on Unixware 7.0.0) is behaving very
badly. It takes hours to do anything. Here some snippets
from an "onstat -g spi":
Informix Dynamic Server Version 7.30.UC2 -- On-Line -- Up 1 days 10:17:27
-- 1876144 Kbytes
Spin locks with waits:
Num Waits Num Loops Avg Loop/Wait Name
3 79520 26506.67 mtcb vproc_sync_lock
51934 510073 9.82 mtcb sleeping_lock
1 5 5.00 mtcb tcb_queue_lock
41 139 3.39 mtcb mutex_list_lock
3 3 1.00 mtcb cond_list_lock
868 117025 134.82 mtcb notify_lock
25662 211884 8.26 class cl_lock, class = 0
1512 15726 10.40 mutex lock, name = rstcb
1 5 5.00 mutex lock, name = session
24866 34370 1.38 mutex lock, name = timestmp
17 17 1.00 mutex lock, name = alttbl
and further...
50 198 3.96 mutex lock, name = pt_300274
6 17 2.83 mutex lock, name = pt_3000a0
73 3895 53.36 tcb lock, tid = 4
1 500 500.00 tcb lock, tid = 5
29 2738 94.41 tcb lock, tid = 6
15 699 46.60 tcb lock, tid = 7
4 612 153.00 tcb lock, tid = 8
1 34 34.00 tcb lock, tid = 9
3 616 205.33 tcb lock, tid = 10
1 40 40.00 tcb lock, tid = 12
1 75 75.00 tcb lock, tid = 15
1 42 42.00 tcb lock, tid = 19
1 92 92.00 tcb lock, tid = 20
7 1344888936 192126990.86 tcb lock, tid = 32
19 351533389 18501757.32 tcb lock, tid = 34
269 17933245 66666.34 tcb lock, tid = 36
32 118869667 3714677.09 tcb lock, tid = 37
1 8175 8175.00 tcb lock, tid = 46
334 991812216 2969497.65 tcb lock, tid = 743850
3 394018 131339.33 tcb lock, tid = 744234
1 4500 4500.00 tcb lock, tid = 744326
431 4269 9.90 shmcb sh_lock
1397 25853 18.51 pool po_lock, name = global
479 15432 32.22 pool po_lock, name = mt
71 1340 18.87 pool po_lock, name = procpool
1 96 96.00 lockfr2
2 16 8.00 fast mutex, lockhash[1952]
1 7 7.00 fast mutex, lockhash[2656]
1 1 1.00 fast mutex, lockhash[23784]
1 3 3.00 fast mutex, lockhash[23785]
I understand that values in column 3 should not exceed 10000.
Please help.
TIA
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<TITLE>onstat -g spi</TITLE>
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<P><FONT SIZE=3D2>Hi all,</FONT>
</P>
<P><FONT SIZE=3D2>My server (7.30.UC2 on Unixware 7.0.0) is behaving =
very</FONT>
<BR><FONT SIZE=3D2>badly. It takes hours to do anything. Here some =
snippets</FONT>
<BR><FONT SIZE=3D2>from an "onstat -g spi":</FONT>
</P>
<P><FONT SIZE=3D2>Informix Dynamic Server Version 7.30.UC2 =
-- On-Line -- Up 1 days 10:17:27 -- 1876144 Kbytes</FONT>
</P>
<P><FONT SIZE=3D2>Spin locks with waits:</FONT>
</P>
<P><FONT SIZE=3D2>Num Waits Num Loops Avg =
Loop/Wait Name</FONT>
<BR><FONT =
SIZE=3D2>3 =
79520 =
26506.67 mtcb =
vproc_sync_lock</FONT>
<BR><FONT SIZE=3D2>51934 =
510073 =
9.82 &n=
bsp; mtcb sleeping_lock</FONT>
<BR><FONT =
SIZE=3D2>1 =
5 =
5.00 &n=
bsp; mtcb tcb_queue_lock</FONT>
<BR><FONT =
SIZE=3D2>41 =
139 =
3.39 &n=
bsp; mtcb mutex_list_lock</FONT>
<BR><FONT =
SIZE=3D2>3 =
3 =
1.00 &n=
bsp; mtcb cond_list_lock</FONT>
<BR><FONT SIZE=3D2>868 =
117025 =
134.82 mtcb =
notify_lock</FONT>
<BR><FONT SIZE=3D2>25662 =
211884 =
8.26 &n=
bsp; class cl_lock, class =3D 0</FONT>
<BR><FONT SIZE=3D2>1512 =
15726 =
10.40 =
mutex lock, name =3D rstcb</FONT>
<BR><FONT =
SIZE=3D2>1 =
5 =
5.00 &n=
bsp; mutex lock, name =3D session</FONT>
<BR><FONT SIZE=3D2>24866 =
34370 =
1.38 &n=
bsp; mutex lock, name =3D timestmp</FONT>
<BR><FONT =
SIZE=3D2>17 =
17 =
1.00 &n=
bsp; mutex lock, name =3D alttbl</FONT>
</P>
<P><FONT SIZE=3D2>and further..