Hi Luis,

Thanks a lot for the good explanation.

I couldn't take free -m output. Instead of i have attached swapinfo output.

Attached Files:-

onconfig
df -k output
swapinfo
shared_memory configuration

Today we are running performance testing in the same box.

while 400 users got loaded, onstat -g seg output was


IBM Informix Dynamic Server Version 10.00.FC8W2 -- On-Line -- Up 01:18:06 -- 7184292 Kbytes

Segment Summary:
id key addr size ovhd class blkused blkfree
8617990 1382107137 c000000004200000 6329466880 618304 R* 1545276 4
1212423 1382107138 c00000017d640000 1024000000 32000 V 168320 81680
1212424 1382107139 c0000001ba6d0000 3248128 848 M 792 1
Total: - - 7356715008 - - 1714388 81685


After 3 hours, onstat -g seg output is

IBM Informix Dynamic Server Version 10.00.FC8W2 -- On-Line -- Up 03:38:08 -- 7584292 Kbytes

Segment Summary:
id key addr size ovhd class blkused blkfree
8617990 1382107137 c000000004200000 6329466880 618304 R* 1545276 4
1212423 1382107138 c00000017d640000 1024000000 32000 V 170480 79520
1212424 1382107139 c0000001ba6d0000 3248128 848 M 792 1
13008905 1382107140 c0000001c6e7c000 204800000 6992 V 24371 25629
4915211 1382107141 c0000001d31cc000 204800000 6992 V 7736 42264
Total: - - 7766315008 - - 1748655 147418

once again, thanks for your time.

Regards,
R V