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Go Back  dBforums > Database Server Software > Informix > Class "M" in onstat -g seg ?

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Old 12-15-04, 02:05
nitin_math nitin_math is offline
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Class "M" in onstat -g seg ?

Hi,

Here is the output for onstat -g seg. What I want to know is why are there 3 entries for "M" type.

Informix Dynamic Server Version 7.31.FD5 -- On-Line -- Up 2 days 13:04:27 -- 830256 Kbytes

Segment Summary:
id key addr size ovhd class blkused blkfree
8227 1381517315 c000000000385000 6545408 744 M 794 5
39974 1381517316 c0000000009c3000 6545408 744 M 791 8
35879 1381517317 c000000001001000 6545408 744 M 791 8
1071146 1381517318 c00000000163f000 16777216 896 V 2044 4
58414 1381517319 c00000000263f000 16777216 896 V 1146 902
940065 1381517313 c000000093af6000 612671488 43008 R 74781 8
4130 1381517314 c0000000b8340000 184320000 3456 V 9062 13438
Total: - - 850182144 - - 89409 14373

(* segment locked in memory)


The Shared memory parameters on onconfig file are:

SHMBASE 0x0 # Shared memory base address
#SHMVIRTSIZE 120000 # initial virtual shared memory segment size
# Modified the SHMVIRTSIZE on 7.12.04 (Nitin Mathur)
SHMVIRTSIZE 180000 # initial virtual shared memory segment size
SHMADD 16384 # Size of new shared memory segments (Kbytes)
SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited
LRUS 120 # Number of LRU queues
LRU_MAX_DIRTY 2 # LRU percent dirty begin cleaning limit
LRU_MIN_DIRTY 1 # LRU percent dirty end cleaning limit
BUFFERS 180000 # Maximum number of shared buffers
CLEANERS 24 # Number of buffer cleaner processes


Thanks in advance.

Nitin
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Old 12-15-04, 12:36
gurey gurey is offline
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Hi,

Please check define for ipc connection in $INFORMIXSQLHOSTS.

Gustavo.
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Old 12-16-04, 02:30
nitin_math nitin_math is offline
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Hi Gustavo,

Thanks for the answer. But since there are 3 entries for class "M" is it coz of the following parameter in onconfig:

NETTYPE ipcshm,3,600,NET # Configure poll thread(s) for nettype
NETTYPE soctcp,3,600,CPU # Configure poll thread(s) for nettype


Bye
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Old 12-16-04, 07:51
gurey gurey is offline
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Hi,

Exactly, the 3 in NETTYPE correspond to connection for ipc.

Gustavo.
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Old 12-16-04, 09:45
nitin_math nitin_math is offline
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Smile

Thanks a lot Gustavo!

Nitin
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