RE: Shared memory segments never freed
Segments are only freed when you ask then to be. If the memory is required
once then it will probably be required again so there is no point in the
server releasing segments that it expects to need later.
MW
> -----Original Message-----
> From: owner-informix-list@iiug.org
> [mailto:owner-informix-list@iiug.org]On Behalf Of Willaert Doris
> Sent: Monday, 26 May 2003 10:15 p.m.
> To: informix-list@iiug.org
> Subject: Shared memory segments never freed
>
>
> Hi all,
>
> On one of our systems we have the following problem: RS6000
> AIX 4.3.2.0 IDS
> version 7.30.UC6
>
> One of the application programs adds 3 shared memory segments
> in. When the
> program is terminated, this shared memory segments are never
> automaticaly
> freed (see output of onstat -g seg)
>
> Informix Dynamic Server Version 7.30.UC6 -- On-Line -- Up 6
> days 18:33:05
> -- 246112 Kbytes
>
> Segment Summary:
> id key addr size ovhd class
> blkused blkfree
> 1 1394821121 30000000 48087040 1592 R
> 5862 8
> 2 1394821122 40000000 153600000 2940 V
> 18651 99
> 3 1394821123 50000000 606208 608 M 67
> 7
> 131077 1394821124 60000000 8388608 724 V 868
> 156
> 131076 1394821125 70000000 8388608 724 V 206
> 818
> 6 1394821126 80000000 8388608 724 V
> 8 1016
>
> 1310727 1394821127 90000000 8388608 724 V 1
> 1023
> 131080 1394821128 a0000000 8388608 724 V 1
> 1023
> 1048585 1394821129 b0000000 8388608 724 V 1
> 1023
> Total: - - 252624896 - - 25665
> 5173
>
>
>
> If we execute an onmode -F the 3 shared memory segments are
> freed. Why are
> they not automaticaly freed ?
>
> Thanks for any input,
>
> Doris