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05-26-2007 09:53 PM
05-26-2007 09:53 PM
Informix 1. unload 2. share memory
Hi all,
For informix v7.x
1. If I unload a table, how can I estimate the unloaded dump file size?
2. I get the following errors in a informix database, but no such error in another informix database within the same server:
"Shmget: [ENOMEM][12]: key 525a4804: out of shared memory, check system max shared memory segment size.
Out of virtual memory
Could not create single shared memory segment with resident and non-resident partitions. Proceeding to create 2 shared memory segments instead"
Moreover, the cron job of informix showed the errors:
"sh: The fork function failed. Too many processes already exist."
Thahk you!
For informix v7.x
1. If I unload a table, how can I estimate the unloaded dump file size?
2. I get the following errors in a informix database, but no such error in another informix database within the same server:
"Shmget: [ENOMEM][12]: key 525a4804: out of shared memory, check system max shared memory segment size.
Out of virtual memory
Could not create single shared memory segment with resident and non-resident partitions. Proceeding to create 2 shared memory segments instead"
Moreover, the cron job of informix showed the errors:
"sh: The fork function failed. Too many processes already exist."
Thahk you!
1 REPLY 1
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05-26-2007 10:12 PM
05-26-2007 10:12 PM
Re: Informix 1. unload 2. share memory
For the error "sh: The fork function failed. Too many processes already exist." it sounds like you are hitting either the maxuprc limit (max number of processes per user) or the nproc limit (max number of system wide processes). I would guess that maxuprc would be your culprit in this case.
Check those values in your kernel and see if they need to be increased.
Check those values in your kernel and see if they need to be increased.
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