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Home > Forums > Project and Data Management > Data Management Programming Tools > Informix solutions Forum

Open Unix Files

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craig322 (MIS)

1 Mar 07 8:01

We had a problem yesterday where we exceeded the number of files allowed to be open by the kernel parameter NFILES. We got around this by increasing this setting.

Doing some additional investigations, I noticed that we had some oninit processes with upward of 300 open files. Can someone explain to me what this may consist of? I am being questioned by our unix admin group. I am making the assumption that some of this is data chunks. We have 267 chunks so I guess it is feasible that some of these processes have multiple chunks. Are there other files that are routinely held open by oninit processes (sqlhosts, etc)?

Thanks in advance

mberni (IS/IT--Management)

1 Mar 07 11:39

the only thing i know of in this context is temporary files, i.e. when they are written to disk instead of temporary table space, if you do not use "with no log" for example.

as far as i know informix recommends NFILES to be set to at least 400

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