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Web Performance Tuning by Patrick Killelea

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Platform-Specific Issues

Unix

The various Unix platforms all have limits on the number of files that can be open in a single process at one time. For busy sites, you’ll need to increase that number to 1024:

Solaris

In /etc/system, set rlim_fd_max and reboot.

SGI

Run systune -i and set rlimit_nofile_max and rlimit_nofile_cur, then reboot.

AIX

Run smit and check the kernel tuning parameters.

HP-UX

Run sam and check the kernel tuning parameters.

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