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Matts (1087)

Matts
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I work for MessageLabs [messagelabs.com] in Toronto, ON, Canada. I write spam filters, MTA software, high performance network software, string matching algorithms, and other cool stuff mostly in Perl and C.

Journal of Matts (1087)

Thursday September 20, 2007
10:42 AM

Cwd failing?

[ #34492 ]

Has anyone seen cwd() failing on an extremely high load server? I don't really understand why it fails (only happens under extreme load), and wondered if anyone had any insight.

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  • There's a race condition of some sort.

    Googling for "getcwd" + "heavy load" turned up some other possible clues, and NFS is mentioned on occasion.

    • Thanks. For now I've just moved getcwd() out of the loop so I only have to do it once. I'm still curious why it fails though - google hasn't been very helpful in this.