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Improving mod_perl Sites' Performance: Part 4 (O'Reilly)

Stas Bekman gives some tips on the use of shared memory to improve the performance of mod_perl. "If your OS supports sharing of memory (and most sane systems do), you might save a lot of RAM by sharing it between child processes. This will allow you to run more processes and hopefully better satisfy the client, without investing extra money into buying more memory."
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