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並前往https://serverfault.com/questions/1085321/cpu-maxing-out-with-php-fpm-memcpy-sse4-back-async-page-fault

CPU Maxing out with PHP-FPM - __memcpy_sse4_back

A perf test ( perf record -F 99 -ag -- sleep 10 ) is showing __memcp_sse3_back -> async_page_fault as the top CPU usage during the CPU spike ...

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