Hi All, In these days, php-fpm took up all cpu resources several times a day.. Each php-fpm may take up 25% cpu resource which should be less than 5% in normal status. Below is the php-fpm.log.
[30-Mar-2013 22:18:47] NOTICE: about to trace 29600 [30-Mar-2013 22:18:47] NOTICE: finished trace of 29600 [30-Mar-2013 22:18:47] NOTICE: child 29599 stopped for tracing [30-Mar-2013 22:18:47] NOTICE: about to trace 29599 [30-Mar-2013 22:18:47] ERROR: failed to ptrace(PT_IO) pid 29599: Bad address (14) At first, I though it's caused by mysql. But when php-fpm took up all cpu resource, I found that there is no sql process in mysql. So I'm thinking this problem is caused by php-fpm. I'm using Freebsd, and I disabled 'ktrace' in kernel. And the error for php-fpm is that failed to ptrace(PT_IO). Is it possible that this problem is caused by ktrace? Anyone can help?
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