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Hi All, we notice that some time (not consistent) some of the Apache process hang. They start taking memory and do nothing.
Here is the strace of one such process “strace –p 5762”
futex(0x9dfe690, FUTEX_WAKE, 1) = 0 gettimeofday({1161960021, 481837}, NULL) = 0 clock_gettime(CLOCK_REALTIME, 0xbfff94e0) = -1 ENOSYS (Function not implemented) gettimeofday({1161960021, 481924}, NULL) = 0 futex(0xa2adea6c, FUTEX_WAIT, 84065, {0, 249913000}) = -1 ETIMEDOUT (Connection timed out) futex(0x9dfe690, FUTEX_WAKE, 1) = 0 gettimeofday({1161960021, 741879}, NULL) = 0 clock_gettime(CLOCK_REALTIME, 0xbfff94e0) = -1 ENOSYS (Function not implemented) gettimeofday({1161960021, 741962}, NULL) = 0 futex(0xa2adea6c, FUTEX_WAIT, 84067, {0, 249917000}) = -1 ETIMEDOUT (Connection timed out) futex(0x9dfe690, FUTEX_WAKE, 1) = 0 gettimeofday({1161960022, 1931}, NULL) = 0 clock_gettime(CLOCK_REALTIME, 0xbfff94e0) = -1 ENOSYS (Function not implemented) gettimeofday({1161960022, 2037}, NULL) = 0 futex(0xa2adea6c, FUTEX_WAIT, 84069, {0, 249894000}) = -1 ETIMEDOUT (Connection timed out) futex(0x9dfe690, FUTEX_WAKE, 1) = 0 gettimeofday({1161960022, 261859}, NULL) = 0 clock_gettime(CLOCK_REALTIME, 0xbfff94e0) = -1 ENOSYS (Function not implemented) gettimeofday({1161960022, 261938}, NULL) = 0 futex(0xa2adea6c, FUTEX_WAIT, 84071, {0, 249921000}) = -1 ETIMEDOUT (Connection timed out) futex(0x9dfe690, FUTEX_WAKE, 1) = 0 gettimeofday({1161960022, 521857}, NULL) = 0 clock_gettime(CLOCK_REALTIME, 0xbfff94e0) = -1 ENOSYS (Function not implemented) gettimeofday({1161960022, 521940}, NULL) = 0 futex(0xa2adea6c, FUTEX_WAIT, 84073, {0, 2499170 .. .. . .
It is repeating the same thing.
Any clue on where to look?
Thanks and Regards, Sai Jai Ganesh
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