root@couch01:~/eventing# top -b -n 1 | head top - 23:21:17 up 16 days, 18 min, 2 users, load average: 3.85, 4.67, 5.04 Tasks: 147 total, 1 running, 146 sleeping, 0 stopped, 0 zombie %Cpu(s): 8.4 us, 1.8 sy, 0.0 ni, 88.4 id, 1.3 wa, 0.0 hi, 0.1 si, 0.0 st KiB Mem: 24722744 total, 20538536 used, 4184208 free, 644596 buffers KiB Swap: 477180 total, 0 used, 477180 free. 14918152 cached Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 4802 linuxbr+ 20 0 4185528 628848 23704 S 202.0 2.5 93:39.03 memcached 4536 linuxbr+ 20 0 7163416 1.719g 7328 S 71.7 7.3 69:08.21 beam.smp 4678 linuxbr+ 20 0 1482440 306456 21740 S 45.6 1.2 24:26.50 indexer root@couch01:~/eventing# strace -p 4802 Process 4802 attached epoll_wait(5, {}, 32, 801) = 0 epoll_wait(5, {}, 32, 1000) = 0 epoll_wait(5, {}, 32, 1000) = 0 epoll_wait(5, {}, 32, 1000) = 0 epoll_wait(5, {}, 32, 1) = 0 epoll_wait(5, {}, 32, 1000) = 0 epoll_wait(5, {}, 32, 1) = 0 epoll_wait(5, {}, 32, 1) = 0 epoll_wait(5, {}, 32, 1000) = 0 epoll_wait(5, {}, 32, 1) = 0 epoll_wait(5, {}, 32, 1) = 0 epoll_wait(5, ^CProcess 4802 detached root@couch01:~/eventing# strace -p 4536 Process 4536 attached select(0, NULL, NULL, NULL, NULL^CProcess 4536 detached root@couch01:~/eventing# strace -p 4678 Process 4678 attached futex(0x1ba1510, FUTEX_WAIT, 0, NULL^CProcess 4678 detached root@couch01:~/eventing# strace -p 4802 -c Process 4802 attached ^CProcess 4802 detached % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 100.00 0.580000 23200 25 epoll_wait ------ ----------- ----------- --------- --------- ---------------- 100.00 0.580000 25 total root@couch01:~/eventing# strace -p 4536 -c Process 4536 attached ^CProcess 4536 detached root@couch01:~/eventing# strace -p 4678 -c Process 4678 attached ^CProcess 4678 detached root@couch01:~/eventing#