storage011のmogstoredにkeepaliveでつなぎっぱなのmogfs002上のquery_workerプロセスをstrace

trace.txt

[lamanotrama@mogfs002 ~]$ sudo strace -p 20440
Process 20440 attached - interrupt to quit
select(376, [371], NULL, NULL, {3, 846757}) = 1 (in [371], left {1, 705281})
read(371, ":monitor_events ev_type=device&u"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999997})
read(371, "_type=device&utilization=0.10&ev"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999998})
read(371, "tion=7.40&ev_id=137&ev_mode=sets"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999998})
read(371, "ble&ev_mode=setstate ev_type=dev"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999998})
read(371, "tstate ev_type=device&utilizatio"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999998})
read(371, "ice&utilization=11.30&ev_id=193&"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999998})
read(371, "ion=0.09&ev_id=107&ev_mode=setst"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999998})
read(371, "e=setstate ev_type=device&utiliz"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999998})
read(371, "tilization=0.00&ev_id=122&ev_mod"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999998})
read(371, "v_mode=setstate ev_type=device&u"..., 1024) = 501
write(371, ":still_alive\r\n", 14)      = 14
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 433665})
read(371, ":monitor_has_run\r\n", 1024) = 18
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 763260})
read(371, ":monitor_events ev_type=srvset&e"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999997})
read(371, "et ev_type=device&ev_id=185&mb_t"..., 1024) = 572
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 555606})
read(371, "20440-826 192.168.3.10 get_paths"..., 1024) = 91
poll([{fd=5, events=POLLIN|POLLPRI}], 1, 0) = 0 (Timeout)
write(5, "\1\0\0\0\16", 5)              = 5
read(5, "\7\0\0\1\0\0\0\2\0\0\0", 16384) = 11
poll([{fd=5, events=POLLIN|POLLPRI}], 1, 0) = 0 (Timeout)
write(5, "r\0\0\0\3SELECT fid, dmid, dkey, len"..., 118) = 118
read(5, "\1\0\0\1\6,\0\0\2\3def\10mogilefs\4file\4file"..., 16384) = 394
poll([{fd=5, events=POLLIN|POLLPRI}], 1, 0) = 0 (Timeout)
write(5, "1\0\0\0\3SELECT devid FROM file_on W"..., 53) = 53
read(5, "\1\0\0\1\0016\0\0\2\3def\10mogilefs\7file_on\7f"..., 16384) = 96
select(384, [376], NULL, NULL, {0, 0})  = 0 (Timeout)
write(376, "HEAD /dev198/1/618/061/161806180"..., 145) = 145
select(384, [376], NULL, NULL, {2, 0})  = 1 (in [376], left {1, 999695})
read(376, "HTTP/1.1 200 OK\r\nServer: nginx/0"..., 1024) = 233
write(371, "20440-826 0.0040 OK path2=http:/"..., 154) = 154
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {1, 856363})
read(371, ":monitor_events ev_type=device&u"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999997})
read(371, "e&utilization=2.60&ev_id=151&ev_"..., 1024) = 1024
select(376, [371], NULL, NULL, {5, 0})  = 1 (in [371], left {4, 999998})
read(371, "ev_mode=setstate ev_type=device&"..., 1024) = 1024