Re: 9.2beta1, parallel queries, ReleasePredicateLocks, CheckForSerializableConflictIn in the oprofile
От | Sergey Koposov |
---|---|
Тема | Re: 9.2beta1, parallel queries, ReleasePredicateLocks, CheckForSerializableConflictIn in the oprofile |
Дата | |
Msg-id | alpine.LRH.2.02.1205251849540.23267@calx046.ast.cam.ac.uk обсуждение исходный текст |
Ответ на | Re: 9.2beta1, parallel queries, ReleasePredicateLocks, CheckForSerializableConflictIn in the oprofile (Robert Haas <robertmhaas@gmail.com>) |
Список | pgsql-hackers |
On Fri, 25 May 2012, Robert Haas wrote: > On Thu, May 24, 2012 at 7:26 PM, Sergey Koposov <koposov@ast.cam.ac.uk> wrote: >> Here is the output from a multi-threaded run (8thtreads, 22 seconds) sorted >> by blk. Not sure whether that's of much use or not: > > What are the top dozen or so entries if you sort by shacq? Here it is: PID 7108 lwlock 44: shacq 1127902 exacq 1548 blk 511 PID 7115 lwlock 44: shacq 1127495 exacq 633 blk 401 PID 7114 lwlock 44: shacq 1127418 exacq 1024 blk 702 PID 7111 lwlock 44: shacq 1127324 exacq 957 blk 651 PID 7109 lwlock 44: shacq 1127261 exacq 388 blk 466 PID 7110 lwlock 44: shacq 1127256 exacq 1132 blk 774 PID 7113 lwlock 44: shacq 1127179 exacq 920 blk 665 PID 7112 lwlock 44: shacq 1127148 exacq 1323 blk 838 PID 7108 lwlock 48: shacq 1125039 exacq 1592 blk 546 PID 7115 lwlock 48: shacq 1124666 exacq 559 blk 397 PID 7111 lwlock 48: shacq 1124523 exacq 1009 blk 955 PID 7114 lwlock 48: shacq 1124502 exacq 1041 blk 976 PID 7110 lwlock 48: shacq 1124460 exacq 1128 blk 1110 PID 7109 lwlock 48: shacq 1124402 exacq 384 blk 602 PID 7112 lwlock 48: shacq 1124394 exacq 1350 blk 1373 PID 7113 lwlock 48: shacq 1124383 exacq 868 blk 871 PID 7115 lwlock 1020: shacq 1000000 exacq 0 blk 0 PID 7115 lwlock 1018: shacq 1000000 exacq 0 blk 0 PID 7114 lwlock 1020: shacq 1000000 exacq 0 blk 0 PID 7114 lwlock 1018: shacq 1000000 exacq 0 blk 0 PID 7113 lwlock 1020: shacq 1000000 exacq 0 blk 0 PID 7113 lwlock 1018: shacq 1000000 exacq 0 blk 0 PID 7112 lwlock 1020: shacq 1000000 exacq 0 blk 0 PID 7112 lwlock 1018: shacq 1000000 exacq 0 blk 0 PID 7111 lwlock 1020: shacq 1000000 exacq 0 blk 0 PID 7111 lwlock 1018: shacq 1000000 exacq 0 blk 0 PID 7110 lwlock 1020: shacq 1000000 exacq 0 blk 0 PID 7110 lwlock 1018: shacq 1000000 exacq 0 blk 0 PID 7109 lwlock 1020: shacq 1000000 exacq 0 blk 0 PID 7109 lwlock 1018: shacq 1000000 exacq 0 blk 0 PID 7108 lwlock 1020: shacq 1000000 exacq 0 blk 0 PID 7108 lwlock 1018: shacq 1000000 exacq 0 blk 0 PID 7108 lwlock 43: shacq 439454 exacq 1614 blk 151 PID 7115 lwlock 43: shacq 438993 exacq 558 blk 126 PID 7111 lwlock 43: shacq 438817 exacq 899 blk 200 PID 7114 lwlock 43: shacq 438795 exacq 898 blk 230 PID 7109 lwlock 43: shacq 438787 exacq 314 blk 153 PID 7110 lwlock 43: shacq 438768 exacq 1026 blk 231 PID 7113 lwlock 43: shacq 438720 exacq 833 blk 178 PID 7112 lwlock 43: shacq 438691 exacq 1123 blk 215 PID 7108 lwlock 34: shacq 343982 exacq 1595 blk 177 PID 7115 lwlock 34: shacq 343582 exacq 600 blk 139 PID 7109 lwlock 34: shacq 343410 exacq 348 blk 167 PID 7111 lwlock 34: shacq 343398 exacq 926 blk 255 PID 7114 lwlock 34: shacq 343362 exacq 939 blk 214 PID 7110 lwlock 34: shacq 343338 exacq 1074 blk 226 PID 7113 lwlock 34: shacq 343283 exacq 832 blk 226 PID 7112 lwlock 34: shacq 343247 exacq 1255 blk 271 PID 7108 lwlock 38: shacq 333989 exacq 1704 blk 137 PID 7115 lwlock 38: shacq 333512 exacq 581 blk 106 PID 7109 lwlock 38: shacq 333340 exacq 322 blk 115 PID 7111 lwlock 38: shacq 333306 exacq 882 blk 152 PID 7114 lwlock 38: shacq 333266 exacq 977 blk 183 PID 7110 lwlock 38: shacq 333249 exacq 1013 blk 165 PID 7113 lwlock 38: shacq 333226 exacq 828 blk 163 PID 7112 lwlock 38: shacq 333175 exacq 1246 blk 183 PID 7108 lwlock 42: shacq 233215 exacq 1539 blk 237 PID 7115 lwlock 42: shacq 232846 exacq 517 blk 138 PID 7111 lwlock 42: shacq 232645 exacq 885 blk 215 PID 7109 lwlock 42: shacq 232611 exacq 363 blk 140 PID 7113 lwlock 42: shacq 232600 exacq 860 blk 192 PID 7110 lwlock 42: shacq 232599 exacq 1049 blk 262 PID 7114 lwlock 42: shacq 232591 exacq 935 blk 318 PID 7112 lwlock 42: shacq 232505 exacq 1262 blk 240 PID 7108 lwlock 47: shacq 228682 exacq 1495 blk 177 PID 7115 lwlock 47: shacq 228397 exacq 516 blk 109 PID 7110 lwlock 47: shacq 228218 exacq 1082 blk 378 PID 7109 lwlock 47: shacq 228097 exacq 386 blk 158 PID 7111 lwlock 47: shacq 228093 exacq 907 blk 321 PID 7113 lwlock 47: shacq 228085 exacq 909 blk 306 PID 7112 lwlock 47: shacq 227993 exacq 1248 blk 387 PID 7114 lwlock 47: shacq 227986 exacq 929 blk 449 PID 7108 lwlock 36: shacq 205287 exacq 1592 blk 78 PID 7115 lwlock 36: shacq 204845 exacq 535 blk 86 PID 7111 lwlock 36: shacq 204675 exacq 830 blk 108 PID 7114 lwlock 36: shacq 204634 exacq 930 blk 109 PID 7109 lwlock 36: shacq 204581 exacq 363 blk 83 PID 7113 lwlock 36: shacq 204566 exacq 833 blk 112 PID 7110 lwlock 36: shacq 204546 exacq 1014 blk 106 PID 7112 lwlock 36: shacq 204508 exacq 1180 blk 140 PID 7108 lwlock 35: shacq 136067 exacq 1537 blk 56 PID 7115 lwlock 35: shacq 135532 exacq 494 blk 47 PID 7111 lwlock 35: shacq 135404 exacq 820 blk 76 PID 7109 lwlock 35: shacq 135362 exacq 326 blk 56 PID 7114 lwlock 35: shacq 135342 exacq 879 blk 102 PID 7110 lwlock 35: shacq 135333 exacq 1016 blk 88 PID 7113 lwlock 35: shacq 135318 exacq 829 blk 75 PID 7112 lwlock 35: shacq 135257 exacq 1229 blk 98 PID 7108 lwlock 41: shacq 134338 exacq 1540 blk 55 PID 7115 lwlock 41: shacq 133929 exacq 542 blk 50 PID 7109 lwlock 41: shacq 133781 exacq 360 blk 49 PID 7111 lwlock 41: shacq 133778 exacq 821 blk 87 PID 7114 lwlock 41: shacq 133757 exacq 897 blk 79 ... I've also put all the lwlock output here (2Mb) http://www.ast.cam.ac.uk/~koposov/files/pg/lwlocks.gz S ***************************************************** Sergey E. Koposov, PhD, Research Associate Institute of Astronomy, University of Cambridge Madingley road, CB3 0HA, Cambridge, UK Tel: +44-1223-337-551 Web: http://www.ast.cam.ac.uk/~koposov/
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