On Mon, 13 Jul 2009, Aleksey Tsalolikhin wrote: > Hi, David, > > Thanks for your reply. > > First of all, I don't have a /proc/slabinfo. But I do have > /sys/slab, not sure what to look at there... 199 directory entries. > > Here is example "vmstat 1" at the time of the problem: > > procs -----------memory---------- ---swap-- -----io---- --system-- > -----cpu------ > r b swpd free buff cache si so bi bo in cs us sy id wa > st > 2 9 42196 28912 132 1456 884 0 2116 28 2631 2643 0 4 26 69 > 0 > 0 3 42196 27432 176 2780 676 0 3128 20 2185 3149 1 4 17 79 > 0 > 0 5 42204 27956 148 1572 872 44 2028 128 1619 2688 0 3 26 72 > 0 > 0 10 42300 29140 156 2128 884 3088 3044 3108 2674 2431 0 5 8 87 > 0 > 0 14 42232 29412 140 2000 1480 1300 3776 1308 3728 4717 1 5 4 90 > 0 > 0 7 42252 29516 156 1592 884 448 3056 448 1790 1973 0 4 12 84 > 0 > 2 14 42228 28592 156 1196 15032 4992 38060 5088 18954 27756 > 0 3 0 97 0 > 4 44 42232 27124 164 1668 2868 1580 6160 1580 2807 2769 0 3 0 97 > 0 > 1 27 42236 28148 172 2440 2096 1408 7452 1440 2918 2318 0 3 0 97 > 0 > 2 19 42248 28540 156 2252 708 204 4080 204 3182 3390 0 2 0 98 > 0 > 1 17 42296 27620 196 2992 976 228 2808 228 1303 1416 0 1 0 99 > 0 > 1 41 42280 27260 208 2104 3840 1476 7960 1536 4488 4796 0 3 0 97 > 0 > 1 11 42264 27348 216 2752 616 12 2632 72 2672 2492 0 1 3 95 > 0 > 0 6 42260 27924 220 2276 412 0 1840 84 1188 1224 0 1 15 84 > 0
those si/so numbers indicate to me that the box is thrashing the swap. the wait time definantly says tht it's spending all it's time waiting for the disk. combined with your other ps numbers this definantly says that something was eating up the ram. unfortunantly figuring out what used up all the memory is beyond my expertise. with a more recent kernel I would say that you should post to the kernel mailing list, but with a kernel 8 releases behind (about 2 years of development), I think that they would start off by asking you to move to a newer kernel. If you post to the kernel list acknowledging this and asking for information of what to look for if/when it happens again you should be able to get good pointers. David Lang _______________________________________________ Tech mailing list [email protected] http://lopsa.org/cgi-bin/mailman/listinfo/tech This list provided by the League of Professional System Administrators http://lopsa.org/
