oom-killer shows up and then the box locks up. I'll try and get a dmesg with the oom-killer message in it.
--pj On Jun 29, 2006, at 5:02 PM, Sunil Mushran wrote: > HighFree: 11877028 kB > LowFree: 391020 kB > HighFree: 11761892 kB > LowFree: 342380 kB > HighFree: 11654316 kB > LowFree: 315860 kB > HighFree: 11578756 kB > LowFree: 291928 kB > HighFree: 11490936 kB > LowFree: 264788 kB > > That's at the end. I fail to see the enomem. Plenty of lowfree and > highfree. > Some of the slabs do have high counts, but this is a big box. > > What is crashing? Is the server oopsing? oom-kill? > Or, is the user-space process erroring out? > > Paul Jimenez wrote: >> I have that complete file - from before rsync to the crash (~ 4MB) >> at http://www.rgmadvisors.com/~pj/memslabinfo. >> >> Kernel is 2.6.16.7 vanilla, and the version of ocfs2 it came with. >> >> --pj >> >> >> On Jun 29, 2006, at 2:10 PM, Sunil Mushran wrote: >> >> >>> I would like the entire /proc/meminfo and /proc/slabinfo. >>> Dump it to a file every 1 min or so. >>> >>> What version of the kernel/ocfs2? >>> >>> Paul Jimenez wrote: >>> >>>> On Jun 29, 2006, at 8:22 AM, Brian Long wrote: >>>> >>>> >>>> >>>>> On Wed, 2006-06-28 at 17:03 -0500, Paul Jimenez wrote: >>>>> >>>>> >>>>>> I'm getting out of memory errors trying to do 'rsync -av /foo / >>>>>> bar' >>>>>> where /foo is a local dir and /bar is an ocfs2 filesystem >>>>>> running on >>>>>> an ~ 6T ATA-over-Ethernet box. >>>>>> >>>>>> >>>>> Paul, >>>>> >>>>> Can you also include some information about your /foo >>>>> partition? It is >>>>> millions of little files or hundreds of large files? What is >>>>> the RSS of >>>>> rsync when you run out of memory? >>>>> >>>>> http://samba.anu.edu.au/rsync/FAQ.html#5 >>>>> http://lists.samba.org/archive/rsync/2002-July/003160.html >>>>> >>>>> >>>>> >>>> /foo is ~ 4600 files each about 60GB for a total of ~259GB. >>>> >>>> Some output after or slightly-before it crashed: >>>> >>>> >>>> Every 2s: cat /proc/slabinfo | sort -rnk 2 | >>>> head Thu Jun 29 11:58:01 2006 >>>> >>>> buffer_head 754620 754632 52 72 1 : tunables >>>> 120 60 8 : slabdata 10481 10481 >>>> 0 >>>> bio 225600 225600 128 30 1 : tunables >>>> 120 60 8 : slabdata 7520 7520 >>>> 0 >>>> biovec-1 225593 225736 16 203 1 : tunables >>>> 120 60 8 : slabdata 1112 1112 >>>> 0 >>>> journal_head 175548 182448 52 72 1 : tunables >>>> 120 60 8 : slabdata 2530 2534 >>>> 0 >>>> aoe_bufs 112536 112554 48 78 1 : tunables >>>> 120 60 8 : slabdata 1443 1443 >>>> 0 >>>> radix_tree_node 41510 41510 276 14 1 : tunables >>>> 54 27 8 : slabdata 2965 2965 >>>> 0 >>>> sysfs_dir_cache 3644 3772 40 92 1 : tunables >>>> 120 60 8 : slabdata 41 41 >>>> 0 >>>> size-32 2938 4407 32 113 1 : tunables >>>> 120 60 8 : slabdata 39 39 >>>> 0 >>>> size-64 2354 2596 64 59 1 : tunables >>>> 120 60 8 : slabdata 44 44 >>>> 0 >>>> dentry_cache 2086 3090 128 30 1 : tunables >>>> 120 60 8 : slabdata 103 103 >>>> 0 >>>> >>>> >>>> Free swap: 16779608kB >>>> 4718592 pages of RAM >>>> 4489216 pages of HIGHMEM >>>> 562809 reserved pages >>>> 530215 pages shared >>>> 0 pages swap cached >>>> 136994 pages dirty >>>> 61878 pages writeback >>>> 142502 pages mapped >>>> 29403 pages slab >>>> 480 pages pagetables >>>> >>>> 4718592 pages of RAM >>>> 4489216 pages of HIGHMEM >>>> 562809 reserved pages >>>> 530215 pages shared >>>> 0 pages swap cached >>>> 136994 pages dirty >>>> 61876 pages writeback >>>> 142502 pages mapped >>>> 29425 pages slab >>>> 480 pages pagetables >>>> >>>> I don't think it's rsync running things oom; its memory >>>> consumption is filecount based and 4600 files just isn't that >>>> many. >>>> >>>> The tunables that I had in place from the AoE faq (http:// >>>> www.coraid.com/support/linux/EtherDrive-2.6-HOWTO.html#toc5.18) >>>> this time were: >>>> >>>> vm.overcommit_memory=2 >>>> vm.dirty_ratio=3 >>>> vm.dirty_background_ratio=3 >>>> vm.min_free_kbytes=5120 >>>> >>>> Any help appreciated. >>>> >>>> --pj >>>> >>>> _______________________________________________ >>>> Ocfs2-users mailing list >>>> [email protected] >>>> http://oss.oracle.com/mailman/listinfo/ocfs2-users >>>> >>>> >> >> >> _______________________________________________ >> Ocfs2-users mailing list >> [email protected] >> http://oss.oracle.com/mailman/listinfo/ocfs2-users >> _______________________________________________ Ocfs2-users mailing list [email protected] http://oss.oracle.com/mailman/listinfo/ocfs2-users
