Hello,
I'm definitely not an expert on OS configuration, but from what I see below, I
am either misinterpreting the output, or your OS has a configuration problem.
>From what I see from the output of "free", you have 3GB of memory and 6GB of
swap space. That is good.
However, when the kernel kills bacula-dir, the output says:
Free swap = 0kB
Total swap = 2003272kB
which I take to mean that it is using 2GB of swap space not the 6 that are
shown above. Obviously 2GB of swap space is totally inadequate if you have
3GB of memory. I recommend checking what swap you have allocated on which
devices, and if you have several swap devices, make sure that they are all
turned on.
Regards,
Kern
On Sunday 18 March 2007 08:57, SITKEI Attila wrote:
> Dear list,
>
> I use bacula since one year and found to be an excellent backup
> solution, thank you for it. We currently backup about 120 client using
> it and plan to migrate to other backups as well.
>
> The storage backends are two storages (so no tape are used) both from
> Transtec, in 4 and 8 TB size, sharing a common lvm, formatted using xfs
> (not an ideal solution, I know, but had legacy tasks). The devices are
> working properly at a very low usage (iostat shows up to 15%). In the
> past, MySQL db (MyISAM backend, inno is completely disabled) was located
> on a filesystem formatted on the built-in CCISS hardware array, but the
> IO was slow in some cases so I moved it to the storages. The used
> SCSI-controller:
>
> 0000:06:01.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030
> PCI-X Fusion-MPT Dual Ultra320 SCSI (rev 07)
> NENO(~)$ cat /etc/SuSE-release
> SUSE LINUX Enterprise Server 9 (x86_64)
> VERSION = 9
> PATCHLEVEL = 3
>
> NENO(~)$ cat /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 15
> model : 4
> model name : Intel(R) Xeon(TM) CPU 3.20GHz
> stepping : 1
> cpu MHz : 3200.243
> cache size : 1024 KB
> [...]
>
> only one CPU. The machine is a HP DL380 G4 anyway.
>
>
> I had some minor problems using the software, these originated from
> my ignorance I mean, but for now this problem seems to be something
> different. Bacula-web says:
>
> Total clients: 119 Total bytes stored: 4.53 TB
> Total files: 5591153 Database size: 3.61 GB
>
> The only problem is that the machine that runs bacula-dir keeps having
> OOM events (out of memory); currently I see these lines is top:
>
> 4498 root 16 0 1963m 1.5g 1572 S 0.0 49.5 97:10.62 bacula-dir
> 20515 mysql 16 0 292m 277m 3688 S 0.0 9.2 93:45.44 mysqld
> 28746 root 16 0 128m 16m 1356 S 1.0 0.5 112:26.29 bacula-sd
>
> while the normal memory usage of -dir is around 300MB, -sd used to eat
> 100. MySQL is constantly using 300. The machine:
>
> Linux neno 2.6.16 #2 SMP Wed Mar 29 08:13:36 CEST 2006 x86_64 x86_64
> x86_64 GNU/Linux
>
> NENO(~)$ free
> total used free shared buffers
> cached
> Mem: 3092292 3070944 21348 0 5940
> 990736
> -/+ buffers/cache: 2074268 1018024
> Swap: 6197568 16 6197552
>
> NENO(~)$ rpm -qa | grep bacula
> bacula-mysql-2.0.3-1
> bacula-mtx-2.0.3-1
> bacula-updatedb-2.0.3-1
>
> (I used bacula 1.38.10 until the last week but upgraded to give the new
> version a try)
>
> Here a dmesg snippet:
>
> Call Trace: <ffffffff801496de>{out_of_memory+60}
> <ffffffff8014b766>{__alloc_pages+524}
> <ffffffff80147ca3>{generic_file_buffered_write+440}
> <ffffffff803111e0>{tcp_rcv_established+1821}
> <ffffffff8012d9ce>{current_fs_time+77}
> <ffffffff80183175>{__mark_inode_dirty+230}
> <ffffffff802404f1>{__up_write+20}
> <ffffffff80227bf0>{xfs_write+1695}
> <ffffffff802e2708>{do_sock_read+154}
> <ffffffff802e3bad>{sock_aio_read+79}
> <ffffffff801471bc>{filemap_nopage+379}
> <ffffffff802242fd>{linvfs_aio_write+103}
> <ffffffff80163c0a>{do_sync_write+201}
> <ffffffff8013bafd>{autoremove_wake_function+0}
> <ffffffff801645bf>{vfs_write+175}
> <ffffffff8016471b>{sys_write+69}
> <ffffffff8010a762>{system_call+126}
> Mem-info:
> DMA per-cpu:
> cpu 0 hot: high 0, batch 1 used:0
> cpu 0 cold: high 0, batch 1 used:0
> DMA32 per-cpu:
> cpu 0 hot: high 186, batch 31 used:34
> cpu 0 cold: high 62, batch 15 used:61
> Normal per-cpu: empty
> HighMem per-cpu: empty
> Free pages: 19304kB (0kB HighMem)
> Active:377849 inactive:378436 dirty:0 writeback:0 unstable:0 free:4826
> slab:4011 mapped:755464 pagetables:
> 3137
> DMA free:12080kB min:24kB low:28kB high:36kB active:136kB inactive:124kB
> present:12008kB pages_scanned:334
> all_unreclaimable? yes
> lowmem_reserve[]: 0 3014 3014 3014
> DMA32 free:7224kB min:7012kB low:8764kB high:10516kB active:1511260kB
> inactive:1513620kB present:3086512kB
> pages_scanned:2750569 all_unreclaimable? no
> lowmem_reserve[]: 0 0 0 0
> Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB
> present:0kB pages_scanned:0 all_unreclaim
> able? no
> lowmem_reserve[]: 0 0 0 0
> HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB
> present:0kB pages_scanned:0 all_un
> reclaimable? no
> lowmem_reserve[]: 0 0 0 0
> DMA: 0*4kB 0*8kB 1*16kB 1*32kB 2*64kB 1*128kB 2*256kB 0*512kB 1*1024kB
> 1*2048kB 2*4096kB = 12080kB
> DMA32: 58*4kB 52*8kB 5*16kB 1*32kB 9*64kB 2*128kB 0*256kB 1*512kB
> 1*1024kB 0*2048kB 1*4096kB = 7224kB
> Normal: empty
> HighMem: empty
> Swap cache: add 856241, delete 855934, find 1489150/1525433, race 0+0
> Free swap = 0kB
> Total swap = 2003272kB
> Free swap: 0kB
> 786419 pages of RAM
> 13346 reserved pages
> 6966 pages shared
> 307 pages swap cached
> Out of Memory: Kill process 20474 (bacula-dir) score 74606 and children.
> Out of memory: Killed process 20474 (bacula-dir).
> oom-killer: gfp_mask=0x201d2, order=0
>
>
> I can live with the situation, only linux keeps killing applications at
> arbitrary times. Any suggestions?
>
>
>
> TIA
>
>
>
> --tef
>
>
> -------------------------------------------------------------------------
> Take Surveys. Earn Cash. Influence the Future of IT
> Join SourceForge.net's Techsay panel and you'll get the chance to share your
> opinions on IT & business topics through brief surveys-and earn cash
> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
> _______________________________________________
> Bacula-users mailing list
> Bacula-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bacula-users
>
-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT & business topics through brief surveys-and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
_______________________________________________
Bacula-users mailing list
Bacula-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bacula-users
