Re: [squid-users] assertion failed in COSS

On 14/01/11 01:38, Hasanen AL-Bana wrote:
> Hi,
>
> I am getting these every few minutes causing squid process to restart
>
> 2011/01/08 17:30:20| assertion failed: coss/store_dir_coss.c:276:
> "curstripe == storeCossFilenoToStripe(cs, e->swap_filen)"
> 2011/01/08 17:36:44| assertion failed: coss/store_dir_coss.c:276:
> "curstripe == storeCossFilenoToStripe(cs, e->swap_filen)"
> 2011/01/08 17:43:14| assertion failed: coss/store_dir_coss.c:276:
> "curstripe == storeCossFilenoToStripe(cs, e->swap_filen)"
> 2011/01/08 17:50:19| assertion failed: coss/store_dir_coss.c:276:
> "curstripe == storeCossFilenoToStripe(cs, e->swap_filen)"
> 2011/01/08 17:57:17| assertion failed: coss/store_dir_coss.c:276:
> "curstripe == storeCossFilenoToStripe(cs, e->swap_filen)"
> 2011/01/08 18:04:40| assertion failed: coss/store_dir_coss.c:276:
> "curstripe == storeCossFilenoToStripe(cs, e->swap_filen)"
> 2011/01/08 18:11:25| assertion failed: coss/store_dir_coss.c:276:
> "curstripe == storeCossFilenoToStripe(cs, e->swap_filen)"
>
> The system has about 1TB of 15K SAS Disks with 32GB of RAM.
>
> here are my cache_dir settings :
>
>
> cache_dir coss /mnt/cachedisk1/coss/store1 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
> cache_dir coss /mnt/cachedisk1/coss/store2 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
> cache_dir coss /mnt/cachedisk1/coss/store3 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
> cache_dir coss /mnt/cachedisk1/coss/store4 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
> cache_dir coss /mnt/cachedisk1/coss/store5 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
>
> cache_dir coss /mnt/cachedisk2/coss/store1 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
> cache_dir coss /mnt/cachedisk2/coss/store2 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
> cache_dir coss /mnt/cachedisk2/coss/store3 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
> cache_dir coss /mnt/cachedisk2/coss/store4 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
> cache_dir coss /mnt/cachedisk2/coss/store5 50000 max-size=1000000
> maxfullbufs=4 membufs=20 block-size=4096
>
> When I disabled most of the cache_dirs the system worked just fine ,
> is there any issue with having lots of coss cache_dirs ?

You are out on/past the edges of known configurations there already.
Most mentions here have been from people using only a few cache_dir,
mixing aufs for bugger objects with a COSS or two to speed up the small
items.

Amos

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