[zfs-discuss] Memory Usage

Frank Hofmann
Fri, 14 Sep 2007 13:56:33 -0000

On Fri, 14 Sep 2007, Sergey wrote:

> I am running Solaris U4 x86_64.
>
> Seems that something is changed regarding mdb:
>
> # mdb -k
> Loading modules: [ unix krtld genunix specfs dtrace cpu.AuthenticAMD.15
uppc pcplusmp ufs ip hook neti sctp arp usba fctl nca lofs zfs random nfs sppp
crypto ptm ]
>> arc::print -a c_max
> mdb: failed to dereference symbol: unknown symbol name

See the comments at the bottom of:

http://bugs.opensolaris.org/view_bug.do?bug_id=6510807

Best regards,
FrankH.

>
>
>> ::arc -a
> {
>    hits = 0x6baba0
>    misses = 0x25ceb
>    demand_data_hits = 0x2f0bb9
>    demand_data_misses = 0x92bc
>    demand_metadata_hits = 0x2b50db
>    demand_metadata_misses = 0x14c20
>    prefetch_data_hits = 0x5bfe
>    prefetch_data_misses = 0x1d42
>    prefetch_metadata_hits = 0x10f30e
>    prefetch_metadata_misses = 0x60cd
>    mru_hits = 0x62901
>    mru_ghost_hits = 0x9dd5
>    mfu_hits = 0x545ea4
>    mfu_ghost_hits = 0xb9aa
>    deleted = 0xcb5a3
>    recycle_miss = 0x131fb
>    mutex_miss = 0x1520
>    evict_skip = 0x0
>    hash_elements = 0x1ea54
>    hash_elements_max = 0x40fac
>    hash_collisions = 0x138464
>    hash_chains = 0x92c7
> [..skipped..]
>
> How can I set/view arc.c_max now?
>
>
> This message posted from opensolaris.org
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