Displaying 7 results from an estimated 7 matches for "zfs_arc_min".
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zfs_arc_max
2010 Apr 05
0
Why does ARC grow above hard limit?
...t is being read?
--- BEFORE TEST
# ~/bin/arc_summary.pl
System Memory:
Physical RAM: 12270 MB
Free Memory : 7108 MB
LotsFree: 191 MB
ZFS Tunables (/etc/system):
set zfs:zfs_prefetch_disable = 1
set zfs:zfs_arc_max = 0x20000000
set zfs:zfs_arc_min = 0x10000000
ARC Size:
Current Size: 136 MB (arcsize)
Target Size (Adaptive): 512 MB (c)
Min Size (Hard Limit): 256 MB (zfs_arc_min)
Max Size (Hard Limit): 512 MB (zfs_arc_max)
...
> ::memstat
Page Summary Pages...
2010 Apr 02
0
ZFS behavior under limited resources
...cal 3141175 12270
----------
System Memory:
Physical RAM: 12270 MB
Free Memory : 6966 MB
LotsFree: 191 MB
ZFS Tunables (/etc/system):
set zfs:zfs_prefetch_disable = 1
set zfs:zfs_arc_max = 0x20000000
set zfs:zfs_arc_min = 0x10000000
ARC Size:
Current Size: 669 MB (arcsize)
Target Size (Adaptive): 512 MB (c)
Min Size (Hard Limit): 256 MB (zfs_arc_min)
Max Size (Hard Limit): 512 MB (zfs_arc_max)
ARC Size Breakdown:
Most Recently Used Cache Size:...
2010 Mar 21
1
arc_summary.pl results
...can see any issues with the ARC in the following
output?
bash-3.00# ./arc_summary.pl
System Memory:
Physical RAM: 6023 MB
Free Memory : 784 MB
LotsFree: 90 MB
ZFS Tunables (/etc/system):
ARC Size:
Current Size: 1159 MB (arcsize)
Target Size (Adaptive): 2106 MB (c)
Min Size (Hard Limit): 624 MB (zfs_arc_min)
Max Size (Hard Limit): 4999 MB (zfs_arc_max)
ARC Size Breakdown:
Most Recently Used Cache Size: 49% 1034 MB (p)
Most Frequently Used Cache Size: 50% 1072 MB (c-p)
ARC Efficency:
Cache Access Total: 59966414
Cache Hit Ratio: 99% 59929362 [Defined State for buffer]
Cache Miss Ratio: 0% 37052 [Unde...
2010 Apr 30
0
ARC Summary
...ndering if anyone of you see any issues with the following in Solaris
10 u8 ZFS?
System Memory:
Physical RAM: 11042 MB
Free Memory : 5250 MB
LotsFree: 168 MB
ZFS Tunables (/etc/system):
ARC Size:
Current Size: 4309 MB (arcsize)
Target Size (Adaptive): 10018 MB (c)
Min Size (Hard Limit): 1252 MB (zfs_arc_min)
Max Size (Hard Limit): 10018 MB (zfs_arc_max)
ARC Size Breakdown:
Most Recently Used Cache Size: 49% 5008 MB (p)
Most Frequently Used Cache Size: 50% 5009 MB (c-p)
ARC Efficency:
Cache Access Total: 5630506
Cache Hit Ratio: 98% 5564770 [Defined State for buffer]
Cache Miss Ratio: 1% 65736 [Undef...
2008 Aug 20
9
ARCSTAT Kstat Definitions
Would someone "in the know" be willing to write up (preferably blog) definitive definitions/explanations of all the arcstats provided via kstat? I''m struggling with proper interpretation of certain values, namely "p", "memory_throttle_count", and the mru/mfu+ghost hit vs demand/prefetch hit counters. I think I''ve got it figured out, but
2007 May 29
6
Deterioration with zfs performace and recent zfs bits?
Has anyone else noticed a significant zfs performance deterioration
when running recent opensolaris bits?
My 32-bit / 768 MB Toshiba Tecra S1 notebook was able to do a
full opensolaris release build in ~ 4 hours 45 minutes (gcc shadow
compilation disabled; using an lzjb compressed zpool / zfs on a
single notebook hdd p-ata drive).
After upgrading to 2007-05-25 opensolaris release bits
2011 Jan 12
6
ZFS slows down over a couple of days
Hi all,
I have exchanged my Dell R610 in favor of a Sun Fire 4170 M2 which has
32 GB RAM installed. I am running Sol11Expr on this host and I use it to
primarily serve Netatalk AFP shares. From day one, I have noticed that
the amount of free RAM decereased and along with that decrease the
overall performance of ZFS decreased as well.
Now, since I am still quite a Solaris newbie, I seem to