[zfs-discuss] ARC cache and ls query

2009-10-30 Thread John
Hi, On an idle server, when I do a recursive '/usr/bin/ls' on a folder, I see a lot of disk activity. This makes sense because the results (metadata/data) may not have been cached. When I do a second ls on the same folder right after the first one finished, I do see disk activity again. Can

Re: [zfs-discuss] ARC cache and ls query

2009-10-30 Thread Henrik Johansson
Hello John, On Oct 30, 2009, at 9:03 PM, John wrote: Hi, On an idle server, when I do a recursive '/usr/bin/ls' on a folder, I see a lot of disk activity. This makes sense because the results (metadata/data) may not have been cached. When I do a second ls on the same folder right after

Re: [zfs-discuss] ARC cache and ls query

2009-10-30 Thread John
div id=jive-html-wrapper-div Hello John,divbrdivdivdivOn Oct 30, 2009, at 9:03 PM, John wrote:/divbr class=Apple-interchange-newlineblockquote type=citedivHi,brbrOn an idle server, when I do a recursive '/usr/bin/ls' on a folder, I see a lot of disk activity. This makes sense because the

Re: [zfs-discuss] ARC cache and ls query

2009-10-30 Thread Henrik Johansson
On Oct 30, 2009, at 10:20 PM, John wrote: thanks Henrik. This makes perfect sense. More questions. arc_meta_limit is set to a quarter of the ARC size. what is arc_meta_max ? On some systems, I have arc_meta_max arc_meta_limit. Example: arc_meta_used = 29427 MB arc_meta_limit