Re: [zfs-discuss] Re: Re: ZFS forces system to paging to the point it is

2006-09-13 Thread Mark Maybee
Robert Milkowski wrote: Hello Philippe, It was recommended to lower ncsize and I did (to default ~128K). So far it works ok for last days and staying at about 1GB free ram (fluctuating between 900MB-1,4GB). Do you think it's a long term solution or with more load and more data the problem can s

Re[2]: [zfs-discuss] Re: Re: ZFS forces system to paging to the point it is

2006-09-13 Thread Robert Milkowski
Hello Philippe, It was recommended to lower ncsize and I did (to default ~128K). So far it works ok for last days and staying at about 1GB free ram (fluctuating between 900MB-1,4GB). Do you think it's a long term solution or with more load and more data the problem can surface again even with cur

Re: [zfs-discuss] Re: Re: ZFS forces system to paging to the point it is

2006-09-07 Thread Matthew Ahrens
Philippe Magerus - SUN Service - Luxembourg wrote: there should be a tunable for max number of cached znodes/dnodes as there is in other file systems. ... As for arc.c_max, it should be settable via /etc/system. No, there should not be tunables. The system should simply work. We need to di

Re[2]: [zfs-discuss] Re: Re: ZFS forces system to paging to the point it is

2006-09-07 Thread Robert Milkowski
Hello Mark, Thursday, September 7, 2006, 12:32:32 AM, you wrote: MM> Robert Milkowski wrote: >> >> >> On Wed, 6 Sep 2006, Mark Maybee wrote: >> >>> Robert Milkowski wrote: >>> > ::dnlc!wc 1048545 3145811 76522461 >>> Well, that explains half your problem... and maybe a

Re: [zfs-discuss] Re: Re: ZFS forces system to paging to the point it is

2006-09-07 Thread Philippe Magerus - SUN Service - Luxembourg
Hi, This same dump has now shown up as a P1 pts-kernel esc of which I am the lucky owner. I noticed that arc.size is far smaller than the sum of all zio... caches. This of course might be caused by : 6456888 zpool scrubbing leads to memory exhaustion and system hang Except that there is no

Re: [zfs-discuss] Re: Re: ZFS forces system to paging to the point it is

2006-09-06 Thread Mark Maybee
Robert Milkowski wrote: On Wed, 6 Sep 2006, Mark Maybee wrote: Robert Milkowski wrote: ::dnlc!wc 1048545 3145811 76522461 Well, that explains half your problem... and maybe all of it: After I reduced vdev prefetch from 64K to 8K for last few hours system is working properly witho

Re: [zfs-discuss] Re: Re: ZFS forces system to paging to the point it is

2006-09-06 Thread Mark Maybee
Robert Milkowski wrote: ::dnlc!wc 1048545 3145811 76522461 Well, that explains half your problem... and maybe all of it: We have a thread that *should* be trying to free up these entries in the DNLC, however it appears to be blocked: stack pointer for thread 2a10014fcc0: 2a10014edd1 [

[zfs-discuss] Re: Re: ZFS forces system to paging to the point it is

2006-09-06 Thread Robert Milkowski
> ::dnlc!wc 1048545 3145811 76522461 > This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss