Re: Max size of one swap slice

2008-08-06 Thread Lin Jui-Nan Eric
On Wed, Aug 6, 2008 at 12:46 AM, Chuck Swiger [EMAIL PROTECTED] wrote: It's hard to conceive of why you'd want to add so much swap space, anyway-- if you've got programs which actually need to deal with 10s of gigabytes worth of data, then they ought to maintain a smaller/reasonable-sized

Re: Max size of one swap slice

2008-08-06 Thread Kris Kennaway
Lin Jui-Nan Eric wrote: On Wed, Aug 6, 2008 at 12:46 AM, Chuck Swiger [EMAIL PROTECTED] wrote: It's hard to conceive of why you'd want to add so much swap space, anyway-- if you've got programs which actually need to deal with 10s of gigabytes worth of data, then they ought to maintain a

Re: Max size of one swap slice

2008-08-06 Thread Matthew Dillon
: :See : :http://www.freebsd.org/cgi/getmsg.cgi?fetch=540837+0+/usr/local/www/db/text/2008/freebsd-questions/20080706.freebsd-questions : :Kris Hmm. I see an issue that FreeBSD could correct to reduce wired memory use by the swap system. Your sys/blist.h has this: typedef

Max size of one swap slice

2008-08-05 Thread Lin Jui-Nan Eric
Hi All, Recently we found that we can only allocate 32GB for one swap slice. Does there is any sysctl oid or any kernel option to increase it? Why we have this restriction? ___ freebsd-stable@freebsd.org mailing list

Re: Max size of one swap slice

2008-08-05 Thread David Wolfskill
On Tue, Aug 05, 2008 at 11:39:11PM +0800, Lin Jui-Nan Eric wrote: ... Recently we found that we can only allocate 32GB for one swap slice. Yes. Does there is any sysctl oid or any kernel option to increase it? Why we have this restriction? I don't know why, though I suspect it may have

Re: Max size of one swap slice

2008-08-05 Thread Chuck Swiger
On Aug 5, 2008, at 8:39 AM, Lin Jui-Nan Eric wrote: Recently we found that we can only allocate 32GB for one swap slice. Does there is any sysctl oid or any kernel option to increase it? Why we have this restriction? This size limitation likely predates the availability of disks larger than

Re: Max size of one swap slice

2008-08-05 Thread Max Laier
On Tuesday 05 August 2008 17:39:11 Lin Jui-Nan Eric wrote: Recently we found that we can only allocate 32GB for one swap slice. Does there is any sysctl oid or any kernel option to increase it? Why we have this restriction? this is a consequence of the data structure used to manage swap

Re: Max size of one swap slice

2008-08-05 Thread Matthew Dillon
: Recently we found that we can only allocate 32GB for one swap slice. : Does there is any sysctl oid or any kernel option to increase it? Why : we have this restriction? : :this is a consequence of the data structure used to manage swap space. See :sys/blist.h for details. It *seems* that you