Re: [PERFORM] Using high speed swap to improve performance?

2010-04-08 Thread Lew
Christiaan Willemsen wrote: About a year ago we setup a machine with sixteen 15k disk spindles on Solaris using ZFS. Now that Oracle has taken Sun, and is closing up Solaris, we want to move away (we are more familiar with Linux anyway). Lew wrote: What evidence do you have that Oracle is "cl

Re: [PERFORM] Using high speed swap to improve performance?

2010-04-06 Thread Scott Marlowe
On Sun, Apr 4, 2010 at 3:17 PM, Lew wrote: > Christiaan Willemsen wrote: >> >> About a year ago we setup a machine with sixteen 15k disk spindles on >> Solaris using ZFS. Now that Oracle has taken Sun, and is closing up Solaris, >> we want to move away (we are more familiar with Linux anyway). > >

Re: [PERFORM] Using high speed swap to improve performance?

2010-04-06 Thread Lew
Christiaan Willemsen wrote: About a year ago we setup a machine with sixteen 15k disk spindles on Solaris using ZFS. Now that Oracle has taken Sun, and is closing up Solaris, we want to move away (we are more familiar with Linux anyway). What evidence do you have that Oracle is "closing up" So

Re: [PERFORM] Using high speed swap to improve performance?

2010-04-06 Thread Christiaan Willemsen
reate those files, or will it panic and not start at all, or can we just manually reindex?   Kind regards,   Christiaan   -Original message- From: Scott Marlowe Sent: Sun 04-04-2010 23:08 To: Christiaan Willemsen ; CC: pgsql-performance@postgresql.org; Subject: Re: [PERFORM] Using high

Re: [PERFORM] Using high speed swap to improve performance?

2010-04-05 Thread Greg Smith
Christiaan Willemsen wrote: So I was thinking: Why not make a big fat array using 14 disks (raid 1, 10 or 5), and make this a big and fast swap disk. Latency will be lower than the SAN can provide, and throughput will also be better, and it will relief the SAN from a lot of read iops. Pre

Re: [PERFORM] Using high speed swap to improve performance?

2010-04-04 Thread Scott Marlowe
On Fri, Apr 2, 2010 at 1:15 PM, Christiaan Willemsen wrote: > Hi there, > > About a year ago we setup a machine with sixteen 15k disk spindles on > Solaris using ZFS. Now that Oracle has taken Sun, and is closing up Solaris, > we want to move away (we are more familiar with Linux anyway). > > So t

Re: [PERFORM] Using high speed swap to improve performance?

2010-04-04 Thread Robert Haas
On Sun, Apr 4, 2010 at 4:52 PM, Robert Haas wrote: > On Fri, Apr 2, 2010 at 3:15 PM, Christiaan Willemsen > wrote: >> About a year ago we setup a machine with sixteen 15k disk spindles on >> Solaris using ZFS. Now that Oracle has taken Sun, and is closing up Solaris, >> we want to move away (we a

Re: [PERFORM] Using high speed swap to improve performance?

2010-04-04 Thread Robert Haas
On Fri, Apr 2, 2010 at 3:15 PM, Christiaan Willemsen wrote: > About a year ago we setup a machine with sixteen 15k disk spindles on > Solaris using ZFS. Now that Oracle has taken Sun, and is closing up Solaris, > we want to move away (we are more familiar with Linux anyway). > > So the plan is to

Re: [PERFORM] Using high speed swap to improve performance?

2010-04-02 Thread Arjen van der Meijden
What about FreeBSD with ZFS? I have no idea which features they support and which not, but it at least is a bit more free than Solaris and still offers that very nice file system. Best regards, Arjen On 2-4-2010 21:15 Christiaan Willemsen wrote: Hi there, About a year ago we setup a machine

[PERFORM] Using high speed swap to improve performance?

2010-04-02 Thread Christiaan Willemsen
Hi there,   About a year ago we setup a machine with sixteen 15k disk spindles on Solaris using ZFS. Now that Oracle has taken Sun, and is closing up Solaris, we want to move away (we are more familiar with Linux anyway).   So the plan is to move to Linux and put the data on a SAN using iSCS