Re: [PERFORM] 1 TB of memory

2006-03-20 Thread Vivek Khera
On Mar 20, 2006, at 2:44 PM, Merlin Moncure wrote: For my use it was worth the price. However, given the speed increase of other components since then, I don't think I'd buy one today. Parallelism (if you can do it like Luke suggested) is the way to go. Thats an interesting statement. My pe

Re: [PERFORM] 1 TB of memory

2006-03-20 Thread Merlin Moncure
> > I like their approach...ddr ram + raid sanity backup + super reliable > > power system. Their prices are on jupiter (and i dont mean jupiter, > > fl) but hopefully there will be some competition and the invetible > > Nothing unique to them. I have a 4 year old SSD from a now out-of- > busines

Re: [PERFORM] 1 TB of memory

2006-03-20 Thread Vivek Khera
On Mar 17, 2006, at 5:07 PM, Scott Marlowe wrote: Open Source SSD via iSCSI with commodity hardware... hmmm. sounds like a useful project. sh! don't give away our top secret plans! ---(end of broadcast)--- TIP 6: explain analyze is yo

Re: [PERFORM] 1 TB of memory

2006-03-20 Thread Vivek Khera
On Mar 17, 2006, at 8:55 AM, Merlin Moncure wrote: I like their approach...ddr ram + raid sanity backup + super reliable power system. Their prices are on jupiter (and i dont mean jupiter, fl) but hopefully there will be some competition and the invetible Nothing unique to them. I have a 4

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Scott Marlowe
On Fri, 2006-03-17 at 15:28, Merlin Moncure wrote: > On 3/17/06, Luke Lonergan <[EMAIL PROTECTED]> wrote: > > > Now what happens as soon as you start doing random I/O? :) > > If you are accessing 3 rows at a time from among billions, the problem you > > have is mostly access time - so an SSD might

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Merlin Moncure
On 3/17/06, Luke Lonergan <[EMAIL PROTECTED]> wrote: > > Now what happens as soon as you start doing random I/O? :) > If you are accessing 3 rows at a time from among billions, the problem you > have is mostly access time - so an SSD might be very good for some OLTP > applications. However - the i

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Luke Lonergan
Jim, On 3/17/06 9:36 AM, "Jim C. Nasby" <[EMAIL PROTECTED]> wrote: > Now what happens as soon as you start doing random I/O? :) Well - given that we've divided the data into 32 separate segments, and that seeking is done in parallel over all 256 disk drives, random I/O rocks hard and scales. Of

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Jim C. Nasby
On Thu, Mar 16, 2006 at 10:44:25PM -0800, Luke Lonergan wrote: > Jim, > > > PostgreSQL tuned to the max and still too slow? Database too big to > > fit into memory? Here's the solution! http://www.superssd.com/ > > products/tera-ramsan/ > > With a single 3 Gbyte/second infiniband connection to th

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Merlin Moncure
On 3/17/06, Rodrigo Madera <[EMAIL PROTECTED]> wrote: > I don't know about you databasers that crunch in some selects, updates > and deletes, but my personal developer workstation is planned to be a > 4x 300GB SATA300 with a dedicated RAID stripping controller (no > checksums, just speedup) and 4x

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Merlin Moncure
On 3/16/06, Jim Nasby <[EMAIL PROTECTED]> wrote: > PostgreSQL tuned to the max and still too slow? Database too big to > fit into memory? Here's the solution! http://www.superssd.com/ > products/tera-ramsan/ > > Anyone purchasing one will be expected to post benchmarks! :) I like their approach...

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Alex Stapleton
We got a quote for one of these (entirely for comedy value of course) and it was in the region of £1,500,000 give or take a few thousand. On 16 Mar 2006, at 18:33, Jim Nasby wrote: PostgreSQL tuned to the max and still too slow? Database too big to fit into memory? Here's the solution! http:

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Rodrigo Madera
For God's sake buy a mainframe! =o) On 3/17/06, Michael Stone <[EMAIL PROTECTED]> wrote: > On Thu, Mar 16, 2006 at 10:44:25PM -0800, Luke Lonergan wrote: > >You'd be better off with 4 x $10K servers that do 800MB/s from disk each and > >a Bizgres MPP - then you'd do 3.2GB/s (faster than the SSD) a

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Michael Stone
On Thu, Mar 16, 2006 at 10:44:25PM -0800, Luke Lonergan wrote: You'd be better off with 4 x $10K servers that do 800MB/s from disk each and a Bizgres MPP - then you'd do 3.2GB/s (faster than the SSD) at a price 1/10 of the SSD, and you'd have 24TB of RAID5 disk under you. Except, of course, tha

Re: [PERFORM] 1 TB of memory

2006-03-17 Thread Luke Lonergan
Josh, On 3/16/06 9:43 PM, "Josh Berkus" wrote: >> With a single 3 Gbyte/second infiniband connection to the device? > > Hey, take it easy! Jim's post was tongue-in-cheek. You're right - I insulted his bandwidth, sorry :-) - Luke ---(end of broadcast)---

Re: [PERFORM] 1 TB of memory

2006-03-16 Thread Josh Berkus
Luke, > With a single 3 Gbyte/second infiniband connection to the device? Hey, take it easy! Jim's post was tongue-in-cheek. -- Josh Berkus Aglio Database Solutions San Francisco ---(end of broadcast)--- TIP 5: don't forget to increase your fre

Re: [PERFORM] 1 TB of memory

2006-03-16 Thread Luke Lonergan
Jim, On 3/16/06 10:44 PM, "Luke Lonergan" <[EMAIL PROTECTED]> wrote: > Plus - need more speed? Add 12 more servers, and you'd run at 12.8GB/s and > have 96TB of disk to work with, and you'd *still* spend less on HW and SW > than the SSD. And I forgot to mention that with these 16 servers you'd

Re: [PERFORM] 1 TB of memory

2006-03-16 Thread Luke Lonergan
Jim, > PostgreSQL tuned to the max and still too slow? Database too big to > fit into memory? Here's the solution! http://www.superssd.com/ > products/tera-ramsan/ With a single 3 Gbyte/second infiniband connection to the device? You'd be better off with 4 x $10K servers that do 800MB/s from dis

Re: [PERFORM] 1 TB of memory

2006-03-16 Thread Matthew Nuzum
On 3/16/06, Jim Nasby <[EMAIL PROTECTED]> wrote: > PostgreSQL tuned to the max and still too slow? Database too big to > fit into memory? Here's the solution! http://www.superssd.com/ > products/tera-ramsan/ > > Anyone purchasing one will be expected to post benchmarks! :) Pricing is tight-lipped,

Re: [PERFORM] 1 TB of memory

2006-03-16 Thread Ron Peacetree
haps more money than sense.) Ron -Original Message- >From: Jim Nasby <[EMAIL PROTECTED]> >Sent: Mar 16, 2006 1:33 PM >To: pgsql-performance@postgresql.org >Subject: [PERFORM] 1 TB of memory > >PostgreSQL tuned to the max and still too slow? Database too big to >

Re: [PERFORM] 1 TB of memory

2006-03-16 Thread Joshua D. Drake
Jim Nasby wrote: PostgreSQL tuned to the max and still too slow? Database too big to fit into memory? Here's the solution! http://www.superssd.com/products/tera-ramsan/ Anyone purchasing one will be expected to post benchmarks! :) And give us one :) -- Jim C. Nasby, Sr. Engineering Consulta

[PERFORM] 1 TB of memory

2006-03-16 Thread Jim Nasby
PostgreSQL tuned to the max and still too slow? Database too big to fit into memory? Here's the solution! http://www.superssd.com/ products/tera-ramsan/ Anyone purchasing one will be expected to post benchmarks! :) -- Jim C. Nasby, Sr. Engineering Consultant [EMAIL PROTECTED] Pervasive So