Re: How to improve db performance with $7K?
От | Bruce Momjian |
---|---|
Тема | Re: How to improve db performance with $7K? |
Дата | |
Msg-id | 200504182058.j3IKwTG13788@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: How to improve db performance with $7K? (Kevin Brown) |
Ответы |
Re: How to improve db performance with $7K?
(Alex Turner)
|
Список | pgsql-performance |
Дерево обсуждения
How to improve db performance with $7K?
(Steve Poe,
)
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Will LaShell, )
Re: How to improve db performance with $7K? ("Joshua D. Drake", )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Bjoern Metzdorf, )
Re: How to improve db performance with $7K? (Josh Berkus, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Cott Lang, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Cott Lang, )
Follow-Up: How to improve db performance with $7K? (Steve Poe, )
Re: Follow-Up: How to improve db performance with $7K? (Thomas F.O'Connell, )
Re: Follow-Up: How to improve db performance with $7K? (Kevin Brown, )
Re: Follow-Up: How to improve db performance with $7K? ("Steinar H. Gunderson", )
Re: Follow-Up: How to improve db performance with $7K? (Thomas F.O'Connell, )
Re: Follow-Up: How to improve db performance with $7K? (Vivek Khera, )
Re: Follow-Up: How to improve db performance with $7K? (Will LaShell, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: Follow-Up: How to improve db performance with $7K? (PFC, )
Re: Follow-Up: How to improve db performance with $7K? ("Steinar H. Gunderson", )
Re: How to improve db performance with $7K? (PFC, )
Re: How to improve db performance with $7K? (Dave Cramer, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Vivek Khera, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (PFC, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Vivek Khera, )
Re: How to improve db performance with $7K? ("Joshua D. Drake", )
Re: How to improve db performance with $7K? (Vivek Khera, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Matthew Nuzum, )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? (Rosser Schwarz, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Bruce Momjian, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Alvaro Herrera, )
Re: How to improve db performance with $7K? (Bruce Momjian, )
Re: How to improve db performance with $7K? ("Douglas J. Trainor", )
Re: How to improve db performance with $7K? (, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (, )
Re: How to improve db performance with $7K? ("Douglas J. Trainor", )
Re: How to improve db performance with $7K? (PFC, )
Re: How to improve db performance with $7K? (Alan Stange, )
Re: How to improve db performance with $7K? (Dave Cramer, )
Re: How to improve db performance with $7K? ("Alexander Kirpa", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Matthew Nuzum", )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (PFC, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? ("Joshua D. Drake", )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Jacques Caron, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Jacques Caron, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Jacques Caron, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alan Stange, )
Re: How to improve db performance with $7K? (John A Meinel, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? ("Joshua D. Drake", )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Jacques Caron, )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? (Bruce Momjian, )
Re: How to improve db performance with $7K? (, )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
What to do with 6 disks? (Jeff Frost, )
Re: What to do with 6 disks? ("Jim C. Nasby", )
Re: What to do with 6 disks? (Josh Berkus, )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) (Jeff Frost, )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) ("J. Andrew Rogers", )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) (Jeff Frost, )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) (William Yu, )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) (Vivek Khera, )
Re: What to do with 6 disks? (Vivek Khera, )
Re: What to do with 6 disks? (William Yu, )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? (Bruce Momjian, )
Re: How to improve db performance with $7K? (Dawid Kuroczko, )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Will LaShell, )
Re: How to improve db performance with $7K? ("Joshua D. Drake", )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Bjoern Metzdorf, )
Re: How to improve db performance with $7K? (Josh Berkus, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Cott Lang, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Cott Lang, )
Follow-Up: How to improve db performance with $7K? (Steve Poe, )
Re: Follow-Up: How to improve db performance with $7K? (Thomas F.O'Connell, )
Re: Follow-Up: How to improve db performance with $7K? (Kevin Brown, )
Re: Follow-Up: How to improve db performance with $7K? ("Steinar H. Gunderson", )
Re: Follow-Up: How to improve db performance with $7K? (Thomas F.O'Connell, )
Re: Follow-Up: How to improve db performance with $7K? (Vivek Khera, )
Re: Follow-Up: How to improve db performance with $7K? (Will LaShell, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: Follow-Up: How to improve db performance with $7K? (PFC, )
Re: Follow-Up: How to improve db performance with $7K? ("Steinar H. Gunderson", )
Re: How to improve db performance with $7K? (PFC, )
Re: How to improve db performance with $7K? (Dave Cramer, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Vivek Khera, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (PFC, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Vivek Khera, )
Re: How to improve db performance with $7K? ("Joshua D. Drake", )
Re: How to improve db performance with $7K? (Vivek Khera, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Matthew Nuzum, )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? (Rosser Schwarz, )
Re: How to improve db performance with $7K? (Kevin Brown, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Bruce Momjian, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Alvaro Herrera, )
Re: How to improve db performance with $7K? (Bruce Momjian, )
Re: How to improve db performance with $7K? ("Douglas J. Trainor", )
Re: How to improve db performance with $7K? (, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (, )
Re: How to improve db performance with $7K? ("Douglas J. Trainor", )
Re: How to improve db performance with $7K? (PFC, )
Re: How to improve db performance with $7K? (Alan Stange, )
Re: How to improve db performance with $7K? (Dave Cramer, )
Re: How to improve db performance with $7K? ("Alexander Kirpa", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Matthew Nuzum", )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (PFC, )
Re: How to improve db performance with $7K? (Tom Lane, )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? ("Joshua D. Drake", )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Jacques Caron, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Jacques Caron, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Jacques Caron, )
Re: How to improve db performance with $7K? (Greg Stark, )
Re: How to improve db performance with $7K? (Alan Stange, )
Re: How to improve db performance with $7K? (John A Meinel, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? ("Joshua D. Drake", )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Steve Poe, )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (Jacques Caron, )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? (Alex Turner, )
Re: How to improve db performance with $7K? (William Yu, )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? (Bruce Momjian, )
Re: How to improve db performance with $7K? (, )
Re: How to improve db performance with $7K? ("Jim C. Nasby", )
What to do with 6 disks? (Jeff Frost, )
Re: What to do with 6 disks? ("Jim C. Nasby", )
Re: What to do with 6 disks? (Josh Berkus, )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) (Jeff Frost, )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) ("J. Andrew Rogers", )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) (Jeff Frost, )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) (William Yu, )
Re: Opteron vs Xeon (Was: What to do with 6 disks?) (Vivek Khera, )
Re: What to do with 6 disks? (Vivek Khera, )
Re: What to do with 6 disks? (William Yu, )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? (Bruce Momjian, )
Re: How to improve db performance with $7K? (Dawid Kuroczko, )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Re: How to improve db performance with $7K? ("Dave Held", )
Re: How to improve db performance with $7K? ("Mohan, Ross", )
Kevin Brown wrote: > Greg Stark wrote: > > > > I think you're being misled by analyzing the write case. > > > > Consider the read case. When a user process requests a block and > > that read makes its way down to the driver level, the driver can't > > just put it aside and wait until it's convenient. It has to go ahead > > and issue the read right away. > > Well, strictly speaking it doesn't *have* to. It could delay for a > couple of milliseconds to see if other requests come in, and then > issue the read if none do. If there are already other requests being > fulfilled, then it'll schedule the request in question just like the > rest. The idea with SCSI or any command queuing is that you don't have to wait for another request to come in --- you can send the request as it arrives, then if another shows up, you send that too, and the drive optimizes the grouping at a later time, knowing what the drive is doing, rather queueing in the kernel. -- Bruce Momjian | http://candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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