Re: hanging for 30sec when checkpointing
| От | Peter Galbavy | 
|---|---|
| Тема | Re: hanging for 30sec when checkpointing | 
| Дата | |
| Msg-id | 009101c3ed69$1e637790$24e0a8c0@sonylaptop обсуждение исходный текст | 
| Ответ на | Re: hanging for 30sec when checkpointing ("scott.marlowe" <scott.marlowe@ihs.com>) | 
| Ответы | Re: hanging for 30sec when checkpointing Re: hanging for 30sec when checkpointing | 
| Список | pgsql-admin | 
scott.marlowe wrote: > Also, running on SCSI drives will be much faster than running on IDE > drives if the IDE drives have their caches disabled like they should, > since they lie otherwise. Since SCSI disks don't usually lie, and are > designed to handle multiple requests in parallel, they are much > faster as parallel load increases. If you're writing a lot, you > should either have a great number of IDE drives with the write cache > turned off, like some of the newer storage devices made of ~100 IDE > drives, or you should have SCSI. SCSI's advantage won't be as great > as the number of drives approaches infinity. But for 1 to 10 drives > my guess is that SCSI is gonna be a clear winner under parallel load. Nice to see old fashioned misinformation being spread around the place... Peter
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