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Does Postgresql support 4KN/512e HDD/SSD?
3+ messages / 3 participants
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* Does Postgresql support 4KN/512e HDD/SSD?
@ 2022-10-05 00:46 yanliang lei <msdnchina@163.com>
  2022-10-05 00:53 ` Re: Does Postgresql support 4KN/512e HDD/SSD? Scott Ribe <scott_ribe@elevated-dev.com>
  2022-10-10 20:13 ` Re: Does Postgresql support 4KN/512e HDD/SSD? Rui DeSousa <rui@crazybean.net>
  0 siblings, 2 replies; 3+ messages in thread

From: yanliang lei @ 2022-10-05 00:46 UTC (permalink / raw)
  To: pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>

in the disk industry, hdd has 4kn and 512e,  ssd has 4kn and 512e.
I want to know about postgresql database  supports 4kn/512e in the hdd/ssd or not.


thanks a lot!









^ permalink  raw  reply  [nested|flat] 3+ messages in thread

* Re: Does Postgresql support 4KN/512e HDD/SSD?
  2022-10-05 00:46 Does Postgresql support 4KN/512e HDD/SSD? yanliang lei <msdnchina@163.com>
@ 2022-10-05 00:53 ` Scott Ribe <scott_ribe@elevated-dev.com>
  1 sibling, 0 replies; 3+ messages in thread

From: Scott Ribe @ 2022-10-05 00:53 UTC (permalink / raw)
  To: yanliang lei <msdnchina@163.com>; +Cc: pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>

> On Oct 4, 2022, at 6:46 PM, yanliang lei <msdnchina@163.com> wrote:
> 
> in the disk industry, hdd has 4kn and 512e,  ssd has 4kn and 512e.
> I want to know about postgresql database  supports 4kn/512e in the hdd/ssd or not.
> 
> thanks a lot!

Completely irrelevant to Postgres, as it does not attempt to use raw devices. It uses normal files, on whatever file system you provide.






^ permalink  raw  reply  [nested|flat] 3+ messages in thread

* Re: Does Postgresql support 4KN/512e HDD/SSD?
  2022-10-05 00:46 Does Postgresql support 4KN/512e HDD/SSD? yanliang lei <msdnchina@163.com>
@ 2022-10-10 20:13 ` Rui DeSousa <rui@crazybean.net>
  1 sibling, 0 replies; 3+ messages in thread

From: Rui DeSousa @ 2022-10-10 20:13 UTC (permalink / raw)
  To: yanliang lei <msdnchina@163.com>; +Cc: pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>



> On Oct 4, 2022, at 8:46 PM, yanliang lei <msdnchina@163.com> wrote:
> 
> in the disk industry, hdd has 4kn and 512e,  ssd has 4kn and 512e.
> I want to know about postgresql database  supports 4kn/512e in the hdd/ssd or not.

You want to make sure your filesystem is aligned correctly; otherwise that will impact performance.

^ permalink  raw  reply  [nested|flat] 3+ messages in thread


end of thread, other threads:[~2022-10-10 20:13 UTC | newest]

Thread overview: 3+ messages (download: mbox mbox.gz follow: Atom feed)
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2022-10-05 00:46 Does Postgresql support 4KN/512e HDD/SSD? yanliang lei <msdnchina@163.com>
2022-10-05 00:53 ` Scott Ribe <scott_ribe@elevated-dev.com>
2022-10-10 20:13 ` Rui DeSousa <rui@crazybean.net>

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