| From: | ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> |
|---|---|
| To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Load Distributed Checkpoints test results |
| Date: | 2007-06-14 07:20:04 |
| Message-ID: | 20070614142205.6A5F.ITAGAKI.TAKAHIRO@oss.ntt.co.jp |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Heikki Linnakangas <heikki(at)enterprisedb(dot)com> wrote:
> Here's results from a batch of test runs with LDC. This patch only
> spreads out the writes, fsyncs work as before.
I saw similar results in my tests. Spreading only writes are enough
for OLTP at least on Linux with middle-or-high-grade storage system.
It also works well on desktop-grade Widnows machine.
However, I don't know how it works on other OSes, including Solaris
and FreeBSD, that have different I/O policies. Would anyone test it
in those environment?
Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center
| From | Date | Subject | |
|---|---|---|---|
| Next Message | ITAGAKI Takahiro | 2007-06-14 07:39:37 | Sorted writes in checkpoint |
| Previous Message | Nikolay Samokhvalov | 2007-06-14 05:24:48 | Re: EXPLAIN omits schema? |