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Re: Load Distributed Checkpoints, take 3

From: ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
To: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
Cc: Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Load Distributed Checkpoints, take 3
Date: 2007-06-21 01:40:42
Message-ID: 20070621102244.6E54.ITAGAKI.TAKAHIRO@oss.ntt.co.jp (view raw or flat)
Thread:
Lists: pgsql-patches
Heikki Linnakangas <heikki(at)enterprisedb(dot)com> wrote:

> Here's an updated WIP patch for load distributed checkpoints.
> Since last patch, I did some clean up and refactoring, and added a bunch 
> of comments, and user documentation.

The only thing I don't understand is the naming of 'checkpoint_smoothing'.
Can users imagine the unit of 'smoothing' is a fraction?

You explain the paremeter with the word 'fraction'.
Why don't you simply name it 'checkpoint_fraction' ?
| Specifies the target length of checkpoints, as a fraction of
| the checkpoint interval. The default is 0.3.

Sorry if I'm missing discussions abount the naming.

Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center



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