[svn.haxx.se] · SVN Dev · SVN Users · SVN Org · TSVN Dev · TSVN Users · Subclipse Dev · Subclipse Users · this month's index

Re: Subject: [PATCH] WC rep cache optimization for some file

From: Mark Phippard <markphip_at_gmail.com>
Date: Wed, 19 Sep 2012 14:20:30 -0400

On Wed, Sep 19, 2012 at 2:18 PM, Vasily Tunegov <vasily.tunegov_at_gmail.com>wrote:

> I understand what WAL mode is not suitable for svn. But my patch uses
> PERSIST mode which give very good results, e.g. for NTFS on Windows as I
> shown in tests.
>
> One problem, as says Philip Martin, is reduced performance on NFS disks.
> But I don't understand why. The number of file operations in PERSIST mode
> greatly reduced. Unfortunaly I don't have NFS disk, if it means Network
> File System developed by Sun Microsystems. Windows is using SMB protocol to
> access files via network. I will test SBM and put result here later.
>
>
Off-topic but related. What has happened to Philip's patch to enable
exclusive locking for SQLite which "solves" the performance issue with NFS?
 I thought we were going to try to enable that via some runtime option or
perhaps when we detect the working copy is on network?

-- 
Thanks
Mark Phippard
http://markphip.blogspot.com/
Received on 2012-09-19 20:21:02 CEST

This is an archived mail posted to the Subversion Dev mailing list.

This site is subject to the Apache Privacy Policy and the Apache Public Forum Archive Policy.