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From: Viji V Nair <viji@fedoraproject.org>
To: Jon Burgess <jburgess777@googlemail.com>
Cc: linux-ext4@vger.kernel.org, Theodore Tso <tytso@mit.edu>,
	ext3-users@redhat.com
Subject: Re: optimising filesystem for many small files
Date: Sun, 18 Oct 2009 18:21:53 +0530	[thread overview]
Message-ID: <84c89ac10910180551j123e94a7ud5dce240619ab99@mail.gmail.com> (raw)
In-Reply-To: <1255865110.27380.52.camel@localhost.localdomain>

On Sun, Oct 18, 2009 at 4:55 PM, Jon Burgess <jburgess777@googlemail.com> wrote:
> On Sun, 2009-10-18 at 15:01 +0530, Viji V Nair wrote:
>> The application which we are using are modified versions of mapnik and
>> tilecache, these are single threaded so we are running 4 process at a
>> time.
>
> If your tiles use the OpenStreetMap / Google style 900913 projection
> then you could consider using mod_tile[1]. This renders and stores each
> block of 8 x 8 PNG map tiles inside a single file on the disk. This
> makes the storage and access much more efficient. It cuts down the
> number of files on the disk by 64 and allows nearby tiles to be read
> from a single file.
>
>        Jon
>
> 1: http://wiki.openstreetmap.org/wiki/Mod_tile

we are using our own data set, not google map or openstreet map. Since
we are using mapnik layer I will surely give a try with this.
>
>
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>

  reply	other threads:[~2009-10-18 12:51 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-17  6:52 optimising filesystem for many small files Viji V Nair
2009-10-17 14:32 ` Eric Sandeen
2009-10-17 17:56   ` Viji V Nair
2009-10-17 22:26     ` Theodore Tso
2009-10-18  9:31       ` Viji V Nair
2009-10-18 11:25         ` Jon Burgess
2009-10-18 12:51           ` Viji V Nair [this message]
2009-10-18 11:41         ` Matija Nalis
2009-10-18 13:08           ` Fwd: " Viji V Nair
2009-10-19  7:23             ` Stephen Samuel (gmail)
2009-10-18 13:14           ` Viji V Nair
2009-10-18 15:07             ` Jon Burgess
2009-10-18 16:29               ` Viji V Nair
2009-10-18 17:15                 ` Jon Burgess
2009-10-18 14:15         ` Peter Grandi
2009-10-18 16:10           ` Viji V Nair
2009-10-18 15:34         ` Eric Sandeen
2009-10-18 16:33           ` Viji V Nair
  -- strict thread matches above, loose matches on Subject: below --
2009-10-17  6:59 Viji V Nair

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