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Re: Subversion's use of Berkeley DB [#11511]

From: Branko ─îibej <brane_at_xbc.nu>
Date: 2004-12-10 04:13:01 CET

Philip Martin wrote:

>Philip Martin <philip@codematters.co.uk> writes:
>
>
>
>>Should be simple to implement, but I don't know what sort of
>>performance effect it would have. Do we really want to run recovery
>>that often?
>>
>>
>
>A quick 'n' dirty implementation
>
>Index: subversion/libsvn_repos/repos.c
>===================================================================
>--- subversion/libsvn_repos/repos.c (revision 12263)
>+++ subversion/libsvn_repos/repos.c (working copy)
>@@ -1075,6 +1075,9 @@
> const char *lockfile_path;
> svn_error_t *err;
>
>+ if (! exclusive)
>+ SVN_ERR (svn_repos_recover2 (path, TRUE, NULL, NULL, pool));
>+
> /* Get a filehandle for the repository's db lockfile. */
> lockfile_path = svn_repos_db_lockfile (repos, pool);
>
>
>$ time for i in `seq 1 30`;do svn st -u wc > /dev/null;done
>
>Without patch:
>real 0m15.294s
>user 0m2.450s
>sys 0m0.620s
>
>With patch:
>real 0m24.186s
>user 0m3.620s
>sys 0m1.480s
>
>
Yes, we definitely don't want to recover every time...

-- Brane

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Received on Fri Dec 10 04:13:29 2004

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