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Re: Speed up consecutive operations

From: Matthias Junker <matthias.junker_at_students.unibe.ch>
Date: 2007-10-22 20:12:53 CEST

DAV-neon. Then you think this causes a lot of the slow-down?

the size of the repository varies, but it should be able to deal with
repositories with large amounts of files.

the repository i ran the performance test on was rather small. only
~50-100 files.

as far as i saw, svn_sleep_for_timestamps is only used in checkout,
cleanup, commit, copy, diff, revert, switch and update.
since i only use diff, this might be worth to consider, but the other
commands don't concern me.

Matt

> He may also be running afoul of svn_sleep_for_timestamps. Using the RA
> API would avoid that penalty.
>
> On Mon, 2007-10-22 at 10:42 -0700, Dan Christian wrote:
>
>> What access protocol are you using?
>>
>> DAV-neon is slowest, SVN is fastest, DAV-serf is in between.
>> Encryption slows things down even more.
>>
>> How big are the queries?
>>
>> Large file and directories counts will reduce performance.
>>
>> -Dan C
>>
>> On 10/22/07, Matthias Junker <matthias.junker@students.unibe.ch> wrote:
>>
>>> Hello,
>>>
>>> i'm working on a client for subversion, which builds a model of a
>>> repository in smalltalk. for now i'm just accessing the client api. but
>>> the problem is, that i need to call read only commands like ls,diff,etc
>>> very often in a row. of course i use the same ctx and pool for all these
>>> operations, but they are still very slow (like 1-2s per operation). now
>>> my question: would i have to use the repository access layer directly to
>>> speed up consecutive operations (by using the same session over and over
>>> again?), or is there a way to do this using the client api? Or did i get
>>> it all wrong? i would be really glad for any kind of hint, because i
>>> just started developing with subversion and it's hard for me to estimate
>>> the effort for this.
>>>
>>> Cheers,
>>> Matt
>>>
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Received on Mon Oct 22 20:12:02 2007

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