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Re: TSVN treating repo connections as free greatly reduces the responsiveness of svn+ssh protocol

From: Simon Large <simon.tortoisesvn_at_gmail.com>
Date: Tue, 29 Sep 2015 14:19:04 +0100

On 28 September 2015 at 22:02, Ryan Rutledge <ryandrutledge_at_gmail.com> wrote:
> On Sep 28, 2015 12:26 PM, "Stefan K√ľng" <tortoisesvn_at_gmail.com> wrote:
>>
>> On 26.09.2015 20:48, Ryan Rutledge wrote:
>> > TLDR: TSVN over svn+ssh protocol uses multiple connections in
>> > succession, opening and closing each one in various steps. A simply repo
>> > browse operation typically uses about 6 discrete sessions, rather than
>> > establishing a single session and using that. This causes a long delay
>> > for nearly any operation in TSVN when it takes a second to authenticate
>> > the SSH key, which happens multiple times for every operation. Can TSVN
>> > be made to reuse a single session (within some short time frame)
>> > instead?
>>
>> TSVN does not use ssh itself but fully relies on the svn library for
>> that. Which means you have to ask on the svn users list for help with
>> this.
>>
>> Stefan
>
> Respectfully, this doesn't seem to be correct. Based on the TSVN docs
> appendix E, "Command Line Interface Cross Reference", a repo browse
> operation first find the URL of the working copy selected, then does "svn
> list -v URL". To test, I ran this command from the command line, with the
> URL indicated. The result was a single SSH session in auth.log. Doing
> ostensibly the same operation through the TSVN GUI resulted in over 15
> sessions! Further, the command line version returns is output in approx 3
> seconds, while the TSVN GUI takes approx 26 seconds to display the contents.
> This leads me to suspect a bug since these two outcomes are so drastically
> different, per the guidance in
> http://tortoisesvn.net/docs/nightly/TortoiseSVN_en/tsvn-cli.html
>
> Ryan R.

Try TSVN->Settings->Dialogs3
Uncheck Pre-fetch folders for faster browsing, otherwise a request is
sent for each of the sub-folders.

Simon

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Received on 2015-09-29 15:19:31 CEST

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