[cvsnt] Can History-File cause Performance issues?

Flávio Etrusco flavio.etrusco at gmail.com
Tue Sep 5 22:20:21 BST 2006

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Since no one directly commented on the problem, and Tony didn't
comment, I'll add my not-totally-informed comments ;-)

On 8/31/06, Johannes Kilian <Jo.Kilian at gmx.de> wrote:
> Hi there,
> running an 2.0.41 CVSNT Server I have serious performance problems.
> I wonder whether a big "History"-file might be the reason?

I believe the history file should be only appended, so it's size
shouldn't have any impact on performance.

> We have set up several repositories on the same server - and the hugest history file is about 23MB (the history files in the other repositories are much smaller (approx. 2-3MB each).)
> Now my questions:
> 1.) Can a history file of 23MB cause performance problems within the repository it belongs to?

23MB seems a reasonable small file by any standards, so my guess would
be "no, there must be another reason".

> 2.) If there are several repositories on the same server: Can a huge history file in one repository influence the performance in the other repository?

Not either.

> 3.) How can I "clean up" a history file? Which information will be lost, when
> renaming the current history file and start a new, empty one?

Only information which you get by the 'cvs history' command, which is
not usually very useful...

BTW, may I ask what for are you using 'cvs history'?


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