Hyrum K Wright <hyrum.wright_at_wandisco.com> writes:
> On Tue, Jan 3, 2012 at 8:23 AM, Philip Martin
> <philip.martin_at_wandisco.com> wrote:
>> I've been testing this with the old CollabNet Subversion repository, the
>> first 40,515 Subversion revisions, on my Linux laptop:
>> The db/revs directory (unpacked) is 320MB instead of 490MB.
>> Loading takes about 12% more CPU.
>> Dumping takes about 22% more CPU.
>> which matches your results. Packing removes about 85MB for both
>> There are operations where reading the directory representations is more
>> dominant. 'svn log' on a path inside the repository uses 100% more CPU.
> Is that peak CPU or overall? If the I/O overhead went down, I'd
> expect the peak CPU usage to go up, but the overall operation time to
That's overall CPU used, so the runtime for 'svn log' doubles when the
repository is in RAM.
uberSVN: Apache Subversion Made Easy
Received on 2012-01-04 10:18:12 CET