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Scalability & Performance charts

From: Brandon Ehle <azverkan_at_yahoo.com>
Date: 2003-10-14 21:13:36 CEST

I re-ran my old scalablity & performance charting scripts on subversion with rev 7404 and here's
the results I got. These charts are pretty noisy and subversion is a lot faster than a year ago
when I last ran these charts so I probably need to increase the dataset sizes to look for current
scalability issues. Take these results with a grain of salt until I can get some verification
done on the results.

These were done on a AMD 1.5GHZ box running RedHat 9 Kernel 2.6-test7.

The time charts are here:

The full results including memory footprint (RSS) are here:

I'm going to re-visit my perf analysis over the next two weeks to see where subversion is at
nowadays. I plan on fixing my ra_dav scripts and adding a couple comparisons to these charts. If
there is anything you'd like to see me add to my comparisons, let me know.

I'm currently interested in investigating:
* scalability charts of property queries, gets, and sets
* changing the apples vs oranges Perforce comparisons to apples vs apples comparisons
* Linux24 vs Linux26 vs Win2K on the same machine
* ra_dav with mpm-worker vs mpm-prefork
* hard drive write cache enabled vs disabled
* repository hosted on Ext2 vs Ext3 vs Reiser4 vs JFS vs XFS vs FAT32
* WC hosted on Ext2 vs Ext3 vs Reiser4 vs JFS vs XFS vs FAT32

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Received on Tue Oct 14 21:15:23 2003

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