Using this config:
[pack]
threads = 4
deltacachesize = 256M
deltacachelimit = 0
And the 330MB gcc pack for input
git repack -a -d -f --depth=250 --window=250
complete seconds RAM
10% 47 1GB
20% 29 1Gb
30% 24 1Gb
40% 18 1GB
50% 110 1.2GB
60% 85 1.4GB
70% 195 1.5GB
80% 186 2.5GB
90% 489 3.8GB
95% 800 4.8GB
I killed it because it started swapping
The mmaps are only about 400MB in this case.
At the end the git process had 4.4GB of physical RAM allocated.
Starting from a highly compressed pack greatly aggravates the problem.
Starting with a 2GB pack of the same data my process size only grew to
3GB with 2GB of mmaps.
--
Jon Smirl
jonsmirl@xxxxxxxxx
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