Commit Briefs

Stefan Sperling

fix pack progress object counter for loose objects

Move pack progres object accounting to a single place. This makes it easier to account for the case were only loose objects are packed. A wrong amount of objects was reported before when packing loose ones.

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Stefan Sperling

in pack progress output, remove excluded objects from 'found' objects counter

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Stefan Sperling

fix a bug where 'gotadmin pack' packed too many objects unless -a was used

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Christian Weisgerber

explicitly include <unistd.h> for close(2)

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Stefan Sperling

print additional progress information while packing

ok op@

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Stefan Sperling

cache a list of known pack index files when the repository is opened

Avoids overhead due to readdir calls while searching a pack index. ok op@

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Christian Weisgerber

explicitly include <endian.h> for be32toh()

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Stefan Sperling

fix pack.sh test failure from reuse-deltas patch by tweaking progress output

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Stefan Sperling

reuse existing deltas when creating pack files

tested by thomas, naddy, and myself

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Stefan Sperling

compress delta data from delta_cache directly into pack file

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Stefan Sperling

set a cap on the amount of memory we use to store encoded deltas

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Stefan Sperling

encode short deltas in memory instead of writing them to a temporary file

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Stefan Sperling

map raw object files into memory while packing if possible

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Stefan Sperling

only open raw objects if necessary while writing out pack file data

significantly speeds up the "writing pack: " step of gotadmin pack

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Stefan Sperling

use time-based rate-limiting for gotadmin progress output

Suggested by naddy some time ago. ok tracey

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Stefan Sperling

use up to 128 delta chain elements again; creates smaller packs at same speed

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Stefan Sperling

try only 3 delta base candidates instead of 10 to speed up packing

Tests by kn, thomas_adam and myself made on various repositories indicate that 3 is a good choice. Tyring 10 deltas is much slower and does not result in significantly smaller pack files.

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Stefan Sperling

move encode_delta() in pack_create.c to eliminate a forward declaration

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Stefan Sperling

while packing, store encoded deltas in a temporary file instead of in memory

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Stefan Sperling

limit delta chain length in newly created pack files to 32 deltas

Our former limit was 128 which is fairly high. Git uses 50 by default. A smaller limit results in slightly larger pack files but makes both packing and unpacking faster.

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Stefan Sperling

raw object blocksize and read buffer were unused; remove them

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Stefan Sperling

cache raw objects in order to speed up gotadmin pack

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Stefan Sperling

reuse temporary files which were not used by got_object_raw_open()

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Stefan Sperling

avoid opening delta base objects in genpack() just to find their size

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Stefan Sperling

encode deltas in temporary files to avoid high memory usage

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