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auto gc

DISCUSSION Jens Axboe 2 participants 3 messages Jun 15, 2016

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Jens Axboe

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#0 lore raw

Hi,

I've noticed that recent git versions, in a supposedly helpful fashion, run garbage collection automatically after a pull if it deems it necessary:

[...]
Resolving 556 deltas...
100% (556/556) done
Updating 9418d5d..99fee6d
Fast forward
Packing your repository for optimum performance. You may also run "git gc" manually. See "git help gc" for more information. Generating pack...
[...]

This is extremely annoying behaviour! If I'm on battery or just in a bit of a hurry, I defeinitely don't want git second guessing me and deciding that it's time to run git gc.

I'd suggest just printing a hint that running git gc would increase performance, doing it automatically is definitely bad style (even more so when then yet again changed git refs layout even breaks old scripts, when git gc has run).

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Jens Axboe
#1 lore raw

Jens Axboe <[email protected]> wrote:
...

Quoted 5 lines

Packing your repository for optimum performance. You may also run "git gc" manually. See "git help gc" for more information. Generating pack...
[...]

Quoted 8 lines

This is extremely annoying behaviour! If I'm on battery or just in a bit of a hurry, I defeinitely don't want git second guessing me and deciding that it's time to run git gc.

I'd suggest just printing a hint that running git gc would increase performance, doing it automatically is definitely bad style (even more so when then yet again changed git refs layout even breaks old scripts, when git gc has run).

Set the following and it won't run automatically anymore for you:

	git config --global gc.auto 0
	git config --global gc.autopacklimit 0

More recently this message has been changed to:

Packing your repository for optimum performance. You may also run "git gc" manually. See "git help gc" for more information.

The two options noted above are described in the manual for git-gc.

-
Shawn.

author
#2 lore raw
Quoted 16 lines · Shawn O. Pearce

Jens Axboe <[email protected]> wrote:
...

Quoted 5 lines

Packing your repository for optimum performance. You may also run "git gc" manually. See "git help gc" for more information. Generating pack...
[...]

Quoted 8 lines

This is extremely annoying behaviour! If I'm on battery or just in a bit of a hurry, I defeinitely don't want git second guessing me and deciding that it's time to run git gc.

I'd suggest just printing a hint that running git gc would increase performance, doing it automatically is definitely bad style (even more so when then yet again changed git refs layout even breaks old scripts, when git gc has run).

Quoted 4 lines

Set the following and it won't run automatically anymore for you:

	git config --global gc.auto 0
	git config --global gc.autopacklimit 0

OK

Quoted 4 lines

More recently this message has been changed to:

Packing your repository for optimum performance. You may also run "git gc" manually. See "git help gc" for more information.

Great, that's a lot more appropriate in my opinion. I'll just update to a later git.

Thanks!

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Jens Axboe