On 12/05/15 16:51, James E. Blair wrote:
Clark Boylan writes:
>I would expect git gc on zuul merger repos to be safe. git gc only
>cleans up unreachable refs if they are 30 days old by default.
>
However, a big part of the performance impact to zuul-mergers is that
there are so many transien
rom: James E. Blair [cor...@inaugust.com]
Sent: 12 May 2015 15:51
To: Clark Boylan
Cc: openstack-infra@lists.openstack.org
Subject: Re: [OpenStack-Infra] zuul-merger and garbage collection
Clark Boylan writes:
> I would expect git gc on zuul merger repos to be safe. git gc only
> cleans up
Clark Boylan writes:
> I would expect git gc on zuul merger repos to be safe. git gc only
> cleans up unreachable refs if they are 30 days old by default.
However, a big part of the performance impact to zuul-mergers is that
there are so many transient refs that it creates. So there will be som
On Tue, May 12, 2015, at 01:40 AM, Heald, Nicola wrote:
>
> From: Clark Boylan [cboy...@sapwetik.org]
> > One example we have run into with GitPython is that if the repo is
> > repacked (which git can do for you when it decides to) object files may
> > not exist any longer and need to be refound i
From: Clark Boylan [cboy...@sapwetik.org]
> One example we have run into with GitPython is that if the repo is
> repacked (which git can do for you when it decides to) object files may
> not exist any longer and need to be refound in the pack file instead.
> The only way to get GitPython to see th
On Mon, May 11, 2015, at 02:25 AM, Heald, Nicola wrote:
> Hi all,
>
> We've noticed that when repos have been in use for a while by
> zuul-merger, they have a lot of left over objects that slow down git
> operations. Zuul-merger also seems to keep open a bunch of file handles
> to various objects,
Hi all,
We've noticed that when repos have been in use for a while by zuul-merger, they
have a lot of left over objects that slow down git operations. Zuul-merger also
seems to keep open a bunch of file handles to various objects, so running `git
gc` on the repos seems dangerous, if they got de
