Re: Shared ccache directory between docker containers

Ragnar Rova <[email protected]> Sat, 6 Feb 2016 20:10:42 +0100

Newsgroups	gmane.comp.compilers.ccache
Message-ID	<CAOkV6uNj-t6iQpUsOKhV4zZZ+L5F5tgBbKTrqvQYzT4M7VKKbA@mail.gmail.com>

Thanks, i'll try upgrading although I made sure hostname is unique now.
Whats the mechanism for uniqueness in 3.2?

On Sat, Feb 6, 2016 at 5:27 PM, Joel Rosdahl <[email protected]> wrote:

> Hi,
>
> On 5 February 2016 at 12:05, Ragnar Rova <[email protected]> wrote:
>
> Is it safe to share the ccache directory between docker containers wrt
>> to locking?
>
>
> I think so.
>
> ccache version 3.1.10
>> ccache: FATAL: Failed to open
>> /var/tmp/docker-build-ccache/tmp/tmp.cpp_stderr.docker-host.21810: No such
>> file or directory
>
>
> Yes, ccache 3.1.* and earlier rely on the tuple <hostname, pid> being
> unique when creating temporary files. This has been fixed in the ccache 3.2
> series, so try upgrading if possible.
>
> -- Joel
>