[distcc] Using distcc from several different localhost

Martin Pool martinpool at gmail.com
Thu Oct 27 01:37:21 GMT 2005

On 26/10/05, Guillon Christophe <guillonc at free.fr> wrote:
> Hi,
> I'm using distcc from my user account and from different hosts at the same
> time (crontab driven nightly builds).
> I use a DISTCC_HOSTS which ressembles "localhost foo bar baz" on host1 (one
> of the "localhost"s)
> and "localhost oof rab zab" on host2 (the other "localhost").
> As my home dir is NFS mounted, it seems that the lock files named
> ~/.distcc/lock/localhost_x
> are in fact shared by the different hosts when concurrent distcc processes
> from host1 an host2.
> This is not dramatic but it has the effect that one of the host (host1) may
> "under use" it's cpu as it believe that it has already some compilations
> launched while in fact they run on the other (host2).
> Moving the DISTCC_DIR to a local area on each host solves the problem but
> then there is no sharing of the workload anymore which could be useful if
> some hosts are shared by the concurent builds.
> I'm wondering if this should be considered as a bug or not.

It could be considered a bug, but maybe not a serious one.  I suggest
you just put DISTCC_DIR onto a local area and rely on the servers to
regulate their own load.


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