DISTCC_POTENTIAL_HOSTS, localhost, and slots

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DISTCC_POTENTIAL_HOSTS seems like a great idea; as I scale up the build
farm I=E2=80=99d like to be able to deal with unavailability, but I=E2=80=
=99m having
trouble getting it to work right.

First, after much fooling around I surmise two undocumented facts(?)

1. it adds ,lzo,cpp to all the hosts implicitly
2. it only accepts bare host names, not the usual
@?hostname/<slots>(,<extension>)* syntax

Is that correct?  If so, it would be good if these things were documented
explicitly somewhere.

Also, if I want localhost to be one of the hosts, it looks like I need to
run distccd there.  That doesn=E2=80=99t seem like the most efficient thing=
 to do,
since normal local compilation will presumably have fewer layers to work
through.  Am I mistaken?

Lastly, I=E2=80=99ve only been able to get it to run the default 6 (?) slot=
s per
host using DISTCC_POTENTIAL_HOSTS.  My .distcc/hosts file looks like this,
and has been working pretty well:

--randomize
localhost/10
bruford/10,lzo,cpp
fripp/10,lzo,cpp


Is there any way to get an effect like that using DISTCC_POTENTIAL_HOSTS,
i.e. 10 slots per host, no local distccd?

Thanks!

--=20
Dave Abrahams

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<div dir=3D"ltr">DISTCC_POTENTIAL_HOSTS seems like a great idea; as I scale=
 up the build farm I=E2=80=99d like to be able to deal with unavailability,=
 but I=E2=80=99m having trouble getting it to work right.<div><br></div><di=
v>First, after much fooling around I surmise two undocumented facts(?)</div=
>

<div><br></div><div>1. it adds ,lzo,cpp to all the hosts implicitly<br clea=
r=3D"all"><div>2. it only accepts bare host names, not the usual @?hostname=
/&lt;slots&gt;(,&lt;extension&gt;)* syntax</div><div><br></div><div>Is that=
 correct? =C2=A0If so, it would be good if these things were documented exp=
licitly somewhere.</div>

<div><br></div><div>Also, if I want localhost to be one of the hosts, it lo=
oks like I need to run distccd there. =C2=A0That doesn=E2=80=99t seem like =
the most efficient thing to do, since normal local compilation will presuma=
bly have fewer layers to work through. =C2=A0Am I mistaken?</div>

<div><br></div><div>Lastly, I=E2=80=99ve only been able to get it to run th=
e default 6 (?) slots per host using DISTCC_POTENTIAL_HOSTS. =C2=A0My .dist=
cc/hosts file looks like this, and has been working pretty well:</div><div>=
<br></div>

</div><blockquote style=3D"margin:0px 0px 0px 40px;border:none;padding:0px"=
><div><div>--randomize</div></div><div><div>localhost/10</div></div><div><d=
iv>bruford/10,lzo,cpp</div></div><div><div>fripp/10,lzo,cpp</div></div></bl=
ockquote>

<div><div>=C2=A0</div><div>Is there any way to get an effect like that usin=
g DISTCC_POTENTIAL_HOSTS, i.e. 10 slots per host, no local distccd? =C2=A0<=
/div><div><br></div><div>Thanks!</div><div><br></div>-- <br><div dir=3D"ltr=
">Dave Abrahams<br>

<br></div>
</div></div>

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