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Re: [pcp] Metric name length restriction

To: Paul Smith <psmith@xxxxxxxxxx>
Subject: Re: [pcp] Metric name length restriction
From: Nathan Scott <nathans@xxxxxxxxxx>
Date: Wed, 27 Jan 2016 22:27:26 -0500 (EST)
Cc: pcp@xxxxxxxxxxx
Delivered-to: pcp@xxxxxxxxxxx
In-reply-to: <7EAFE6E6-1A6E-49FA-A331-DAA168E5320E@xxxxxxxxxx>
References: <7EAFE6E6-1A6E-49FA-A331-DAA168E5320E@xxxxxxxxxx>
Reply-to: Nathan Scott <nathans@xxxxxxxxxx>
Thread-index: ovuIXNNNhE5JNKA5KNpyLSDS9v7MxQGP01go
Thread-topic: Metric name length restriction
Hi Paul,

----- Original Message -----
> Parfait currently restricts metric names to 63 characters I think.
> 
> Is that restriction still in place within PCP?  I'd that limit something that
> could be expanded on?
> 

To the best of my knowledge there's no specific limit set in PCP.  There
are limits that will eventually come into play, where PDU sizes become
restricted to sane large values, so that pmcd never has to allocate very
large amounts of memory ... but not specifically to the sizes of metric
names (nor their sub-components).  Likewise for instance names.

cheers.

--
Nathan

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