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Re: [pcp] Metric name length restriction

To: Nathan Scott <nathans@xxxxxxxxxx>
Subject: Re: [pcp] Metric name length restriction
From: Paul Smith <psmith@xxxxxxxxxx>
Date: Thu, 28 Jan 2016 14:43:46 +1100 (EST)
Cc: pcp@xxxxxxxxxxx
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In-reply-to: <647293496.15259736.1453951646834.JavaMail.zimbra@xxxxxxxxxx>
References: <7EAFE6E6-1A6E-49FA-A331-DAA168E5320E@xxxxxxxxxx> <647293496.15259736.1453951646834.JavaMail.zimbra@xxxxxxxxxx>
Thread-index: ovuIXNNNhE5JNKA5KNpyLSDS9v7MxQGP01go9YjOnsU=
Thread-topic: Metric name length restriction
Nothing in the MMV format restricting it? Trying to work out why Parfait has 
that explicitly limiting it. 

> On 28 Jan 2016, at 14:27, Nathan Scott <nathans@xxxxxxxxxx> wrote:
> 
> 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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