[ratelimits] rate limit counters
paul at redbarn.org
Sun Jul 8 16:05:36 UTC 2012
On 7/8/2012 1:14 AM, Vernon Schryver wrote:
> In the current version of the BIND9 rate limit patch, responses
> dropped for rate limiting are counted among "Name Server Statistics"
> as "queries dropped". The `rndc stats` command dumps current
> counters to to a file. If the "statistics-file" option is not used,
> the default is named.stats in the server's current directory.
> See QryDropped in the discussion of "Statistics Counters" in the ARM
> perhaps at
> The QryDropped counter is also incremented for excessive recursive queries
> as described in that section and in
i don't think we should overload this counter to include this new kind
> Responses that are "slipped" or answered with a truncated or TC=1
> result for rate limiting are included in the RespTruncated counter
> with responses that are truncated because they would be too large.
> My question is whater that is that good enough? Must there be
> separate counters for responses dropped or truncated for rate
> limiting? My inclination is to say that it is good enough.
i think we need two new counters, RateDropped and RateSlipped.
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