"clients-per-query" vs "max-clients-per-query"

Jorge Fábregas jorge.fabregas at gmail.com
Sat Jun 7 16:58:05 UTC 2014


On 06/07/2014 12:36 PM, Evan Hunt wrote:
> Over time, as it runs, named tries to self-tune the clients-per-query
> value.
> 
> If you set clients-per-query to 10 and max-clients-per-query to 100
> (i.e., the default values), that means that the initial limit will be
> 10, but if we ever actually hit the limit and drop a query, we try
> adjusting the limit up to 15, then 20, and so on, until we can keep
> up with the queries *or* until we reach 100.
> 
> Once we get to a point where we're not spilling queries anymore, we
> start experimentally adjusting the limit back downward -- reducing it
> by 1 every 20 minutes, if I recall correctly.
> 
> If clients-per-query is 0, that means we don't have a clients-per-query
> limit at all.  If max-clients-per-query is 0, that means there's no upper
> bound on clients-per-query and it can grow as big as it needs to.

Ah. Eureka!

Thank you very much Evan.  That was wonderful !  I finally got it :)

Thanks, very much appreciated!

All the best,
Jorge


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