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Document that prefeteches are exempt from select quotas
Add notes to the 'fetches-per-zone' and 'fetches-per-server' clauses
documentation to document that prefetches are exempted.
(cherry picked from commit ad329ddcaa
)
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Arаm Sаrgsyаn
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e464005903
@@ -3842,6 +3842,11 @@ system.
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is sent to that domain, it is recreated with the counters set
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to zero.)
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.. note::
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Fetches generated automatically in the result of :any:`prefetch` are
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exempt from this quota.
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.. namedconf:statement:: fetches-per-server
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:tags: server, query
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:short: Sets the maximum number of simultaneous iterative queries allowed to be sent by a server to an upstream name server before the server blocks additional queries.
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@@ -3873,6 +3878,11 @@ system.
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increased. The :any:`fetch-quota-params` options can be used to adjust
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the parameters for this calculation.
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.. note::
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Fetches generated automatically in the result of :any:`prefetch` are
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exempt from this quota, but they are included in the quota calculations.
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.. namedconf:statement:: fetch-quota-params
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:tags: server, query
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:short: Sets the parameters for dynamic resizing of the :any:`fetches-per-server` quota in response to detected congestion.
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