On Wed, 26 Nov 2008, W.C.A. Wijngaards wrote:
Implemented in svn trunk that if all the servers are blacklisted, then
99% of queries are stopped. So, very busy domains get polled more
often, without being a hindrance in traffic volume. Quiet domains get
the normal 15 minute timeout.
This works out to a 50% chance of unblacklisting an IP within 67 queries,
80% within 161 queries, 90% within 230 queries, and 95% within 299 queries.
While I applaud the effort, doesn't it seem kind of strange to have the
behavior of the server be non-deterministic?
If you don't want to bloat the infrastructure cache with TTLs for this, how
about a global or per-thread rate-limit instead?
-- Aaron
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