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bug#40355: [PATCH] Implement caching for libravatar lookup
From: |
Robert Pluim |
Subject: |
bug#40355: [PATCH] Implement caching for libravatar lookup |
Date: |
Tue, 31 Mar 2020 21:58:49 +0200 |
>>>>> On Tue, 31 Mar 2020 20:03:36 +0200, Philip K <philip@warpmail.net> said:
Philip> Checking if a domain has an avatar server associated with it
requires
Philip> at most two (synchronous) DNS queries, at least to ultimately
default
Philip> to "libravatar.org". Caching the results of domain lookups reduced
the
Philip> evaluation time (on my machine) from ~0.3s to an instantaneous
Philip> evaluation.
I doubt you need the 'cache' arg, you can keep the cache purely
internal.
How big is this cache likely to get? Perhaps use a weak hash table?
Robert