hoo added a comment.

T178247: Use a retrieve only CachingEntityRevisionLookup for dumps should give us another few percent, as it makes loading and unserializing entities up to 15% faster. I haven't specifically tested that in the context of the dumps, but based on old profiling data, this should give us up to about 8-9% speedup for dumps (as getEntity takes 58-60% of the dump time and we made it up to 15% faster).


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https://phabricator.wikimedia.org/T177486

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