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100x speedup of EdgeWalk.take_step() by caching results of GigaChannelCommunity.guess_address() #7450

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merged 1 commit into from
Jun 1, 2023

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kozlovsky
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@kozlovsky kozlovsky commented May 31, 2023

Fixes #7427.

This PR monkey-patches the Community.guess_address method to add 5-second caching of its results.
It allows to speed up EdgeWalk.take_step() (that sometimes blocks the asyncio loop) by 100 times from 3 seconds to 0.03 seconds.

The next version of IPv8 is expected to include proper caching, so this patch can be removed after upgrading to a version of IPv8 that natively implements caching.

@kozlovsky kozlovsky requested review from a team and xoriole and removed request for a team May 31, 2023 14:13
@xoriole xoriole requested a review from qstokkink May 31, 2023 14:15
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Since I was requested for review, I have one question about this implementation:

If the symptoms of #7427 are only caused by the EdgeWalk being very aggressive and the only affected community is GigaChannelCommunity, why not just overwrite the method in the subclass (GigaChannelCommunity.guess_address) with your fix instead of monkey-patching the entire Community base class? That seems cleaner.

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@qstokkink I reimplemented it as a method of GigaChannelCommunity; it indeed looks cleaner this way

@kozlovsky kozlovsky changed the title 100x speedup of EdgeWalk.take_step() by caching results of Community.get_address() 100x speedup of EdgeWalk.take_step() by caching results of GigaChannelCommunity.guess_address() May 31, 2023
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Nice 🙆‍♂️

@kozlovsky kozlovsky merged commit 9c2a7da into Tribler:release/7.13 Jun 1, 2023
@kozlovsky kozlovsky deleted the fix/netifaces_cache branch June 1, 2023 06:29
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2 participants