IDONTWANT message optimisation to cutoff for smaller messages #6456

hopinheimer · 2024-10-02T18:03:24Z

addresses #6437

AgeManning

Nice, thanks for the help.

beacon_node/lighthouse_network/gossipsub/src/behaviour.rs

AgeManning · 2024-10-03T01:06:33Z

beacon_node/lighthouse_network/gossipsub/src/config.rs

+    // traffic and CPU load. This acts as a lower bound cutoff for the message size to which 
+    // IDONTWANT won't be sent to peers. Only works if the peers support Gossipsub1.3 
+    // (see https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.2.md#idontwant-message)
+    // default is 1kb


Might be worth mentioning that the unit for the usize value is bytes.

I always mess this up. resolved!

jxs

Thanks! You need to cargo fmt to pass the check code CI job. The tests also need to be updated, and we should probably add another test for this case, i.e. to not send IDONTWANT when the size is inferior to the limit

jxs · 2024-10-04T14:17:46Z

beacon_node/lighthouse_network/gossipsub/src/behaviour.rs

@@ -2699,6 +2701,10 @@ where
            return;
        };

+        if message.raw_protobuf_len() < self.config.idontwant_message_size_threshold(){


can we move this check to line 1833? So that it's explicit that we are only calling send_idontwant if the message size is inferior to the threshold instead of having the function decide that.

also the the logic was a little off. I have changed it and written passing test for the same

beacon_node/lighthouse_network/gossipsub/src/config.rs

hopinheimer · 2024-10-08T05:46:03Z

waiting on #6436 to build the cli docs. I use a mac

pawanjay176 · 2024-10-10T19:21:55Z

beacon_node/lighthouse_network/src/config.rs

@@ -352,6 +356,7 @@ impl Default for Config {
            outbound_rate_limiter_config: None,
            invalid_block_storage: None,
            inbound_rate_limiter_config: None,
+            idontwant_message_size_threshold: 1000,


It'd be good to extract the default value into a IDONTWANT_MESSAGE_SIZE_THRESHOLD const value.

sounds reasonable. made the requested changes

target_peers few line above also seems to have inline declaration should I extract it too?

jxs

LGTM! cc @AgeManning if you wanna take a final look

AgeManning · 2024-10-14T22:22:29Z

aha, i was trying to fix the CI, but getting merge conflicts. You beat me to it. :). Thanks

hopinheimer · 2024-10-14T23:11:22Z

haha, Imma ss this!

AgeManning · 2024-10-15T00:54:58Z

@Mergifyio queue

mergify · 2024-10-15T00:55:13Z

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jxs · 2024-10-16T23:35:05Z

@Mergifyio queue

mergify · 2024-10-16T23:35:15Z

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michaelsproul · 2024-10-17T03:54:18Z

@mergify dequeue

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michaelsproul · 2024-10-17T03:54:33Z

some stuff got stuck, so just removing this from the queue for now

michaelsproul · 2024-10-17T05:13:10Z

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mergify · 2024-10-17T05:13:53Z

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michaelsproul · 2024-10-17T07:48:21Z

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mergify · 2024-10-17T07:48:40Z

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The pull request has been merged automatically at 606a113

) * idontwant message opitmising * requested changes and linter appeasing * added the config cli flag * Merge branch 'unstable' into fix/idontwant-optimise * cli docs generated * const declaration * Hide extra technical cli flag * passing ci * Merge branch 'unstable' into fix/idontwant-optimise

idontwant message opitmising

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hopinheimer changed the title ~~idontwant message optimisation~~ IDONTWANT message optimisation to cutoff for smaller messages Oct 2, 2024

jimmygchen requested review from AgeManning and jxs and removed request for AgeManning October 3, 2024 01:03

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requested changes and linter appeasing

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beacon_node/lighthouse_network/gossipsub/src/config.rs Outdated Show resolved Hide resolved

added the config cli flag

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hopinheimer added 2 commits October 10, 2024 08:31

Merge branch 'unstable' into fix/idontwant-optimise

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cli docs generated

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const declaration

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hopinheimer requested a review from pawanjay176 October 11, 2024 00:43

jxs approved these changes Oct 12, 2024

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Hide extra technical cli flag

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passing ci

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merge queue: embarking unstable (2e440df) and #6456 together #6487

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Possible upgrade to lighthouse's IDONTWANT GossipSub implementation #6437

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IDONTWANT message optimisation to cutoff for smaller messages #6456

IDONTWANT message optimisation to cutoff for smaller messages #6456

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IDONTWANT message optimisation to cutoff for smaller messages #6456

IDONTWANT message optimisation to cutoff for smaller messages #6456

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