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network/litep2p: Peerset tracked peers are unbounded #6219

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lexnv opened this issue Oct 24, 2024 · 0 comments
Open

network/litep2p: Peerset tracked peers are unbounded #6219

lexnv opened this issue Oct 24, 2024 · 0 comments
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I2-bug The node fails to follow expected behavior. T0-node This PR/Issue is related to the topic “node”.

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@lexnv
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lexnv commented Oct 24, 2024

The tracked peers of each PeerSet grows in an unbounded manner:

polkadot-sdk/substrate/client/network/src/litep2p/shim/notification/peerset.rs

Line 354 in 1a701c9

peers: HashMap<PeerId, PeerState>,

Related to memory leak:

protocol=OnHeap("/b0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe/block-announces/1"), peers=0

protocol=OnHeap("/b0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe/block-announces/1"), peers=92

protocol=OnHeap("/b0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe/block-announces/1"), peers=191

A similar solution to paritytech/litep2p#268 can be adopted as well

cc @paritytech/networking
@lexnv lexnv added T0-node This PR/Issue is related to the topic “node”. I2-bug The node fails to follow expected behavior. labels Oct 24, 2024
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