bitcoin/doc/release-notes-34628.md

P2P and network changes

• To reduce memory and CPU usage during periods of high transaction volume, rate-limiting of outgoing transaction relay has been changed to use a global backlog instead of being done on a per-peer basis. The default rate-limit remains as 14 tx/s (boosted by 2.5x for outbound peers), though this can be changed via the -txsendrate configuration option. An additional bandwidth rate-limit has also been introduced at 12MB of transactions per 10 minutes, with a high burst rate. The size of the global backlog and the token bucket values for the rate limits can be queried via the getnetworkinfo RPC. (#34628)