Pavel Strakhov 65227f44dc Optimize RPC pubsub for multiple clients with the same subscription (#18943) ... * reimplement rpc pubsub with a broadcast queue * update tests for new pubsub implementation * fix: fix review suggestions * chore(rpc): add additional pubsub metrics * integrate max subscriptions check into SubscriptionTracker to reduce locking * separate subscription control from tracker * limit memory usage of items in pubsub broadcast queue, improve error handling * add more pubsub metrics * add final count metrics to pubsub * add metric for total number of subscriptions * fix small review suggestions * remove by_params from SubscriptionTracker and add node_progress_watchers map instead * add subscription tracker tests * add metrics for number of pubsub notifications as a counter * ignore clippy lint in TokenCounter * fix underflow in token counter * reduce queue capacity in pubsub tests * fix(rpc): fix test timeouts * fix race in account subscription test * Add RpcSubscriptions::new_for_tests Co-authored-by: Pavel Strakhov <p.strakhov@iconic.vc> Co-authored-by: Nikita Podoliako <n.podoliako@zubr.io> Co-authored-by: Tyera Eulberg <tyera@solana.com>		2021-09-17 13:40:14 -06:00
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src	Optimize RPC pubsub for multiple clients with the same subscription (#18943)	2021-09-17 13:40:14 -06:00
Cargo.toml	chore: bump serde_json from 1.0.67 to 1.0.68 (#19942)	2021-09-16 20:23:25 +00:00