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Spawn the network worker with spawn_blocking (#5909)

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* Spawn the network worker with spawn_blocking

* Some comment adjustments

* Fix shutdown not working
This commit is contained in:
Pierre Krieger
2020-05-12 17:12:32 +02:00
committed by GitHub
parent b4b1293c78
commit 9220bdf361
2 changed files with 17 additions and 6 deletions
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substrate/client/service/src/builder.rs
+8 -1
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@@ -1161,7 +1161,14 @@ ServiceBuilder<
// This is used internally, so don't restrict access to unsafe RPC
let rpc_handlers = gen_handler(sc_rpc::DenyUnsafe::No);
spawn_handle.spawn(
// The network worker is responsible for gathering all network messages and processing
// them. This is quite a heavy task, and at the time of the writing of this comment it
// frequently happens that this future takes several seconds or in some situations
// even more than a minute until it has processed its entire queue. This is clearly an
// issue, and ideally we would like to fix the network future to take as little time as
// possible, but we also take the extra harm-prevention measure to execute the networking
// future using `spawn_blocking`.
spawn_handle.spawn_blocking(
"network-worker",
build_network_future(
config.role.clone(),