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runtime-api: remove internal queue to make ToFs relevant again (#5545)

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* Make back pressure great again

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* Test commit - parallel  vs caching

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* Increase concurrency

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* Fixups

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* fix comment

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* update todo issue

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* another doc change

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* More comments

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>
This commit is contained in:
Andrei Sandu
2022-05-18 15:56:03 +03:00
committed by GitHub
parent 195b901cc9
commit 0ce850f959
2 changed files with 36 additions and 35 deletions
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polkadot/node/core/runtime-api/src/tests.rs
+14 -5
View File
@@ -17,7 +17,6 @@
use super::*;
use ::test_helpers::{dummy_committed_candidate_receipt, dummy_validation_code};
use futures::channel::oneshot;
use polkadot_node_primitives::{BabeAllowedSlots, BabeEpoch, BabeEpochConfiguration};
use polkadot_node_subsystem_test_helpers::make_subsystem_context;
use polkadot_primitives::v2::{
@@ -847,8 +846,7 @@ fn multiple_requests_in_parallel_are_working() {
let lock = mutex.lock().unwrap();
let mut receivers = Vec::new();
for _ in 0..MAX_PARALLEL_REQUESTS * 10 {
for _ in 0..MAX_PARALLEL_REQUESTS {
let (tx, rx) = oneshot::channel();
ctx_handle
@@ -856,14 +854,25 @@ fn multiple_requests_in_parallel_are_working() {
msg: RuntimeApiMessage::Request(relay_parent, Request::AvailabilityCores(tx)),
})
.await;
receivers.push(rx);
}
// The backpressure from reaching `MAX_PARALLEL_REQUESTS` will make the test block, we need to drop the lock.
drop(lock);
for _ in 0..MAX_PARALLEL_REQUESTS * 100 {
let (tx, rx) = oneshot::channel();
ctx_handle
.send(FromOverseer::Communication {
msg: RuntimeApiMessage::Request(relay_parent, Request::AvailabilityCores(tx)),
})
.await;
receivers.push(rx);
}
let join = future::join_all(receivers);
drop(lock);
join.await
.into_iter()
.for_each(|r| assert_eq!(r.unwrap().unwrap(), runtime_api.availability_cores));