From 86dc1ab36cdaf0554fbf11ef9556759bcbdda38c Mon Sep 17 00:00:00 2001
From: Alexandru Gheorghe <49718502+alexggh@users.noreply.github.com>
Date: Mon, 23 Sep 2024 09:10:40 +0300
Subject: [PATCH] bitfield_distribution: Move on blocking pool and use custom
capacity (#5787)
## Description
Details and rationale explained here:
https://github.com/paritytech/polkadot-sdk/issues/5657#issuecomment-2363076080
Fixes: https://github.com/paritytech/polkadot-sdk/issues/5657
---------
Signed-off-by: Alexandru Gheorghe <alexandru.gheorghe@parity.io>
---
polkadot/node/overseer/src/lib.rs | 2 +-
prdoc/pr_5787.prdoc | 13 +++++++++++++
2 files changed, 14 insertions(+), 1 deletion(-)
create mode 100644 prdoc/pr_5787.prdoc
diff --git a/polkadot/node/overseer/src/lib.rs b/polkadot/node/overseer/src/lib.rs
index 26a6a907e32..23adf4f4d8a 100644
--- a/polkadot/node/overseer/src/lib.rs
+++ b/polkadot/node/overseer/src/lib.rs
@@ -521,7 +521,7 @@ pub struct Overseer<SupportsParachains> {
])]
bitfield_signing: BitfieldSigning,
- #[subsystem(BitfieldDistributionMessage, sends: [
+ #[subsystem(blocking, message_capacity: 8192, BitfieldDistributionMessage, sends: [
RuntimeApiMessage,
NetworkBridgeTxMessage,
ProvisionerMessage,
diff --git a/prdoc/pr_5787.prdoc b/prdoc/pr_5787.prdoc
new file mode 100644
index 00000000000..59d4118f190
--- /dev/null
+++ b/prdoc/pr_5787.prdoc
@@ -0,0 +1,13 @@
+title: "Move bitfield_distribution to blocking task pool and set capacity to 8192"
+
+doc:
+ - audience: Node Dev
+ description: |
+ This is moving bitfield_distribution to the blocking task pool because it does cpu
+ intensive work and to make it snappier. Additionally, also increase the message
+ capacity of the subsystem to make sure the queue does not get full if there is a
+ burst of messages.
+
+crates:
+ - name: polkadot-overseer
+ bump: patch
--
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