From bc884730304beea9ccfddcc72a9cd8d22743f374 Mon Sep 17 00:00:00 2001 From: Pankaj Garg Date: Mon, 24 Sep 2018 13:02:56 -0700 Subject: [PATCH] Increase wmem for kernel network memory usage (#1323) - Validators were running out of kernel buffer while retransmitting blobs --- multinode-demo/common.sh | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/multinode-demo/common.sh b/multinode-demo/common.sh index ea094e841..af90f01c6 100644 --- a/multinode-demo/common.sh +++ b/multinode-demo/common.sh @@ -108,6 +108,12 @@ tune_networking() { sysctl net.core.rmem_default 2>/dev/null 1>/dev/null && sudo sysctl -w net.core.rmem_default=26214400 1>/dev/null 2>/dev/null + + sysctl net.core.wmem_max 2>/dev/null 1>/dev/null && + sudo sysctl -w net.core.wmem_max=67108864 1>/dev/null 2>/dev/null + + sysctl net.core.wmem_default 2>/dev/null 1>/dev/null && + sudo sysctl -w net.core.wmem_default=26214400 1>/dev/null 2>/dev/null ) || true fi