From 0ac3ee0ca538465684a88f6b987c77f0b2747596 Mon Sep 17 00:00:00 2001
From: Matt Sherman <sherman@cockroachlabs.com>
Date: Wed, 20 Jul 2022 00:06:54 +0000
Subject: [PATCH] Adjust per_changefeed_limit to 128MiB

Default of 1GiB could pressure GC, affecting foreground traffic
---
 pkg/ccl/changefeedccl/changefeedbase/settings.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/ccl/changefeedccl/changefeedbase/settings.go b/pkg/ccl/changefeedccl/changefeedbase/settings.go
index 25b4f98c151c..cdab90ca9545 100644
--- a/pkg/ccl/changefeedccl/changefeedbase/settings.go
+++ b/pkg/ccl/changefeedccl/changefeedbase/settings.go
@@ -47,7 +47,7 @@ var PerChangefeedMemLimit = settings.RegisterByteSizeSetting(
 	settings.TenantWritable,
 	"changefeed.memory.per_changefeed_limit",
 	"controls amount of data that can be buffered per changefeed",
-	1<<30,
+	1<<27, // 128MiB
 )
 
 // SlowSpanLogThreshold controls when we will log slow spans.