Merge #84686

84686: Adjust per_changefeed_limit to 128MiB r=shermanCRL a=shermanCRL Adjust changefeed.memory.per_changefeed_limit to 128MiB. Default of 1GiB could pressure GC, causing GC assist, affecting foreground traffic. Informs #84582 Release Notes (enterprise change): Reduce foreground latency impact when performing changefeed backfills. Co-authored-by: Matt Sherman <[email protected]>
cockroachdb · Jul 20, 2022 · 96171e0 · 96171e0
2 parents b77d49e + ea7d6fb
commit 96171e0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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.