r311: Cherry-pick memberlist debounce PR from dskit (#9715)

* Set dskit to v0.0.0-20241022223531-b743e70423b6

* Refresh docs.

* Replace 'replace' with ref bump.

cmd/mimir/config-descriptor.json

@@ -16010,6 +16010,17 @@
           "fieldType": "boolean",
           "fieldCategory": "advanced"
         },
+        {
+          "kind": "field",
+          "name": "notify_interval",
+          "required": false,
+          "desc": "How frequently to notify watchers when a key changes. Can reduce CPU activity in large memberlist deployments. 0 to notify without delay.",
+          "fieldValue": null,
+          "fieldDefaultValue": 0,
+          "fieldFlag": "memberlist.notify-interval",
+          "fieldType": "duration",
+          "fieldCategory": "advanced"
+        },
         {
           "kind": "field",
           "name": "advertise_addr",

cmd/mimir/help-all.txt.tmpl

@@ -1743,6 +1743,8 @@ Usage of ./cmd/mimir/mimir:
     	Min backoff duration to join other cluster members. (default 1s)
   -memberlist.nodename string
     	Name of the node in memberlist cluster. Defaults to hostname.
+  -memberlist.notify-interval duration
+    	How frequently to notify watchers when a key changes. Can reduce CPU activity in large memberlist deployments. 0 to notify without delay.
   -memberlist.packet-dial-timeout duration
     	Timeout used when connecting to other nodes to send packet. (default 2s)
   -memberlist.packet-write-timeout duration

docs/sources/mimir/configure/configuration-parameters/index.md

@@ -2959,6 +2959,11 @@ The `memberlist` block configures the Gossip memberlist.
 # CLI flag: -memberlist.compression-enabled
 [compression_enabled: <boolean> | default = true]
 
+# (advanced) How frequently to notify watchers when a key changes. Can reduce
+# CPU activity in large memberlist deployments. 0 to notify without delay.
+# CLI flag: -memberlist.notify-interval
+[notify_interval: <duration> | default = 0s]
+
 # Gossip address to advertise to other members in the cluster. Used for NAT
 # traversal.
 # CLI flag: -memberlist.advertise-addr

go.mod

@@ -22,7 +22,7 @@ require (
 	github.com/golang/snappy v0.0.4
 	github.com/google/gopacket v1.1.19
 	github.com/gorilla/mux v1.8.1
-	github.com/grafana/dskit v0.0.0-20240925193654-7c41a4057319
+	github.com/grafana/dskit v0.0.0-20241022223531-b743e70423b6
 	github.com/grafana/e2e v0.1.2-0.20240118170847-db90b84177fc
 	github.com/hashicorp/golang-lru v1.0.2 // indirect
 	github.com/json-iterator/go v1.1.12

go.sum

@@ -1252,8 +1252,8 @@ github.com/grafana-tools/sdk v0.0.0-20220919052116-6562121319fc h1:PXZQA2WCxe85T
 github.com/grafana-tools/sdk v0.0.0-20220919052116-6562121319fc/go.mod h1:AHHlOEv1+GGQ3ktHMlhuTUwo3zljV3QJbC0+8o2kn+4=
 github.com/grafana/alerting v0.0.0-20240926144415-27f4e81b4b6b h1:UO4mv94pG1kzKCgBKh20TXdACBCAK2vYjV3Q2MlcpEQ=
 github.com/grafana/alerting v0.0.0-20240926144415-27f4e81b4b6b/go.mod h1:GMLi6d09Xqo96fCVUjNk//rcjP5NKEdjOzfWIffD5r4=
-github.com/grafana/dskit v0.0.0-20240925193654-7c41a4057319 h1:KACpOOTqA4WqyyKF2fFPQFiaSOpZdOT5f5gg0qkPLiU=
-github.com/grafana/dskit v0.0.0-20240925193654-7c41a4057319/go.mod h1:SPLNCARd4xdjCkue0O6hvuoveuS1dGJjDnfxYe405YQ=
+github.com/grafana/dskit v0.0.0-20241022223531-b743e70423b6 h1:p/P6COoqDjSA92GIKypU8BGd/6YIV+tEyLd/hhwbkbA=
+github.com/grafana/dskit v0.0.0-20241022223531-b743e70423b6/go.mod h1:SPLNCARd4xdjCkue0O6hvuoveuS1dGJjDnfxYe405YQ=
 github.com/grafana/e2e v0.1.2-0.20240118170847-db90b84177fc h1:BW+LjKJDz0So5LI8UZfW5neWeKpSkWqhmGjQFzcFfLM=
 github.com/grafana/e2e v0.1.2-0.20240118170847-db90b84177fc/go.mod h1:JVmqPBe8A/pZWwRoJW5ZjyALeY5OXMzPl7LrVXOdZAI=
 github.com/grafana/goautoneg v0.0.0-20240607115440-f335c04c58ce h1:WI1olbgS+sEl77qxEYbmt9TgRUz7iLqmjh8lYPpGlKQ=