mmaprototype: move storeLoadSummary to its own file

Author: tbg

pkg/kv/kvserver/allocator/mmaprototype/BUILD.bazel

@@ -13,6 +13,7 @@ go_library(
         "memo_helper.go",
         "messages.go",
         "rebalance_advisor.go",
+        "store_load_summary.go",
         "store_set.go",
         "top_k_replicas.go",
     ],

pkg/kv/kvserver/allocator/mmaprototype/load.go

@@ -191,29 +191,6 @@ type meanNodeLoad struct {
 	utilCPU     float64
 }
 
-type storeLoadSummary struct {
-	worstDim                                               LoadDimension // for logging only
-	sls                                                    loadSummary
-	nls                                                    loadSummary
-	dimSummary                                             [NumLoadDimensions]loadSummary
-	highDiskSpaceUtilization                               bool
-	maxFractionPendingIncrease, maxFractionPendingDecrease float64
-
-	loadSeqNum uint64
-}
-
-func (sls storeLoadSummary) String() string {
-	return redact.StringWithoutMarkers(sls)
-}
-
-func (sls storeLoadSummary) SafeFormat(w redact.SafePrinter, _ rune) {
-	w.Printf("(store=%v worst=%v cpu=%v writes=%v bytes=%v node=%v high_disk=%v frac_pending=%.2f,%.2f(%t))",
-		sls.sls, sls.worstDim, sls.dimSummary[CPURate], sls.dimSummary[WriteBandwidth], sls.dimSummary[ByteSize],
-		sls.nls, sls.highDiskSpaceUtilization, sls.maxFractionPendingIncrease,
-		sls.maxFractionPendingDecrease,
-		sls.maxFractionPendingIncrease < epsilon && sls.maxFractionPendingDecrease < epsilon)
-}
-
 // The allocator often needs mean load information for a set of stores. This
 // set is implied by a constraintsDisj. We also want to know the set of stores
 // that satisfy that contraintsDisj. meansForStoreSet encapsulates all of this

pkg/kv/kvserver/allocator/mmaprototype/store_load_summary.go

@@ -0,0 +1,31 @@
+// Copyright 2025 The Cockroach Authors.
+//
+// Use of this software is governed by the CockroachDB Software License
+// included in the /LICENSE file.
+
+package mmaprototype
+
+import "github.com/cockroachdb/redact"
+
+type storeLoadSummary struct {
+	worstDim                                               LoadDimension // for logging only
+	sls                                                    loadSummary
+	nls                                                    loadSummary
+	dimSummary                                             [NumLoadDimensions]loadSummary
+	highDiskSpaceUtilization                               bool
+	maxFractionPendingIncrease, maxFractionPendingDecrease float64
+
+	loadSeqNum uint64
+}
+
+func (sls storeLoadSummary) String() string {
+	return redact.StringWithoutMarkers(sls)
+}
+
+func (sls storeLoadSummary) SafeFormat(w redact.SafePrinter, _ rune) {
+	w.Printf("(store=%v worst=%v cpu=%v writes=%v bytes=%v node=%v high_disk=%v frac_pending=%.2f,%.2f(%t))",
+		sls.sls, sls.worstDim, sls.dimSummary[CPURate], sls.dimSummary[WriteBandwidth], sls.dimSummary[ByteSize],
+		sls.nls, sls.highDiskSpaceUtilization, sls.maxFractionPendingIncrease,
+		sls.maxFractionPendingDecrease,
+		sls.maxFractionPendingIncrease < epsilon && sls.maxFractionPendingDecrease < epsilon)
+}