diff --git a/central/processindicator/datastore/datastore_impl.go b/central/processindicator/datastore/datastore_impl.go
index 887a4294d34d2..6f0623f301cb3 100644
--- a/central/processindicator/datastore/datastore_impl.go
+++ b/central/processindicator/datastore/datastore_impl.go
@@ -98,6 +98,7 @@ func (ds *datastoreImpl) AddProcessIndicators(ctx context.Context, indicators ..
 				return err
 			}
 		} else {
+			recordProcessIndicatorsBatchAdded(identifierBatch)
 			log.Debugf("successfully added a batch of %d process indicators", len(identifierBatch))
 		}
 	}
diff --git a/central/processindicator/datastore/metrics.go b/central/processindicator/datastore/metrics.go
index 601c2ed978273..958b1f178db1a 100644
--- a/central/processindicator/datastore/metrics.go
+++ b/central/processindicator/datastore/metrics.go
@@ -1,7 +1,10 @@
 package datastore
 
 import (
+	"unicode/utf8"
+
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/stackrox/rox/generated/storage"
 	"github.com/stackrox/rox/pkg/metrics"
 )
 
@@ -26,6 +29,21 @@ var (
 		Name:      "process_pruning_cache_misses",
 		Help:      "Number of times we miss the cache, and have to evaluate, when trying to prune processes",
 	})
+
+	processUpsertedArgsSizeHistogram = prometheus.NewHistogram(prometheus.HistogramOpts{
+		Namespace: metrics.PrometheusNamespace,
+		Subsystem: metrics.CentralSubsystem.String(),
+		Name:      "process_upserted_args_size",
+		Help:      "Distribution of process argument sizes in characters for upserted indicators",
+		Buckets:   []float64{0, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536},
+	})
+
+	processUpsertedArgsSizeTotal = prometheus.NewCounterVec(prometheus.CounterOpts{
+		Namespace: metrics.PrometheusNamespace,
+		Subsystem: metrics.CentralSubsystem.String(),
+		Name:      "process_upserted_args_size_total",
+		Help:      "Total process argument sizes in characters by cluster and namespace",
+	}, []string{"cluster", "namespace"})
 )
 
 func incrementPrunedProcessesMetric(num int) {
@@ -40,10 +58,34 @@ func incrementProcessPruningCacheMissesMetric() {
 	processPruningCacheMisses.Inc()
 }
 
+// getProcessArgsSizeChars safely calculates the size of process args in characters (runes).
+// Returns 0 if signal or args are nil/empty.
+func getProcessArgsSizeChars(indicator *storage.ProcessIndicator) int {
+	if indicator == nil || indicator.GetSignal() == nil {
+		return 0
+	}
+	return utf8.RuneCountInString(indicator.GetSignal().GetArgs())
+}
+
+// recordProcessIndicatorsBatchAdded records metrics for a batch of process indicators successfully written to DB.
+func recordProcessIndicatorsBatchAdded(indicators []*storage.ProcessIndicator) {
+	for _, indicator := range indicators {
+		argsSizeChars := getProcessArgsSizeChars(indicator)
+		clusterID := indicator.GetClusterId()
+		namespace := indicator.GetNamespace()
+
+		processUpsertedArgsSizeHistogram.Observe(float64(argsSizeChars))
+
+		processUpsertedArgsSizeTotal.WithLabelValues(clusterID, namespace).Add(float64(argsSizeChars))
+	}
+}
+
 func init() {
 	prometheus.MustRegister(
 		prunedProcesses,
 		processPruningCacheHits,
 		processPruningCacheMisses,
+		processUpsertedArgsSizeHistogram,
+		processUpsertedArgsSizeTotal,
 	)
 }