Merge remote-tracking branch 'origin/wal_serialization' into wal_seri…

…alization

internal/component/prometheus/remote/queue/serialization/serializer.go

@@ -13,7 +13,7 @@ import (
 )
 
 // serializer collects data from multiple appenders in-memory and will periodically flush the data to file.Storage.
-// serializer will trigger based on the last flush duration OR if it hits a certain amount of items.
+// serializer will flush based on configured time duration OR if it hits a certain number of items.
 type serializer struct {
 	inbox               actor.Mailbox[*types.TimeSeriesBinary]
 	metaInbox           actor.Mailbox[*types.TimeSeriesBinary]

internal/component/prometheus/remote/queue/types/serialization.go

@@ -21,7 +21,7 @@ type SeriesGroup struct {
 }
 
 type TimeSeriesBinary struct {
-	// Labels are not serialized to msgp but are passed in.
+	// Labels are not serialized to msgp, instead we store separately a dictionary of strings and use `LabelNames` and `LabelValues` to refer to the dictionary by ID.
 	Labels       labels.Labels `msg:"-"`
 	LabelsNames  []uint32
 	LabelsValues []uint32