diff --git a/pebble.go b/pebble.go
index ca55d00..4ee2cf8 100644
--- a/pebble.go
+++ b/pebble.go
@@ -21,6 +21,7 @@ type PebbleDB struct {
 }
 
 var _ DB = (*PebbleDB)(nil)
+const flushThreshold = 3_500_000_000 // ~3.5 GB
 
 func NewPebbleDB(name string, dir string) (*PebbleDB, error) {
 	opts := &pebble.Options{}
@@ -250,6 +251,14 @@ func (b *pebbleDBBatch) Set(key, value []byte) error {
 		return errBatchClosed
 	}
 
+	// Prevent Pebble batch from exceeding 4 GB hard limit
+	if b.batch.Len() > flushThreshold {
+		if err := b.batch.Commit(pebble.Sync); err != nil {
+			return err
+		}
+		b.batch.Reset()
+	}
+
 	return b.batch.Set(key, value, nil)
 }
 
@@ -262,6 +271,14 @@ func (b *pebbleDBBatch) Delete(key []byte) error {
 		return errBatchClosed
 	}
 
+	// Prevent Pebble batch from exceeding 4 GB hard limit
+	if b.batch.Len() > flushThreshold {
+		if err := b.batch.Commit(pebble.Sync); err != nil {
+			return err
+		}
+		b.batch.Reset()
+	}
+
 	return b.batch.Delete(key, nil)
 }