diff --git a/.gitignore b/.gitignore
index 9d54abc..c59f5ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@
 *.gor
 
 *.out
+
+*.bin
diff --git a/Makefile b/Makefile
index 4e4a814..3450a9b 100644
--- a/Makefile
+++ b/Makefile
@@ -37,7 +37,13 @@ dbench:
 
 # Used mainly for debugging, because docker container do not have access to parent machine ports
 drun:
-	docker run -v `pwd`:$(SOURCE_PATH) -t -i gor go run $(SOURCE) --input-dummy=0 --output-http="http://localhost:9000"  --verbose -h
+	docker run -v `pwd`:$(SOURCE_PATH) -t -i gor go run $(SOURCE) --input-dummy=0 --output-http="http://localhost:9000"  --verbose
 
-dbash: 
+drecord:
+	docker run -v `pwd`:$(SOURCE_PATH) -t -i gor go run $(SOURCE) --input-dummy=0 --output-file=requests.bin --verbose
+
+dreplay:
+	docker run -v `pwd`:$(SOURCE_PATH) -t -i gor go run $(SOURCE) --input-file=requests.bin --output-tcp=:9000 --verbose -h
+
+dbash:
 	docker run -v `pwd`:$(SOURCE_PATH) -t -i gor /bin/bash
\ No newline at end of file
diff --git a/settings.go b/settings.go
index dbf7146..8bcc7c9 100644
--- a/settings.go
+++ b/settings.go
@@ -122,7 +122,7 @@ func init() {
 // Debug gets called only if --verbose flag specified
 func Debug(args ...interface{}) {
 	if Settings.verbose {
-		fmt.Print("[DEBUG] ")
+		fmt.Printf("[DEBUG][PID %d] ", os.Getpid())
 		log.Println(args...)
 	}
 }