[-t threads] [-X method] [-u user:password] url -d dictionary_file: Newline delimited strings dictionary file -r recurrence: Number of recurrence HTTP requests per thread -t threads: Number of threads to generate, not always a big number gives more pressure -u user:password: Username and password for HTTP authentication -X: HTTP method to perform $ echo '{"query": {"term": {"first_name": {"value": "$RDICT"}}}}' | ./ esperf -r 1000 -t 3 -d ./names.txt "http://localhost:9200/_search?size=1"