Load testing example using Apache Bench (ab) to POST JSON to an API

cmd.sh

# Shoot off 300 requests at the server, with a concurrency level of 10, to test the number of requests it can handle per second

# -p POST
# -H Authentication headers
# -T Content-Type
# -c Concurrent clients
# -n Number of requests to run
# -l Accept variable document length
# -k Connection keep-alive
# -v Verbosity level

nohup ab -p transaction.txt -T application/json -H 'Accept: application/json' -H 'Authorization: Basic SoMEtoKEN==' -H "Cookie: My_Session=AnOTheRTOken" -c 10 -n 300 -l -k -v 2 http://my.staging.server.com/api/v1/portfolios/123456/transactions > transaction_post_results.txt &

transaction.txt

{
    "position" : {
      "id" : 123456
    },
    "currency" : {
      "id": 123456,
      "code":"INR"
    },
    "type": "buy",
    "share": 10,
    "price": 10,
    "transactionDate": "1995-01-01"
}