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How can I run multiple curl requests processed sequentially?
So the simplest and most efficient (curl will send them all down a single TCP connection [those to the same origin]) approach would be put them all on a single invocation of curl e.g.: Another crucial method not mentioned here is using the same TCP connection for multiple HTTP requests, and exactly one curl command for this.
How to measure response time using man curl?
All of the variables used with -w can be found in man curl. Option 1. To measure total time: Option 2. To get time to establish connection, time to first byte (TTFB) and total time: A shortcut you can add to your .bashrc etc, based on other answers here:
How to use grinder for multiple simultaneous requests?
Grinder is a more sophisticated tool, which can let you specify many different URLs to use in a load test. This lets you mix requests for cheap and expensive pages, which may more closely resemble standard load for your website.
Do you need a bashrc file for curl?
It’s self-contained (doesn’t require a separate format file), which makes it great for inclusion into .bashrc. Futhermore, it should work with all arguments that curl normally takes, since the “$@” just passes them through.
How does curl work for multiple file transfers?
They will be fetched in a sequential manner in the specified order. Curl will attempt to re-use connections for multiple file transfers, so that getting many files from the same server will not do multiple connects / handshakes. This improves speed.
What are the features of the curl command?
The command is designed to work without user interaction. curl offers a busload of useful tricks like proxy support, user authentication, ftp upload, HTTP post, SSL (https:) connections, cookies, file transfer resume and more. As you will see below, the amount of features will make your head spin!
When to use the FTP server command size in curl?
If used with uploads, the ftp server command SIZE will not be used by curl. Use “-C -” to tell curl to automatically find out where/how to resume the transfer. It then uses the given output/input files to figure that out. If this option is used several times, the last one will be used.