Curl — Download In Parallel ((hot))
The simplest way to download multiple files in parallel is using the -Z (or --parallel ) flag. By default, curl will attempt to perform up to .
For heavy workloads, you can fine-tune how curl manages connections to avoid overwhelming your system or being flagged as a DDoS attack by the remote server. curl download in parallel
: Limits the number of concurrent connections to a single origin (combination of protocol, host, and port). Running Parallel Transfers from a Config File The simplest way to download multiple files in
If you are on an older system (pre-7.66.0), you can achieve parallelism using standard Unix utilities: curl man page : Limits the number of concurrent connections to
Parallel Downloads with curl: A Complete Guide Traditionally, curl has been known as a sequential tool, processing one URL at a time. However, since version 7.66.0, curl has supported built-in parallel transfers, significantly speeding up bulk downloads by utilizing the same resource-efficient libcurl multi interface used by high-performance applications. Using the Built-in Parallel Flag
: Instructs curl to prefer opening new connections immediately rather than waiting for existing ones to complete or be reused.