2.2 KiB
2.2 KiB
CDN
CDN is a long-running process which caches downloaded data from source to avoid downloading the same files from source repeatedly
Try it
go run cmd/cdnsystem/main.go [Option]
Log configuration
set environment variable DF_ACTIVE_PROFILE=local if you want to print logs to Terminal
Runtime metrics monitoring
go run cmd/cdnsystem/main.go --profiler
Options
--advertise-ip string the cdn node ip is the ip we advertise to other peers in the p2p-network
--clean-ratio int CleanRatio is the ratio to clean the disk and it is based on 10. the value of CleanRatio should be [1-10] (default 1)
--config string the path of cdn configuration file (default "/etc/dragonfly/cdn.yaml")
--download-port int downloadPort is the port for download files from cdnNode (default 8001)
--fail-access-interval duration fail access interval is the interval time after failed to access the URL (default 3m0s)
--gc-disk-interval duration gc disk interval is the interval time to execute GC disk. (default 15s)
--gc-initial-delay duration gc initial delay is the delay time from the start to the first GC execution (default 6s)
--gc-meta-interval duration gc meta interval is the interval time to execute the GC meta (default 2m0s)
-h, --help help for cdn
--home-dir string homeDir is the working directory of cdnNode (default "/Users/su*__*nweipeng1/cdn-system")
--max-bandwidth rate network rate that cdnNode can use (default 200MB)
--port int listenPort is the port that cdn server listens on (default 8003)
--profiler profiler sets whether cdnNode HTTP server setups profiler
--system-bandwidth rate network rate reserved for system (default 20MB)
--task-expire-time duration task expire time is the time that a task is treated expired if the task is not accessed within the time (default 3m0s)
--young-gc-threshold file-size gc disk interval is the interval time to execute GC disk. (default 100GB)