Compression
Many administrators always use -z in conjunction with -a to compress the data before transmission:
rsync -az dir host:destination_dir
Compression can improve performance in certain situations. For example, if you are uploading a large amount of data across a slow connection (such as the slow upstream link on many DSL connections), or if the latency between the two hosts is high, it helps. However, across a fast 100 Mb/s local area network, the two endpoints can spend more time compressing and decompressing data than the network takes transmitting the uncompressed files.
Get How Linux Works now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
