illumos

“For a long time now, ZFS has allowed for transparent compression of datasets using a number of user-selectable algorithms, one of the most frequently used ones being LZJB. With the integration of issue #3035, Illumos now also includes support for LZ4, an extremely fast BSD-licensed algorithm designed and written by Yann Collet. LZ4′s high performance and features make it … Continue Reading

In the “oldies but goodies” department, 2.5 hours of Jeff Bonwick and Bill Moore at the SNIA Software Developers’ Conference, Sept, 2008 – a very thorough foundation on the guts of ZFS. Slides here.