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Tim Chase
d33931a83a
This is as much an upstream compatibility as it's a bit of a performance gain. The illumos taskq implemention doesn't allow a TASKQ_THREADS_CPU_PCT type to be dynamic and in fact enforces as much with an ASSERT. As to performance, if this taskq is dynamic, it can cause excessive contention on tq_lock as the threads are created and destroyed because it can see bursts of many thousands of tasks in a short time, particularly in heavy high-concurrency zvol write workloads. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tim Chase <tim@chase2k.com> Closes #5236
Native ZFS for Linux!
ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.
ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.
Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org