3c82160ff2
Add the TASKQ_DYNAMIC flag to the kmem_cache and system taskqs to reduce the number of idle threads on the system. Additional threads will be created on demand up to the previous maximum thread counts. This should have minimal, if any, impact on performance. This makes the system taskq consistent with illumos which is always created as a dynamic taskq with up to 64 threads. The task limits for the kmem_cache have been increased to avoid any unnessisary throttling and to keep a larger reserve of task_t structures on the free list. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tim Chase <tim@chase2k.com> Closes #458 |
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