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ubuntu_hortonworks [2016/01/28 11:20] steve |
ubuntu_hortonworks [2016/01/28 11:21] steve |
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| Line 39: | Line 39: | ||
| sysctl -w vm.swappiness=0 | sysctl -w vm.swappiness=0 | ||
| sysctl -w fs.epoll.max_user_instances=2048 | sysctl -w fs.epoll.max_user_instances=2048 | ||
| + | </code> | ||
| + | |||
| + | HortonWorks recommends disabling transparent hugepages as well. Add to ''/etc/rc.local'': | ||
| + | |||
| + | <code> | ||
| + | echo never > /sys/kernel/mm/transparent_hugepage/enabled | ||
| + | echo never > /sys/kernel/mm/transparent_hugepage/defrag | ||
| </code> | </code> | ||
