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sysctl tuning for docker & serf
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| # values from https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/Welcome%20to%20High%20Performance%20Computing%20%28HPC%29%20Central/page/Linux%20System%20Tuning%20Recommendations | |
| # install (root): curl -s https://gist.githubusercontent.com/polonskiy/00a71bab32360ffcb79f/raw/10-custom.conf > /etc/sysctl.d/10-custom.conf | |
| # apply (root): sysctl -p /etc/sysctl.d/10-custom.conf | |
| net.ipv4.neigh.default.gc_thresh1 = 30000 | |
| net.ipv4.neigh.default.gc_thresh2 = 32000 | |
| net.ipv4.neigh.default.gc_thresh3 = 32768 | |
| net.ipv6.neigh.default.gc_thresh1 = 30000 | |
| net.ipv6.neigh.default.gc_thresh2 = 32000 | |
| net.ipv6.neigh.default.gc_thresh3 = 32768 |
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Thank you so much for this! I wasted days with those problems coming seemingly out of nowhere.