Performance Tuning

Some Important settings for sysctl
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CORE memory settings
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net.core.rmem_max - max size of rx socket buffer
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net.core.wmem_max -max size of tx socket buffer
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net.core.rmem_default - default rx size of socket buffer
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net.core.wmem_default - default tx size of socket buffer
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net.core.optmem_max - maximum amount of option memory
buffers
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net.core.netdev_max_backlog how many unprocessed rx packets
before kernel starts to drop them
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These settings also impact UDP