Reduce udp read/write buffer sizes #3680
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With 18.04, these large values cause packet errors and mess up the system.
pgarg66
approved these changes
Apr 8, 2019
garious
reviewed
Apr 9, 2019
| @@ -88,16 +88,16 @@ tune_system() { | |||
| # test the existence of the sysctls before trying to set them | |||
| # go ahead and return true and don't exit if these calls fail | |||
| sysctl net.core.rmem_max 2>/dev/null 1>/dev/null && | |||
| sudo sysctl -w net.core.rmem_max=1610612736 1>/dev/null 2>/dev/null | |||
| sudo sysctl -w net.core.rmem_max=161061273 1>/dev/null 2>/dev/null | |||
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@sakridge, what's the significance of this magic number? Just dropping the least significant digit seems weird.
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only significance is that it works a lot better than the other number.
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Problem
With Ubuntu 18.04, these large values cause packet errors and mess up the system.
Summary of Changes
Lower rmem/wmem sizes.
Fixes #