- Note that so-reuseport at extreme load is better turned off,

otherwise queries are not distributed evenly, on Linux 4.4.x.
This commit is contained in:
W.C.A. Wijngaards 2019-05-20 11:57:09 +02:00
parent 310396190b
commit 1c3ba0cef7
3 changed files with 7 additions and 0 deletions

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@ -1,3 +1,7 @@
20 May 2019: Wouter
- Note that so-reuseport at extreme load is better turned off,
otherwise queries are not distributed evenly, on Linux 4.4.x.
16 May 2019: Wouter
- Fix #31: swig 4.0 and python module.

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@ -103,6 +103,7 @@ server:
# so-sndbuf: 0
# use SO_REUSEPORT to distribute queries over threads.
# at extreme load it could be better to turn it off to distribute even.
# so-reuseport: yes
# use IP_TRANSPARENT so the interface: addresses can be non-local

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@ -300,6 +300,8 @@ it may also work. You can enable it (on any platform and kernel),
it then attempts to open the port and passes the option if it was available
at compile time, if that works it is used, if it fails, it continues
silently (unless verbosity 3) without the option.
At extreme load it could be better to turn it off to distribute the queries
evenly, reported for Linux systems (4.4.x).
.TP
.B ip\-transparent: \fI<yes or no>
If yes, then use IP_TRANSPARENT socket option on sockets where unbound