netty5/transport-native-epoll
Norman Maurer 6d1b96fb63 [#2867] Workaround performance issue with IPv4-mapped-on-IPv6 addresses
Motivation:

InetAddress.getByName(...) uses exceptions for control flow when try to parse IPv4-mapped-on-IPv6 addresses. This is quite expensive.

Modifications:

Detect IPv4-mapped-on-IPv6 addresses in the JNI level and convert to IPv4 addresses before pass to InetAddress.getByName(...) (via InetSocketAddress constructor).

Result:

Eliminate performance problem causes by exception creation when parsing IPv4-mapped-on-IPv6 addresses.
2014-09-09 06:36:40 +02:00
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