Norman Maurer 089c6daff2 Replace synchronized usage with ConcurrentHashMap in *Bootstrap classes (#9458) ... Motivation: In AbstractBoostrap, options and attrs are LinkedHashMap that are synchronized on for every read, copy/clone, write operation. When a lot of connections are triggered concurrently on the same bootstrap instance, the synchronized blocks lead to contention, Netty IO threads get blocked, and performance may be severely degraded. Modifications: Use ConcurrentHashMap Result: Less contention. Fixes https://github.com/netty/netty/issues/9426		2019-08-16 15:30:29 +02:00
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java/io/netty	Replace synchronized usage with ConcurrentHashMap in *Bootstrap classes (#9458)	2019-08-16 15:30:29 +02:00
resources/META-INF/native-image/io.netty/transport	Add SVM metadata and minimal substitutions to build graalvm native image applications. (#8963)	2019-04-29 09:12:09 +02:00