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Norman Maurer 2fa7a0aa57
Keep the amount of scheduled tasks for DefaultDnsCache at a minimum (#8187)
Motivation:

We are currently always remove all entries from the cache for a hostname if the lowest TTL was reached but schedule one for each of the cached entries. This is wasteful.

Modifications:

- Reimplement logic to schedule TTL to only schedule a new removal task if the requested TTL was actual lower then the one for the already scheduled task.
- Ensure we only remove from the internal map if we did not replace the Entries in the meantime.

Result:

Less overhead in terms of scheduled tasks for the DefaultDnsCache
2018-08-15 09:07:13 +02:00
.github Use GitHub Issue/PR Template Feature 2016-12-07 11:40:26 -08:00
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buffer CompositeByteBuf nioBuffer doesn't always alloc (#8176) 2018-08-07 11:31:24 +02:00
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docker Update to java 11+ea19 2018-06-25 16:47:01 +02:00
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handler Set SNI servernames in OpenSSL engine when created in client mode (#8178) 2018-08-09 21:30:02 +02:00
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resolver [maven-release-plugin] prepare for next development iteration 2018-07-27 04:59:28 +00:00
resolver-dns Keep the amount of scheduled tasks for DefaultDnsCache at a minimum (#8187) 2018-08-15 09:07:13 +02:00
tarball [maven-release-plugin] prepare for next development iteration 2018-07-27 04:59:28 +00:00
testsuite Adjust SSL related tests to be more correct and so pass in the next EA release of java11. (#8162) 2018-08-01 06:37:53 +02:00
testsuite-autobahn [maven-release-plugin] prepare for next development iteration 2018-07-27 04:59:28 +00:00
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testsuite-osgi [maven-release-plugin] prepare for next development iteration 2018-07-27 04:59:28 +00:00
testsuite-shading Disable test as it sometimes fails on the CI 2018-08-01 08:31:31 +02:00
transport Add testcase for ChannelInitializer.initChannel(...) when throwing an Exception (#8188) 2018-08-10 08:54:21 +02:00
transport-native-epoll Lazy initialize NativeDatagramPacketArray and IovArray in EpollEventLoop (#8160) 2018-07-29 18:22:27 +08:00
transport-native-kqueue [maven-release-plugin] prepare for next development iteration 2018-07-27 04:59:28 +00:00
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.fbprefs Updated Find Bugs configuration 2009-03-04 10:33:09 +00:00
.gitattributes Include mvn wrapper to make setup of development env easier 2018-01-26 08:13:17 +01:00
.gitignore Add docker-sync files to .gitignore 2018-05-15 10:39:14 +02:00
CONTRIBUTING.md Move the pull request guide to the developer guide 2014-03-12 13:13:58 +09:00
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NOTICE.txt Add the NOTICE of the forked portion of Apache Harmony 2018-01-30 11:22:51 +01:00
pom.xml Workaround JDK bug that will cause an AssertionError when calling ServerSocketChannel.config().getOptions(). (#8183) 2018-08-09 13:11:08 +02:00
README.md Provide an Automatic-Module-Name for the netty-all artifact fixes #7644 2018-01-27 20:31:16 +01:00
run-example.sh Add UptimeServer and adjust UptimeClient's code style. 2017-04-28 07:41:07 +02:00

Netty Project

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.

How to build

For the detailed information about building and developing Netty, please visit the developer guide. This page only gives very basic information.

You require the following to build Netty:

Note that this is build-time requirement. JDK 5 (for 3.x) or 6 (for 4.0+) is enough to run your Netty-based application.

Branches to look

Development of all versions takes place in each branch whose name is identical to <majorVersion>.<minorVersion>. For example, the development of 3.9 and 4.0 resides in the branch '3.9' and the branch '4.0' respectively.

Usage with JDK 9

Netty can be used in modular JDK9 applications as a collection of automatic modules. The module names follow the reverse-DNS style, and are derived from subproject names rather than root packages due to historical reasons. They are listed below:

  • io.netty.all
  • io.netty.buffer
  • io.netty.codec
  • io.netty.codec.dns
  • io.netty.codec.haproxy
  • io.netty.codec.http
  • io.netty.codec.http2
  • io.netty.codec.memcache
  • io.netty.codec.mqtt
  • io.netty.codec.redis
  • io.netty.codec.smtp
  • io.netty.codec.socks
  • io.netty.codec.stomp
  • io.netty.codec.xml
  • io.netty.common
  • io.netty.handler
  • io.netty.handler.proxy
  • io.netty.resolver
  • io.netty.resolver.dns
  • io.netty.transport
  • io.netty.transport.epoll (native omitted - reserved keyword in Java)
  • io.netty.transport.kqueue (native omitted - reserved keyword in Java)
  • io.netty.transport.unix.common (native omitted - reserved keyword in Java)
  • io.netty.transport.rxtx
  • io.netty.transport.sctp
  • io.netty.transport.udt

Automatic modules do not provide any means to declare dependencies, so you need to list each used module separately in your module-info file.