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Posted to dev@hc.apache.org by "Oleg Kalnichevski (JIRA)" <ji...@apache.org> on 2013/04/03 11:55:16 UTC
[jira] [Resolved] (HTTPASYNC-31) There should be a simple way to
inject a DNS resolution strategy
[ https://issues.apache.org/jira/browse/HTTPASYNC-31?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Kalnichevski resolved HTTPASYNC-31.
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Resolution: Fixed
Implemented in SVN trunk. The new pooling connection manager now takes DnsResolver as an optional constructor parameter.
Sebastiano,
There has been numerous improvements in the latest HttpCore and in the client code itself that should potentially result in a better performance compared to BETA3. I would be nice if you could take the latest snapshot for a spin and let me know if those improvements translate into noticeable performance gains in real world applications.
Oleg
> There should be a simple way to inject a DNS resolution strategy
> ----------------------------------------------------------------
>
> Key: HTTPASYNC-31
> URL: https://issues.apache.org/jira/browse/HTTPASYNC-31
> Project: HttpComponents HttpAsyncClient
> Issue Type: Improvement
> Affects Versions: 4.0-beta3
> Reporter: Sebastiano Vigna
>
> With DefaultHttpClient it is not difficult to use a custom DNS resolution strategy (e.g., DNSJava) by using a
> specialized DefaultConnectionOperator. Doing the same with the asynchronous client presently is very difficult as it requires to create an entirely new connection manager (and the standard implementation uses many package-accessible implementations, so this requires modifying the actual HttpAsyncClient distribution). For a client able to open simultaneously thousands of connections careful DNS management is essential.
> Of course it is in principle possible to use a local installation of BIND etc., but it would be nice to be able to do configurable DNS caching in pure Java.
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