vzs64 wrote:
> Another two questions:
> a) HttpClient 4.0 is based on java.io or java.nio package

java.io

> b) Is there any migration steps / guide available to migrate from 3.0 to 4.0

HttpClient 4.0 is in an early alpha stage and will see plenty of
API changes until it is stable. We're not going to spend time on
migration documentation until we have a stable API to migrate to.
Or rather, I'm not going to spend time on that, and others are
typically less inclined to write documentation than I am.

I intend to prepare migration documentation after HttpClient 4.0
goes beta, maybe in late 2008. While we're in alpha, we encourage
all users to try it out and give feedback, but we don't recommend
a migration of production code. You might want to upgrade to 3.1
though. 3.0 is no longer supported.

In your particular case, you should write test code based on 4.0
to see whether that solves your performance problem or not. If it
does, you can consider whether to switch to 4.0 and live with
API changes for another year, or whether to backport those changes
that fixed your problem to 3.1.

cheers,
  Roland

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