On Fri, Mar 13, 2020 at 10:09 AM Mark Thomas <ma...@apache.org> wrote: > > On 13/03/2020 13:54, Chris Cheshire wrote: > > Using 9.0.31 on Java 8, I have my AJP connector configured as > > > > <Connector port="8019" protocol="AJP/1.3" URIEncoding="UTF-8" > > secretRequired="false" /> > > > > According to the logs, this is defaulting to the NIO protocol. > > Correct. > > > The > > connector comparison chart [1] implies that NIO2 is used for 8.5x > > onwards. > > No, the Tomcat version line in that chart indicates from which version > onwards the connector is available. > > > Shouldn't the AJP/1.3 protocol alias be using NIO2 by default (I don't > > have APR/native installed)? > > No. It should use NIO. > > > What are the fundamental differences > > between the two protocols? > > They work in fundamentally different ways (NIO - Poller vs NIO2 - > callback) but for AJP, the actual difference in terms of performance, > scalability etc is minimal. Personally, I'd stick with NIO. > > Mark > >
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