New milestone adds two huge features for Virgo

Eclipse Nano – a new streamlined future for Virgo?

Chris Mayer

Virgo nano distribution and move to p2 repository make it exciting times for Eclipse Virgo fans

It may have passed some by as it just about made the cut for New
Year, but the newest milestone of Eclipse’s web
server Virgo, 3.5.0 M1
brings forward some interesting features – p2 support and a new
distribution known as Nano.

It shouldn’t be too difficult to work out what Nano is. Essentially, it’s a
streamlined version of Virgo, complete with OSGi compliant Gemini
Web, promising a rapid start-up time of 3 seconds (compared to the
Virgo Tomcat/Jetty server’s 8-10 seconds) and a better runtime
footprint. Nano has a single kernel region and is designed for
simpler scenarios where you don’t need to isolate application from
one another.

As well as introducing Nano, this milestone re-bases the
Tomcat/Jetty servers on Nano.  Another nifty use for Nano is
automated or cloud deployments through dynamically provisioning
content through p2.

As previously
in development of the Azure milestone (3.5.0 M1), the
shift to p2 repository for all Eclipse services was expected. A
p2 repository combines a metadata repository, used for
resolution and an artifact repository, used for finding and
collecting artifacts thus meaning that users depends upon not only
the artifacts but programmes as well. This allows for flexibile
targetting of the components that are needed, not the whole

Through introducing Nano, the committers to Virgo has
begun re-factoring the kernel and envisage the following set-up for
the future

release notes
charter all the major changes for this release
and also states what we can expect in M2 – further tooling support
for Nano and the new directory layout, plus an improved Virgo Web
Console. Plenty to be getting on with then – we look forward to the
next milestone, hopefully enhancing Virgo that bit more.

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