Reviewers: unnurg, Description: Avoid bottlenecks by using ConcurrentHashMap instead of a synchronized IdentityHashMap.
Repost from Rietveld issue 1582804 Thanks to Jason Terk for the original patch! Please review this at http://gwt-code-reviews.appspot.com/1609803/ Affected files: M user/src/com/google/gwt/user/server/rpc/impl/SerializabilityUtil.java -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
