Typed ask for Akka

Akka is a great tool for writing distributed applications. One thing that always surprised me though is that while being…

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WatchService combined with Akka actors

WatchService is a handy class that can notify you about any file system changes (create/update/delete of file) in a given…

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Futures in Akka with Scala

Akka is actor based, event-driven framework for building highly concurrent, reliable applications. Shouldn’t come a surprise that concept of a…

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Software Transactional Memory (STM)

The Actor Model is based on the premise of small independent processes working in isolation and where the state can…

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Adding Turbochargers to JEE Apps

One of the key roles, I play is evangelizing Akka within my local community. As part of the discussions, the…

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Non-blocking I/O – discovering Akka

Here comes the time to follow some good practices when implementing actors. One of the most important rules we should…

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Two actors – discovering Akka

Hope you are having fun so far, but our application has serious performance defect. After measuring response times of the…

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Remote actors – discovering Akka

Assume our test application became a huge success and slowly a single server is not capable of handling growing traffic.…

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become/unbecome – discovering Akka

Sometimes our actor needs to react differently based on its internal state. Typically receiving some specific message causes the state…

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