seeking the best Java real-time tick data level trading platform?

[speculatus]

Quote from Kevin Schmit:

I agree with Rosy on this one. Well coded Java is adequate to the task.

You've been doing high-frequency C++ trading since 1988? I find that a little difficult to believe as most markets had no STP-style electronic execution whatsoever at that time. With what firm? Through which clearers? I suspect you are FOS.

What firm are you with now?

I've been using C/C++ for two decades, doing trading systems last decade, high-frequency trading systems for the last 5 years for different shops and lately for myself. I have enough knowledge in C# and Java to stay away from them in the subj, i.e. real-time data processing. Waste of time...

I know a lot of guys that wrote pieces of trading systems in Java now spending useless time trying to tweak the garbage collector to avoid multi-second pauses during market-data bursts in the middle of the day.

Get real, make it once, and make it right.

 

[TSGannGalt]

Quote from speculatus:

I've been using C/C++ for two decades, doing trading systems last decade, high-frequency trading systems for the last 5 years for different shops and lately for myself. I have enough knowledge in C# and Java to stay away from them in the subj, i.e. real-time data processing. Waste of time...

I know a lot of guys that wrote pieces of trading systems in Java now spending useless time trying to tweak the garbage collector to avoid multi-second pauses during market-data bursts in the middle of the day.

Get real, make it once, and make it right.

Most firms use a combination of them.

More C++ / Unix as it gets closer to the core infrastructure.
More Java / Win as it gets closer to the front end.

Unless they're a small operation firm without a decent Infrastructure IT team, you won't see a single language/platform system. Each required components are optimized to do its task.