Daniel Shaya

Daniel has been programming in Java since it was in beta. Working predominantly in the finance industry he has created real time trading and margin risk applications. He is currently a director at OpenHFT where we are building next generation Java low latency products.

Core Java
Daniel ShayaOctober 25th, 2017
0 125
Allocation free logging with log4j2
Introduction Recently I was working for a client trying to remove some GC pauses for a large well crafted Java…
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Core Java
Daniel ShayaApril 20th, 2016
0 78
JLBH Examples 4 – Benchmarking QuickFix vs ChronicleFix
In this post: Using JLBH to test QuickFIX Observing how QuickFix latencies degrade through the percentiles Comparing QuickFIX with Chronicle…
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Core Java
Daniel ShayaApril 18th, 2016
0 52
JLBH Examples 3 – The Affects of Throughput on Latency
In this post: A discussion about the effects of thoughput on latency How use JLBH to measure TCP loopback Adding…
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Core Java
Daniel ShayaApril 18th, 2016
0 83
JLBH Examples 2 – Accounting for Coordinated Omission
In this post: Running JLBH with and without accounting for coordinated omission An example to in numbers the effects of…
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Core Java
Daniel ShayaApril 18th, 2016
0 99
JLBH Examples 1 – Why Code Should be Benchmarked in Context
In this post: A side by side example using JMH and JLBH for Date serialisation Measuring Date serialisation in a…
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Core Java
Daniel ShayaApril 15th, 2016
0 466
JLBH – Introducing Java Latency Benchmarking Harness
In this Post: What is JLBH Why did we write JLBH Differences between JMH and JLBH Quick start guide …
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Core Java
Daniel ShayaFebruary 23rd, 2016
0 26
Learn about JDK9 Compact Strings (Video review Charlie Hunt)
JDK 9 introduces a new feature called Compact Strings. Given the ubiquity of Strings in Java programs I feel that…
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Core Java
Daniel ShayaJanuary 13th, 2016
4 123
Writing 2 Characters into a Single Java char
Here’s another nice trick we used when creating the ultra low latency Chronicle FIX-Engine. When it comes to reading data…
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Core Java
Daniel ShayaDecember 28th, 2015
0 48
How long does it take the jvm to effect escape analysis? Maybe longer than you think.
This post looks at escape analysis, in particular how long it takes for the jvm to effect escape analysis in…
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