Peter Lawrey
4,654 viewsThe IKEA Effect
On placing a higher value on things that you've either made yourself, or to which you’ve contributed towards making!
Peter Lawrey
16 articles
110,284 viewsPeter Lawrey
4,654 views
Peter Lawrey
6,824 viewsOptimise CPU Performance Through Isolation and System Tuning
Standard solutions for controlling CPU isolation for low-latency Linux applications are isolcpus and cgroups/csets. Each have their …
Peter Lawrey
7,315 viewsUnique Identifiers Based on Timestamps in Distributed Applications
Generate a highly efficient approach to generating an 8-byte lightweight identifier that is unique across many hosts.
Peter Lawrey
8,418 viewsJava is Very Fast, If You Don’t Create Many Objects
The cost of object creation can be far higher than the cost of cleaning them up if they are very short lived.
Peter Lawrey
3,251 viewsUsing Pausers in Event Loops
Techniques that help maximise hardware utilisation, while also reducing power consumption, helping reduce costs to your organisation.
Peter Lawrey
7,385 viewsApproaches to Durability in Low Latency Messaging Queues
Is replicating data to a secondary system faster than sync-ing to disk? My first time benchmarking with a realistic example.
Peter Lawrey
4,845 viewsEvent-Driven Order Processing Program
Following the Hello World example, this article looks at an Order Processor with a New Order Single in and an Execution Report out.
Peter Lawrey
4,252 viewsEfficient Memory Mapping for Terabyte Sparse Files in Java
Mapping large areas of memory avoids having to know in advance how much memory we need or having to resize the memory mappings while in use.
Peter Lawrey
11,709 viewsEvent Driven Hello World Program
Let's use an event-driven Hello World (a paradigm where the flow is determined by events) to step through behaviour-driven development,
Peter Lawrey
4,896 viewsBehaviour Driven Development with Event Driven Architectures
How to use Behaviour Driven Development to establish the requirements from users, and Event Driven Architecture to automate testing!