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Chronicle Update May 2019

Welcome to our newsletter giving you an update on Chronicle Software, we provide professional services and world-leading Java libraries to enhance automated trading capabilities for a multitude of global financial services organizations.   Commercial Update Chronicle Decentred provides the application of Java microservices on a secure decentralized clustering framework over a distributed ledger technology, a…

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Choosing Chronicle FIX Engine

Overview The FIX Trading Community web site has posted a list of common questions about FIX Engines. This page brings together our answers for these questions. For more details on Chronicle FIX Capabilities/throughput Chronicle FIX supports; 100,000 messages per second per core. (NewOrderSingle / ExecutionReport sized messages) FIX Services which need to have a 30 micro-seconds tick…

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Improving percentile latencies in Chronicle Queue

Compared to a year ago, we have significantly improved the throughput at which we can achieve the 99%ile (worst one in 100). What tools and tricks did we use to achieve that? What are we testing? Chronicle Queue appends messages to a file while another thread or process can be reading it. This gives you…

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Best practices for Event Sourcing

David Schmitz presented an excellent talk on what he sees as best practices in using Event Sourcing. Chronicle Software has two very different event sourcing frameworks Chronicle Microservices Framework (CMF) and Chronicle Decentred. This talk is useful in highlighting how they differ with each other and other Event Sourcing solutions. CMF is built on Chronicle Queue and is designed for low latency…

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