https://blog.turboawesome.win/tags/persistence/ Recent content in Persistence on Bits, Trades & Systems Hugo en-us Wed, 21 Jan 2015 10:44:00 +0000 https://blog.turboawesome.win/2015/01/chronicle-queue-vs-kafka-choosing-a-persistent-journal-at-nanosecond-scale/ Wed, 21 Jan 2015 10:44:00 +0000 https://blog.turboawesome.win/2015/01/chronicle-queue-vs-kafka-choosing-a-persistent-journal-at-nanosecond-scale/ Both Chronicle Queue and Kafka provide persistent, ordered message logs. Their performance profiles, operational models, and use cases are almost completely different. https://blog.turboawesome.win/2013/09/java-chronicle-off-heap-persistence-without-serialisation-overhead/ Thu, 05 Sep 2013 14:22:00 +0000 https://blog.turboawesome.win/2013/09/java-chronicle-off-heap-persistence-without-serialisation-overhead/ Chronicle Map and Chronicle Queue use memory-mapped files to give you persistent storage that doesn't touch the GC heap. Here's how we used it for trade journaling at microsecond latency.