Time - days of clock vs Monotonic clocks
Getting days of clocks - Linux: clock_gettime(CLOCK_REALTIME) - Java: System.currentTimeMillis() Getting monotonic clocks - Linux: clock_gettime(CLOCK_MONOTO...
Blog Posts
Recent posts
Database - Partitioning name in various database
Various database called partitioning in various name. It's interesting but they are all same. HBase: region Cassandra: vnode MongoDB: shard Elasticsearch: sh...
Reactive Stream - Example of implementation of Publisher
https://medium.com/@olehdokuka/mastering-own-reactive-streams-implementation-part-1-publisher-e8eaf928a78c
Reactive Programming
It is worth to read through The Reactive Manifesto definition. https://www.reactivemanifesto.org/glossary
Linux - Network settings for high traffic generating application
/etc/sysctl.conf CENT OS example 1 # sysctl -w net.core.wmem_default=262144 # default socket memory buffer per a socker net.core.wmem_default=131072(128KB) ...