This is the fourth part of the series and covers a few performance tweaks to improve data ingestion. Introduction Goals Cheap, Fast, Reliable Eventual Consistency Installation Create VM Installs SSH Security Capture VM Client Code Create Databases Create Benchmark/Testing Code Create Views Start Replication Cron Jobs Performance Tweaks stale=update_after CouchDB local.ini mods Mapping Data Aggregate Heat Map Live Map   4. Performance Tweaks In addition to using cron jobs to maintaining database performance, a few changes […]

In this final post of the series, the design views in CouchDB will be used to populate heat maps and show near real-time device location. The code for the maps is hosted at GitHub (https://github.com/markfennell/couchdb_heatmap). The mapping code uses the following libraries: heatmap.js v2.0.0 by Patrick Wied (http://www.patrick-wied.at/static/heatmapjs/), LeafletJS (http://leafletjs.com/) SimpleHeat (https://github.com/mourner/simpleheat) jQuery This post will not discuss the code used to produce the heat maps but will show how the pages render in the browser. Introduction […]