These are some resources to explore Elastic as a Speed Layer (a fast, scalable search and analytics layer on top of existing legacy data systems).

logstash_batch_export.conf An example of batch loading of records from MySQL to Elasticsearch

dev_console.json A lab for Kibana's Dev Console

kibana_objects.ndjson Importable Kibana objects (dashboard, visualizations, index pattern)

Everything was made in Elastic Stack 7.3.