## databases

<br>


* **[database overview](database_overview.pdf)**
* **[caching best practices](caching.pdf)**
* **[distributed caching](distributed_caching.pdf)**
* **[database loadbalancing](database_loadbalancing.pdf)**
* **[database partitioning](database_partitioning.pdf)**
* **[failure detection: heartbeats, pings, gossip](failure_detection.pdf)**