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This article was originally offered to nearForm for publishing and appeared for some time on their blog from early 2014 (at this URL: http://www.nearform.com/nodecrunch/dont-use-nodes-core-stream-module). It has since been deleted. I'd rather not speculate about the reasons for the deletion but I believe the article contains a very important core message so I'm now republishing it here. TL;DR The

LevelDB and Node An Introduction by Rod Vagg / tw:@rvagg / gh:rvagg / bl:http://r.va.gg LevelDB in a Nutshell Open-source, embedded key/value store by Google Sorted by keys Values are compressed with Snappy Basic operations: Get(), Put(), Del() Atomic Batch() Bi-directional iterators Basic architecture LSM-tree Writes go straight into a log / memtable Log is flushed to 2MB string sorted table (SST