I want to dive deep into the way CouchDB's file format, which is interesting, because it maintain ACID guarantees and the code is small enough to make it possible to read. The file starts with a header, with the following structure: "gmk\0" db_header: writer_version update_seq summary_stream_state, fulldocinfo_by_id_btree_state docinfo_by_seq_btree_state local_docs_btree_state purge_seq purged_doc
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