MongrelDB Architecture: From WAL to Hybrid Search
An end-to-end technical walkthrough of MongrelDB, from transaction validation, WAL durability, MVCC, and PAX columnar runs to DataFusion SQL and hybrid retrieval.
Wal
2 posts filed under wal.
2
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Aug 2026
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WAL Group Commit: Accepted Writes and Durable Commits
MongrelDB separates accepted writes from fsync-backed durable commits, batches WAL work with group commit, and flushes log-structured columnar runs later.