ls ./tags/storage
2025-03-27~2 min
Key design tip: reverse number scanning in ordered key-value storesA key design trick for ordered key-value stores like HBase, FoundationDB, and RocksDB: reverse a number by subtracting it from its max value so a forward scan finds the highest one first.
2025-03-07~3 min
Debugging FoundationDB's Data DistributorA deep dive into the internals of FoundationDB's Data Distributor and how it manages shard placement and team priorities.
2024-04-22~3 min
Redwood’s memory tuning in FoundationDBLearn how to tune FoundationDB for Redwood storage Engine
2024-03-12~4 min
True idempotent transactions with FoundationDB 7.3Learn how to avoid FDB's biggest caveats by using a new feature called automatic idempotency in FoundationDB
2021-02-21~5 min
Crafting row keys in FoundationDBAn overview of all the helpers to generate row keys with FoundationDB
2021-01-11~9 min
Notes about ETCDList of ressources gleaned about ETCD
2020-09-23~3 min
Announcing Record-Store, a new (experimental) place for your dataOpensourcing Record-Store
2020-09-18~4 min
Diving into ETCD's linearizable readsA code-level dive into how etcd achieves linearizable reads with the ReadIndex protocol on top of Raft, including how it enables safe follower reads.
2020-01-30~14 min
Notes about FoundationDBList of ressources gleaned about FoundationDB
2019-11-17~4 min
Diving into Hbase's MemStoreA code-level dive into HBase's MemStore, from the ConcurrentSkipListMap backing HBase 1.x to the in-memory compactions Accordion introduced in HBase 2.0.
2019-08-04~8 min
What can be gleaned about GFS successor codenamed Colossus?Piecing together, from scattered public talks and papers, how Google evolved GFS into Colossus, and why a Kubernetes-native distributed file system is still missing.
2019-05-27~3 min
Playing with TTL in HBaseA hands-on walkthrough of HBase's TTL feature, how cell timestamps and compaction interact to expire data, and how to control it by setting your own version timestamp.
2019-02-03~4 min
What are ACID transactions?A walkthrough of the ACID properties of database transactions, from the 1983 Haerder and Reuter paper that coined them to isolation levels and PostgreSQL's MVCC implementation.
2019-01-27~4 min
Hbase Data ModelAn overview of HBase's data model, row keys, column families and qualifiers, and why key design determines whether you get good performance or a hotspotted region.
revision history © 2026 Pierre Zemb · last rev. 2026-08-14
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