Interactive labs
All 4 labs in this category
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LAB · 01
Compaction Strategies — STCS vs LCS vs TWCS
Watch how each strategy merges SSTables over time.
Open lab →LAB · 02
Hinted Handoff
A replica is down. Coordinator stores hints; replays when it returns.
Open lab →LAB · 03
Cassandra Token Ring
See how partition keys map to nodes on the token ring.
Open lab →LAB · 04
Tombstones and gc_grace
Deletes leave tombstones. Watch them propagate and eventually drop.
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