October 12, 2026 · QueryCrunch
Mappings are mostly immutable, so every field type fix becomes a reindex. The alias indirection, dual-write and catch-up options, _reindex throttling that does not melt the cluster, and the verification step before you cut over.
Read moreSeptember 18, 2026 · QueryCrunch
Both Elastic and AWS now sell a serverless tier where you never see a node. The architecture is genuinely different — compute separated from object storage — and so is the bill. Here is how the units price out, what you give up, and the workload shapes where it wins.
Read moreSeptember 15, 2026 · QueryCrunch
A snapshot you have never restored is a hypothesis. How to size repositories, schedule SLM policies that do not collide with ingest peaks, rehearse a restore against real numbers, and avoid the frozen-tier and cross-version traps.
Read moreSeptember 14, 2026 · QueryCrunch
Major-version upgrades fail on the things nobody tested: a removed setting, a plugin that has no build for the new version, a client library that stops talking. Here is the sequence we run — snapshot, deprecation sweep, clone-and-rehearse, rolling upgrade, verify — and where the rollback really is.
Read moreJuly 21, 2026 · QueryCrunch
The fork happened at 7.10, and the projects have been diverging since. A field checklist of the differences that matter when you evaluate a move in either direction — clients, security, vector search, dashboards, and snapshots.
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