Index Store

Search index shards and snapshot metadata

Serves read-only index shards to query nodes. Writes go through the indexing pipeline, never here.

Shard setDocumentsRebuilt
catalog-v42.1 Mnightly
docs-v2480 Khourly
archive-v19.6 Mweekly

Snapshot integrity is verified after each rebuild; failed shards are withdrawn from rotation.