[Port to 2.x]: fix: permit small TSI series caches to grow (#27552)
Author: devanbenzCreated Sep 16, 2026Updated Sep 16, 2026
Labelsarea/2.x
Port master-1.x commit https://github.com/influxdata/influxdb/commit/70aa5b6d8f to main-2.x.
Fix to decideResize() in tsdb/index/tsi1/cache.go. Depends on the port of #27480 (adaptive TagValueSeriesIDCache growth).
Source: influxdata/influxdb