sbtourist/nimrod — Issue #24: Improve disk store performance on metrics listing
Author: sbtourist
Created: 2012-01-22 12:23:01+00:00
State: open
Labels: 0.5

Listing metrics, both on startup to compute latest values and on demand, is slow when millions of metric values are stored.
This is apparently due to a problem with large DISTINCT queries on HSQLDB: so let's try converting queries to use GROUP BY.