queries

latency to 

histogram_quantile(
  0.99, sum by (le) (
    cortex_request_duration_seconds_bucket{cluster=~"$cluster", job=~"($namespace)/(store-gateway|cortex$)", route=~"/gatewaypb.StoreGateway/.*"}
  )
) * 1e3

---

chunks cache latency:

histogram_quantile(0.99, sum(rate(thanos_memcached_operation_duration_seconds_bucket{
  cluster=~"$cluster", job=~"($namespace)/(store-gateway|cortex$)",
  operation="getmulti",
  component="store-gateway",
  name="chunks-cache"
}
[$__rate_interval])) by (le)) * 1e3

---

memcached hits vs misses:

sum by(item_type) (
  rate(
    thanos_store_index_cache_hits_total{
      component="store-gateway",
      cluster=~"$cluster", job=~"($namespace)/(store-gateway|cortex$)"
    }[$__rate_interval]
  )
)
/
sum by(item_type) (
  rate(
    thanos_store_index_cache_requests_total{
      component="store-gateway",
      cluster=~"$cluster", job=~"($namespace)/(store-gateway|cortex$)"
    }[$__rate_interval]
  )
)