From d297b650891a294eb2e9a00171d702d6b30e43f1 Mon Sep 17 00:00:00 2001
From: Aliaksandr Valialkin <valyala@gmail.com>
Date: Wed, 13 Nov 2019 19:00:02 +0200
Subject: [PATCH] lib/storage: add
 `vm_cache_size_bytes{type="storage/hour_metric_ids"}` metric

---
 app/vmstorage/main.go  | 3 +++
 lib/storage/storage.go | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/vmstorage/main.go b/app/vmstorage/main.go
index c1e7855dd4..1fff4a3667 100644
--- a/app/vmstorage/main.go
+++ b/app/vmstorage/main.go
@@ -415,6 +415,9 @@ func registerStorageMetrics(strg *storage.Storage) {
 	metrics.NewGauge(`vm_cache_size_bytes{type="storage/date_metricID"}`, func() float64 {
 		return float64(m().DateMetricIDCacheSizeBytes)
 	})
+	metrics.NewGauge(`vm_cache_size_bytes{type="storage/hour_metric_ids"}`, func() float64 {
+		return float64(m().HourMetricIDCacheSizeBytes)
+	})
 	metrics.NewGauge(`vm_cache_size_bytes{type="indexdb/tagFilters"}`, func() float64 {
 		return float64(idbm().TagCacheSizeBytes)
 	})
diff --git a/lib/storage/storage.go b/lib/storage/storage.go
index b44a5c2e0d..d1f3f2fa70 100644
--- a/lib/storage/storage.go
+++ b/lib/storage/storage.go
@@ -320,7 +320,8 @@ type Metrics struct {
 	DateMetricIDCacheSyncsCount  uint64
 	DateMetricIDCacheResetsCount uint64
 
-	HourMetricIDCacheSize uint64
+	HourMetricIDCacheSize      uint64
+	HourMetricIDCacheSizeBytes uint64
 
 	IndexDBMetrics IndexDBMetrics
 	TableMetrics   TableMetrics
@@ -378,6 +379,8 @@ func (s *Storage) UpdateMetrics(m *Metrics) {
 		hourMetricIDsLen = hmCurr.m.Len()
 	}
 	m.HourMetricIDCacheSize += uint64(hourMetricIDsLen)
+	m.HourMetricIDCacheSizeBytes += hmCurr.m.SizeBytes()
+	m.HourMetricIDCacheSizeBytes += hmPrev.m.SizeBytes()
 
 	s.idb().UpdateMetrics(&m.IndexDBMetrics)
 	s.tb.UpdateMetrics(&m.TableMetrics)