Merge pull request ganglia#117 from maplebed/memcache.add_eviction_rate

vvuksan · vvuksan · commit a2c6aa75dd47 · 2013-09-04T12:22:42.000-07:00
adding eviction rate in addition to absolute number of evictions.
diff --git a/memcached/conf.d/memcached.conf b/memcached/conf.d/memcached.conf
@@ -85,6 +85,11 @@ collection_group {
     title = "Number of valid items removed from cache to free memory for new items"
     value_threshold = 0
   }
+  metric {
+    name  = "mc_evictions_rate"
+    title = "Rate of valid items removed from cache to free memory for new items"
+    value_threshold = 0
+  }
   metric {
     name  = "mc_get_hits"
     title = "Number of keys that have been requested and found present "
diff --git a/memcached/python_modules/memcached.py b/memcached/python_modules/memcached.py
@@ -214,6 +214,12 @@ def metric_init(params):
                 "slope"      : "both",
                 "description": "Number of valid items removed from cache to free memory for new items",
                 }))
+    descriptors.append(create_desc(Desc_Skel, {
+                "name"       : mp+"_evictions_rate",
+                "units"      : "items",
+                "slope"      : "both",
+                "description": "Evictions per second",
+                }))
     descriptors.append(create_desc(Desc_Skel, {
                 "name"       : mp+"_get_hits",
                 "units"      : "items",
