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More memcached metrics #185

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More memcached metrics #185

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771827d
Merge pull request #1 from SuperQ/memcache-select-exceptions
SuperQ Feb 11, 2015
b4d92e3
Add additional memcached ganglia metrics
bjk-soundcloud Feb 11, 2015
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21 changes: 20 additions & 1 deletion memcached/conf.d/memcached.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -110,5 +110,24 @@ collection_group {
title = "Misses/sec"
value_threshold = 0
}

metric {
name = "mc_reclaimed"
title = "Number of times an entry was stored using memory from an expired entry"
value_threshold = 0
}
metric {
name = "mc_expired_unfetched"
title = "Items pulled from LRU that were never touched by get/incr/append/etc before expiring"
value_threshold = 0
}
metric {
name = "mc_evicted_unfetched"
title = "Items evicted from LRU that were never touched by get/incr/append/etc."
value_threshold = 0
}
metric {
name = "mc_crawler_reclaimed"
title = "Total items freed by LRU Crawler"
value_threshold = 0
}
}
21 changes: 20 additions & 1 deletion memcached/conf.d/memcached.conf.tmpl
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Original file line number Diff line number Diff line change
Expand Up @@ -105,5 +105,24 @@ collection_group {
title = "Misses/sec"
value_threshold = 0
}

metric {
name = "mc_reclaimed"
title = "Number of times an entry was stored using memory from an expired entry"
value_threshold = 0
}
metric {
name = "mc_expired_unfetched"
title = "Items pulled from LRU that were never touched by get/incr/append/etc before expiring"
value_threshold = 0
}
metric {
name = "mc_evicted_unfetched"
title = "Items evicted from LRU that were never touched by get/incr/append/etc."
value_threshold = 0
}
metric {
name = "mc_crawler_reclaimed"
title = "Total items freed by LRU Crawler"
value_threshold = 0
}
}
28 changes: 28 additions & 0 deletions memcached/python_modules/memcached.py
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Expand Up @@ -254,6 +254,30 @@ 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+"_reclaimed",
"units" : "items",
"slope" : "both",
"description": "Number of times an entry was stored using memory from an expired entry",
}))
descriptors.append(create_desc(Desc_Skel, {
"name" : mp+"_expired_unfetched",
"units" : "items",
"slope" : "both",
"description": "Items pulled from LRU that were never touched by get/incr/append/etc before expiring",
}))
descriptors.append(create_desc(Desc_Skel, {
"name" : mp+"_evicted_unfetched",
"units" : "items",
"slope" : "both",
"description": "Items evicted from LRU that were never touched by get/incr/append/etc.",
}))
descriptors.append(create_desc(Desc_Skel, {
"name" : mp+"_crawler_reclaimed",
"units" : "items",
"slope" : "both",
"description": "Total items freed by LRU Crawler",
}))
descriptors.append(create_desc(Desc_Skel, {
"name" : mp+"_get_hits",
"units" : "items",
Expand Down Expand Up @@ -313,6 +337,10 @@ def metric_init(params):
mp+"_limit_maxbytes",
mp+"_curr_connections",
mp+"_evictions",
mp+"_reclaimed",
mp+"_expired_unfetched",
mp+"_evicted_unfetched",
mp+"_crawler_reclaimed",
]:
descriptors.remove(d)
for d in descriptors:
Expand Down