Fix metric name for disk's pending operations
New collectd versions (eg 5.5) send the number of pending operations
per disk. This change fixes the metric name to
'disk_pending_operations' instead of 'pending_operations'.
Change-Id: I4b74c7fc1968bb2bfc474768593add6783d4238e
diff --git a/heka/files/lua/decoders/collectd.lua b/heka/files/lua/decoders/collectd.lua
index 7978bd2..0cf54cd 100644
--- a/heka/files/lua/decoders/collectd.lua
+++ b/heka/files/lua/decoders/collectd.lua
@@ -137,6 +137,8 @@
elseif metric_source == 'disk' then
if sample['type'] == 'disk_io_time' then
msg['Fields']['name'] = 'disk' .. sep .. sample['dsnames'][i]
+ elseif sample['type'] == 'pending_operations' then
+ msg['Fields']['name'] = 'disk' .. sep .. sample['type']
else
msg['Fields']['name'] = metric_name
end