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add comment about downsampling

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This commit is contained in:
Brian Gough 2019-03-22 11:18:34 +00:00
parent 695472a8aa
commit c5a09fcf0a
1 changed files with 1 additions and 1 deletions
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services/real-time/app/coffee/EventLogger.coffee
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@ -22,7 +22,7 @@ module.exports = EventLogger =
# store the last count in a hash for each host
previous = EventLogger._storeEventCount(key, count)
if !previous? || count == (previous + 1)
metrics.inc "event.#{channel}.valid", 0.001
metrics.inc "event.#{channel}.valid", 0.001 # downsample high rate docupdater events
return # order is ok
if (count == previous)
metrics.inc "event.#{channel}.duplicate"