Count of $AggregateResultsJson & trigger on

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Brendan Grant

• December 18, 2017 22:35

I'm attempting to build a scheduled search based on certain aggregate values, something like the following:

 

"Specific Search Criteria" | *filter based on environment* | parse "FooId:* " as _foo | count(_foo) by _foo | sort _count | where _count > *some_threshold*

 

This query works great for viewing a list of Foo's which have occurred more than X times in the search window, which ends up being accessible via the $AggregateResultsJson variable. I can fire this off via the Webhook to Slack just fine, the problem is that I want to trigger it only when the count of $AggregateResultsJson is say, non zero... and even be able to display that value in the Slack message.

$NumRawResults contains the number of messages processed prior to my filtering, but there seems to be nothing like a $NumAggregateResults.

Is there another way that I am missing?

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  andrew fowler

  • January 31, 2018 19:47

  No. The question was about how many entries are in aggregations, not the raw search result count. To put it in a another way, Webhooks have a "RawResultsJson" and a "AggregateResultsJson", but only one of them has a corresponding count ("NumRawResults").

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  Nick Wilson

  • January 31, 2018 20:01

  Hi Andrew,

  I think I understand what you're getting at here, and I hope this feature request would fix what you're trying to solve: https://sumologic.aha.io/ideas/SL-I-1856

  This will basically allow you to include specific fields in the webhook payload, so you could, for example, report your count field in that payload.

  Is that what you're looking for? If you would like, we are doing a beta on this feature right now and looking for customers to test it out.

  Thanks,
  Nick
  Customer Success, Sumo Logic

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  Jason Ziaja

  • February 09, 2018 18:03

  Having a $NumAggregateResults is also something I found needing today when working on a new Sumo -> Slack webhook.  For my use case, the query I'm using aggregates specific ids found in our logs over the past 24 hours.  The message I'd like to send to Slack should include the total row count of the aggregated results, not the number of individual messages.

  To Nick's point, having the ability to access specific fields in the aggregation would definitely be desirable as well.  I'd have to play around with that feature to see if it could be a good alternative to having something like $NumAggregateResults.

  Thanks!

  Jason

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  Greg Dennis

  • February 18, 2021 21:44

  Has any progress been made on this?  It's been three years.  I would also like to send the number of aggregate results.

  Also, that "aha" link is authenticated, and I (and probably others) can't access it to see if there was any workaround or solution contained within.

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  Olaf Stein

  • December 26, 2017 18:07

  Hi Brendan,

  if I understand correctly the issue is not in your query, but the alerting condition. You have a threshold in the alert, meaning the search only returns something if the alert condition is true. When scheduling the search, there are 2 settings you need to add:

  1) Alert condition: If the following condition is met (instead of every time the search is complete)

  2) Number of Results: Greater than 0

  This will ensure that you only post to slack if the search actually returns a result.

  Let me know if this does not answer this question.

  Thanks

  Olaf

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