[7.x] [Uptime] Use scripted metric for snapshot calculation (#58247) (#58389)#58415
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andrewvc merged 3 commits intoelastic:7.xfrom Feb 25, 2020
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[7.x] [Uptime] Use scripted metric for snapshot calculation (#58247) (#58389)#58415andrewvc merged 3 commits intoelastic:7.xfrom
andrewvc merged 3 commits intoelastic:7.xfrom
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…elastic#58389) Fixes elastic#58079 This is an improved version of elastic#58078 Note, this is a bugfix targeting 7.6.1 . I've decided to open this PR directly against 7.6 in the interest of time. We can forward-port this to 7.x / master later. This patch improves the handling of timespans with snapshot counts. This feature originally worked, but suffered a regression when we increased the default timespan in the query context to 5m. This means that without this patch the counts you get are the maximum total number of monitors that were down over the past 5m, which is not really that useful. We now use a scripted metric to always count precisely the number of up/down monitors. On my box this could process 400k summary docs in ~600ms. This should scale as shards are added. I attempted to keep memory usage relatively slow by using simple maps of strings.
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@elasticmachine merge upstream |
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@elasticmachine merge upstream |
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Backports the following commits to 7.x: