lib/mergeset: adds tracking for indexdb records drop #6297
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It allows to create alert for possible item drops at indexdb. It may happen, if ingested metric size exceeds max indexdb item size.
Co-authored-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
* use `increase` instead of `rate`, because `increase` can capture increase of metric if it was incremented before the first scrape. While `rate` will always produce 0 in this case; * explicitly specify the look-behind window for rollup function, so it work predictable for all installations; * rephrase the alerting rule to provide additional info to the user; * move the alerting rule to `health` list as it is related to single and cluster installations * typo fix Signed-off-by: hagen1778 <roman@victoriametrics.com>
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It allows to create alert for possible item drops at indexdb. It may happen, if ingested metric size exceeds max indexdb item size. --------- Signed-off-by: hagen1778 <roman@victoriametrics.com> Co-authored-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> Co-authored-by: hagen1778 <roman@victoriametrics.com> (cherry picked from commit 69d244e) Signed-off-by: hagen1778 <roman@victoriametrics.com>
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It allows to create alert for possible item drops at indexdb. It may happen, if ingested metric size exceeds max indexdb item size.