In which case I'd suggest producing an additional metric where the value is the
unix timestamp of the last update. You can then update your dashboard query to
exclude those which haven't been updated for a certain length of time.
However I would caution against getting too close to trying to
Hi stuart,
Thanks for your prompt response.
I m trying to create a tabel dashboard on grafana showing current tabel
undergoing checksumming and its completion percentage. As i collect these
metrics from a file where these values get printed as things progress. But when
i plot this tabel
Until a new value is scraped, that 48% is the current value.
As a metrics system Prometheus scrapes values regularly. As a result it is
unlikely that a scrape will fall exactly on the moment needed for a query to be
processed. Instead Prometheus will look back to find the latest value and use
I have a Grok exporter gauge metric which returning mysql checksum
completion percentage by reading and parsing from a file. I'm using grafana
dashboard to visualize Prometheus values.
[image: Screenshot 2020-05-24 at 9.51.00 PM.png]
Problem is Prometheus holding last value of metric until a
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