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action #127265

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Add timestamp to influxdb openqa_download_rate size:M

Added by tinita about 1 year ago. Updated 11 months ago.

Status:
Workable
Priority:
Low
Assignee:
-
Category:
Feature requests
Target version:
Start date:
Due date:
% Done:

0%

Estimated time:

Description

Motivation

The endpoint is /influxdb/minion - note that it is only accessible within the worker.

At the end of a download we measure the download rate and save it to the minion database.
When the influxdb route is called by telegraf, we report this value, even if it stays the same
because no new download happened meanwhile.
But the download rate is just measured at a certain point, so it would be more correct to add a timestamp
to the influxdb output, so it wouldn't record the same value for different timestamps.
It would also result in less data in the influxdb.

Acceptance criteria

  • AC1: The timestamp of the last update is included in each row
  • AC2: InfluxDB does not take records if the data does not change anyways
  • AC3: Graphs on Grafana are not impacted (e.g. no gaps)

Suggestions

  • Make sure not to confuse the similarly named webui endpoint with this one, this feature is about the cache service running on workers
  • Introduce a new field in the database that saves the timestamp of the last update.
  • Use the metrics sqlite storage from the cache service

Related issues 1 (0 open1 closed)

Copied from openQA Infrastructure - action #127055: [alert] Download rate alert openQA (openqaworker{14,16,17,18})Resolvedmkittler2023-04-012023-04-19

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