vm-patch-metrics's Introduction

vm-patch-metrics

vm-patch-metrics is a helper tool for VictoriaMetrics. I wrote it for removing "bad" points from metrics without losing the rest of the metrics.

What it does:

Exports the matching metrics to a .jsonl file
Removes datapoints from each line that fall within the -remove-start and -remove-end times, writing them to a new .jsonl file
Deletes the matching metrics from VictoriaMetrics. (For all time!)
Imports the metrics without the removed dates back into VictoriaMetrics.

This is a quick project and I won't guarantee you won't lose data in the process. You've been warned!

Usage:

Usage of vm-replace-metrics:
    -export-end string
        End time for the exported metrics (default: current time)
    -export-start string
        Start time for the exported metrics
    -file string
        File path to export metrics to (default "./metrics.jsonl")
    -match string
        Metric expression to export from VM
    -password string
        VM user password to authenticate
    -remove-end string
        End time of the points to remove from exported metrics (default: current time)
    -remove-start string
        Start time of the points to remove from exported metrics
    -url string
        VM url (default "http://localhost:8428")
    -user string
        VM user to authenticate
    -insecure bool
        Ignore server certificate issues

Example of removing December 1-4, 2022 data from data exported since Jan 1, 2020:

-user user -password password
-match 'my_cool_metric{mylabel="a", otherlabel=~"b_.*"}'
-export-start 2020-01-01T00:00:00+05:00
-remove-start 2022-12-01T00:00:00Z05:00
-remove-end 2022-12-05T00:00:00Z05:00

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