[blockchain] Add database file size metric #4185
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blockchain/blockchain.go
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| @@ -45,6 +49,14 @@ var ( | |||
| }, | |||
| []string{"type"}, | |||
| ) | |||
| fileSizeMtc = prometheus.NewGaugeVec( | |||
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Three ways to monitor the file size:
- Export the metrics directly from the cloud service.
- Run a daemon service or process to report the metrics.
- Monitor the metrics in db_bolt.go.
The last one is the least preferred if the first two can't work.
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for 1, it should only be able to monitor at the mount level and cannot monitor specific files.
for 2, it may be a heavy changes for this small requirement.
I think 3 is a good approach that can also address the monitoring of chain-000000xx.db files mentioned above.
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for 2, there have been existing tools to use, like https://github.com/prometheus/node_exporter
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #4185 +/- ##
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+ Coverage 75.38% 76.75% +1.37%
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Files 303 340 +37
Lines 25923 29268 +3345
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+ Hits 19541 22465 +2924
- Misses 5360 5697 +337
- Partials 1022 1106 +84 ☔ View full report in Codecov by Sentry. |
Description
Fixes #4160
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