Collector fails to restart with persistent queue and health check enabled #32456
Comments
ElfoLiNk
added
bug
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Pinging code owners:
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Pinging code owners for extension/healthcheck: @jpkrohling. See Adding Labels via Comments if you do not have permissions to add labels yourself. |
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I think the issue is related to compation on_start enabled, disabling it collector passes the health check. Would be good to have a startup probe for this maybe instead of heavily changing the liveness check. Opened open-telemetry/opentelemetry-helm-charts#1152 |
…n temporary files (#32863) **Description:** This PR includes a new flag **cleanup_on_start** for the compaction section. During compaction a copy of the database is created, when the process is unexpectedly terminated that temporary file is not removed. That could lead to disk exhaustion given the following scenario: - Process is killed with a big database to be compacted - Compaction is enabled on start - Process will take longer to compact than the allotted time for the collector to reply health checks (see: #32456) - Process is killed while compacting - Big temporary file left This mitigates the potential risk of those temporary files left in a short period of time, by this scenario or similar ones. **Testing:** Included corner case where two instances of the extensions are spawned and one is compacting while the other would attempt to cleanup. **Documentation:** Included description in the README of the new configuration flag --------- Co-authored-by: Daniel Jaglowski <jaglows3@gmail.com>
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This issue has been inactive for 60 days. It will be closed in 60 days if there is no activity. To ping code owners by adding a component label, see Adding Labels via Comments, or if you are unsure of which component this issue relates to, please ping Pinging code owners:
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Component(s)
extension/storage/filestorage
extension/healthcheck
What happened?
Description
Pod goes in crashloopbackoff when restarted with persistent queue enabled
Steps to Reproduce
Configure a filestorage extension and use it in a persistent queue in export
Expected Result
Should start normally after a restart
Actual Result
Fails to start due to liveness probe failures
Collector version
0.97.0
Environment information
Environment
AKS
Helm Chart Opentelemetry Collector Statefulset
OpenTelemetry Collector configuration
Log output
2024-04-16T17:23:06.087Z info service@v0.97.0/service.go:143 Starting otelcol-contrib... {"Version": "0.97.0", "NumCPU": 8} 2024-04-16T17:23:06.087Z info extensions/extensions.go:34 Starting extensions... 2024-04-16T17:23:06.087Z info extensions/extensions.go:37 Extension is starting... {"kind": "extension", "name": "file_storage/queue"} 2024-04-16T17:23:06.087Z info extensions/extensions.go:52 Extension started. {"kind": "extension", "name": "file_storage/queue"} 2024-04-16T17:23:06.087Z info extensions/extensions.go:37 Extension is starting... {"kind": "extension", "name": "health_check"} 2024-04-16T17:23:06.087Z info healthcheckextension@v0.97.0/healthcheckextension.go:35 Starting health_check extension {"kind": "extension", "name": "health_check", "config": {"Endpoint":"192.169.1.83:13133","TLSSetting":null,"CORS":null,"Auth":null,"MaxRequestBodySize":0,"IncludeMetadata":false,"ResponseHeaders":null,"Path":"/","ResponseBody":null,"CheckCollectorPipeline":{"Enabled":false,"Interval":"5m","ExporterFailureThreshold":5}}} 2024-04-16T17:23:06.088Z info extensions/extensions.go:52 Extension started. {"kind": "extension", "name": "health_check"}Additional context
Debug logs:
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