Troubleshooting aids » History » Version 5
Tom Clegg, 04/03/2024 08:23 PM
| 1 | 1 | Tom Clegg | h1. Troubleshooting aids |
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| 3 | Troubleshoot usage problems: |
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| 4 | * Improve error messages (e.g., clients should not crash and dump stack when a server is slow/unresponsive) |
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| 5 | |||
| 6 | Troubleshoot compute nodes/images: |
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| 7 | * {{issue(21581)}} |
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| 8 | * {{issue(21424)}} |
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| 9 | |||
| 10 | Troubleshoot arvados system services: |
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| 11 | * Save snapshot of internals (goroutines / memory profile) of specified system service(s) to a collection, and provide instructions for viewing |
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| 12 | * Save last N minutes of logs from all arvados services running on this host |
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| 13 | 2 | Tom Clegg | * Turn on debug mode temporarily, without restarting services |
| 14 | 4 | Tom Clegg | * Option to send railsapi logs to journal or stderr |
| 15 | 5 | Tom Clegg | * Option to send go service logs to journal directly (structured, including loglevel) |
| 16 | 1 | Tom Clegg | |
| 17 | Expose config/scaling issues: |
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| 18 | * Scan metrics for recent "near/at capacity" signals |
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| 19 | * Probe for proper nginx/proxy config (e.g., max request body size) |