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[GH-ISSUE #1335] Pangolin postgres excessive CPU and Disk I/O causing VM to be inaccessible and unresponsive #16841
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Originally created by @abpai94 on GitHub (Aug 25, 2025).
Original GitHub issue: https://github.com/fosrl/pangolin/issues/1335
Version:
pangolin:postgresql-1.8.0Deployment:
dockerI found the server inaccessible with CPU usuage at 150% and the disk IO hitting 11,000 blocks/s. I am unsure the cause of the issue but saw the following logs which might help other if they encounter the same issue. I will update to the newer 1.9.0 as it was released recently hopefully mitigating the issue.
The pangolin web UI and all services connected to it were completely inaccessibly. I couldn't even SSH into the machine.
Its entirely possible its an issue with the postgres instance I am running. I will add more information if/when I discover them.
@oschwartz10612 commented on GitHub (Aug 31, 2025):
Hum this is strange. Was this only one time? Do you have anything else
running on the VPS?
Thinking those errors are related to the CPU & mem being pinned - just
cascading failures with it saying it cant connect to the db and stuff.
It could be a system crash or something else - or it could be caused by
pangolin. Maybe you were hit with a wave of traffic and it reacted poorly?
@github-actions[bot] commented on GitHub (Sep 15, 2025):
This issue has been automatically marked as stale due to 14 days of inactivity. It will be closed in 14 days if no further activity occurs.