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by bogomipz
2733 days ago
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>"I can't possibly hope to change your mind but stability issues with union filesystem driver in docker(part of it was not even docker's problem)" Can you outline what those stability issues are/were? Was the non-Docker part of the problem kernel related? Genuinely curious. |
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The filesystem drivers are buggy as fuck. You would experience kernel panics on Debian Jessie (overlayFS), or containers + docker daemon hanging on CentOS 6 (devicemapper). The fix in both cases is a reboot.
You might not notice it if you barely used docker, but it can be very outstanding at scale. I've been consulting briefly at a major web company that was deploying their web services to 5-20 nodes, daily. On every service deployment there would be up to 3 nodes dying.