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uWSGI did not restart the app on connection loss #534

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k0machi opened this issue Dec 9, 2024 · 0 comments · May be fixed by #539
Open

uWSGI did not restart the app on connection loss #534

k0machi opened this issue Dec 9, 2024 · 0 comments · May be fixed by #539
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k0machi commented Dec 9, 2024

Happened today, caused the app to be innaccessible for 6 hours:

Dec 09 02:26:36 ip-10-0-2-112 bash[1563490]: cassandra.OperationTimedOut: errors=Failed to create all new connection pools in the %ss timeout., last_host=None
Dec 09 02:26:36 ip-10-0-2-112 bash[1563490]: unable to load app 0 (mountpoint='') (callable not found or import error)
Dec 09 02:26:36 ip-10-0-2-112 bash[1563490]: mounting argus_backend:argus_app on /

Need to check configuration to instead cause an auto restart in such situations.
@k0machi k0machi self-assigned this Dec 9, 2024
@k0machi k0machi added the bug Something isn't working label Dec 9, 2024
@fruch fruch removed the bug Something isn't working label Dec 10, 2024
k0machi added a commit to k0machi/argus that referenced this issue Dec 16, 2024
@k0machi
fix(start_argus.sh): Disable uwsgi dynamic app mode
3d257ab 
Per https://uwsgi-docs.readthedocs.io/en/latest/FallbackConfig.html this
disables uWSGI "no app loaded" mode to prevent issues such as scylladb#534 from
occuring

Fixes scylladb#534
@k0machi k0machi linked a pull request Dec 16, 2024 that will close this issue
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fix(start_argus.sh): Disable uwsgi dynamic app mode k0machi/argus
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@fruch @k0machi