17 lines
967 B
YAML
17 lines
967 B
YAML
---
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other:
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In case of infrastructure failures like non-responsive cells, prior to
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`change e3534d`_ we raised an API 500 error. However currently when
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listing instances or migrations, we skip that cell and display results from
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the up cells with the aim of increasing availability at the expense of
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accuracy. If the old behaviour is desired, a new flag called
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``CONF.api.list_records_by_skipping_down_cells`` has been added which can
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be set to False to mimic the old behavior. Both of these potential
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behaviors will be unified in an upcoming microversion done through the
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`blueprint handling-down-cell`_ where minimal constructs would be returned
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for the down cell instances instead of raising 500s or skipping down cells.
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.. _change e3534d : https://review.opendev.org/#/q/I308b494ab07f6936bef94f4c9da45e9473e3534d
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.. _blueprint handling-down-cell: https://blueprints.launchpad.net/nova/+spec/handling-down-cell
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