Public bug reported:
Allow retry on db retriable error by precommit mothod.
Currently ML2 driver manager swallows all exceptions by mechanism driver and
return errors to user.
However, there are classes of retriable db errors(DBDeadlock, taleDataError,
DDuplicateEntry, TretryRequest).
With those error by precommit, it's better to allow
neutron.api.v2.base.Controller to retry request.
Sometimes, those db error by precommit is inevitable. Especially subnet
operation touches many resources(port, ip address, etc).
** Affects: neutron
Importance: Undecided
Assignee: Isaku Yamahata (yamahata)
Status: New
** Tags: ml2 rfe
** Tags added: rfe
** Tags added: ml2
** Changed in: neutron
Assignee: (unassigned) => Isaku Yamahata (yamahata)
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https://bugs.launchpad.net/bugs/1609184
Title:
[RFE] ML2: Allow retry on db error by precommit
Status in neutron:
New
Bug description:
Allow retry on db retriable error by precommit mothod.
Currently ML2 driver manager swallows all exceptions by mechanism driver and
return errors to user.
However, there are classes of retriable db errors(DBDeadlock, taleDataError,
DDuplicateEntry, TretryRequest).
With those error by precommit, it's better to allow
neutron.api.v2.base.Controller to retry request.
Sometimes, those db error by precommit is inevitable. Especially
subnet operation touches many resources(port, ip address, etc).
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https://bugs.launchpad.net/neutron/+bug/1609184/+subscriptions
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