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[Morgan Fainberg <morgan.fainberg@xxxxxxxxx>]

This is likely unfixable with the current state of affairs. we will need
to deal with conflicts etc as the arise in code.

** Changed in: keystone
       Status: Triaged => Won't Fix

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https://bugs.launchpad.net/bugs/1282229

Title:
  Race Conditions in SQLAlchemy Select, Update, Flush Transactions

Status in OpenStack Identity (keystone):
  Won't Fix

Bug description:
  In cases where Keystone does a SQL query, update a field (or set of
  fields) on the model object, flush/update/commit the transaction,
  there is potentially a race condition. Since an explicit
  .with_lockmode('update') is not called, it is possible for a second
  (think apache WSGI) keystone process to also perform an update on the
  same row (or set of rows) causing the potential for loss of data.

  This mostly presents in the case of the 'Extra' fields on the SQL
  models, but potentially could affect a broader base (all SQL drivers
  need to be evaluated).

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