Alexander Kolbasov created SENTRY-1486:
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Summary: Sentry should use repeatable-read consistency level
Key: SENTRY-1486
URL: https://issues.apache.org/jira/browse/SENTRY-1486
Project: Sentry
Issue Type: Bug
Components: Sentry
Affects Versions: 1.7.0, sentry-ha-redesign
Reporter: Alexander Kolbasov
Assignee: Alexander Kolbasov
Currently Sentry uses the "read-committed" consistency level which is the
default for the Datanucleus JDO library. This causes potential problems since
the state visible to each transaction can actually see updates from another
transactions, so it is very difficult to reason about any code that reads
multiple pieces of data.
Instead it should use repeatable read" consistency which guarantees that any
transaction only sees the state at the beginning of a transaction plus any
updates done within a transaction.
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