Valentin Kulichenko created IGNITE-6575:
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Summary: IgniteCache#get can return stale value when executed on backup
Key: IGNITE-6575
URL:
https://issues.apache.org/jira/browse/IGNITE-6575 Project: Ignite
Issue Type: Bug
Components: cache
Affects Versions: 2.2
Reporter: Valentin Kulichenko
If write sync mode is {{PRIMARY_SYNC}} and {{readFromBackup=true}} (both values are defaults), calling {{get}} right after {{put}} for the same key in the same thread can return stale value. This happens because even local backup is updated asynchronously.
This is very confusing behavior for a user, would be good to make sure to update local backup synchronously even in {{PRIMARY_SYNC}} mode.
More details here:
http://apache-ignite-developers.2346864.n4.nabble.com/PRIMARY-SYNC-readFromBackup-semantics-td22900.html--
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