Valentin Kulichenko created IGNITE-4812:
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Summary: Disable EventStorageSpi by default
Key: IGNITE-4812
URL: https://issues.apache.org/jira/browse/IGNITE-4812
Project: Ignite
Issue Type: Bug
Components: general
Affects Versions: 1.9
Reporter: Valentin Kulichenko
Fix For: 2.0
Current default implementation of {{EventStorageSpi}} is
{{MemoryEventStorageSpi}}. It consumes a lot of memory, while is used only for
events querying (i.e. not listening), which is a fairly rare use case.
Need to:
* Introduce {{NoOpEventStorageSpi}}.
* Make {{NoOpEventStorageSpi}} the default one.
* Throw an exception when {{IgniteEvents#localQuery}} or {{#remoteQuery}}
method is called with default setting. Exception message should explain how to
fix it.
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