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From "Valentin Kulichenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-4812) Disable EventStorageSpi by default
Date Fri, 10 Mar 2017 09:34:04 GMT
Valentin Kulichenko created IGNITE-4812:
-------------------------------------------

             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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