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From "Valentin Kulichenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-4812) Disable EventStorageSpi by default
Date Sat, 18 Mar 2017 10:55:42 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-4812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15931180#comment-15931180
] 

Valentin Kulichenko commented on IGNITE-4812:
---------------------------------------------

Alper, I remember about you and will review as soon as possible. BTW, if PR is ready, ticket
should be moved to Patch Available state.

> 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
>            Assignee: Alper Tekinalp
>             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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