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From "Alexei Scherbakov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-11793) Improve isolated updater mode.
Date Tue, 23 Apr 2019 07:31:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-11793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexei Scherbakov updated IGNITE-11793:
---------------------------------------
    Description: 
Currently with isolated updater (datastreamer + allowOverride=false) even for transactional
mode counters are generated independently on all owners.

In case of some nodes fail there is high risk of partition desync.

Also this mode couldn't be used together with concurrent transactions after IGNITE-10078.

I suggest to introduce special loading mode for cache where concurrent updates are prohibited
until initial data loading (using isolated updater) is completed.

 

 

  was:
Currently with isolated updater (datastream + allowOverride=false) even for transactional
mode counters are generated independently on all owners.

In case of some nodes fail there is high risk of partition desync.

Also this mode couldn't be used together with concurrent transactions after IGNITE-10078.

I suggest to introduce special loading mode for cache where concurrent updates are prohibited
until initial data loading (using isolated updater) is completed.

 

 


> Improve isolated updater mode.
> ------------------------------
>
>                 Key: IGNITE-11793
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11793
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Alexei Scherbakov
>            Priority: Major
>
> Currently with isolated updater (datastreamer + allowOverride=false) even for transactional
mode counters are generated independently on all owners.
> In case of some nodes fail there is high risk of partition desync.
> Also this mode couldn't be used together with concurrent transactions after IGNITE-10078.
> I suggest to introduce special loading mode for cache where concurrent updates are prohibited
until initial data loading (using isolated updater) is completed.
>  
>  



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