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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-3625) IGFS: Use common naming for IGFS meta and data caches.
Date Thu, 13 Oct 2016 06:43:20 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-3625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Vladimir Ozerov updated IGNITE-3625:
    Fix Version/s:     (was: 1.8)

> IGFS: Use common naming for IGFS meta and data caches.
> ------------------------------------------------------
>                 Key: IGNITE-3625
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3625
>             Project: Ignite
>          Issue Type: Task
>          Components: IGFS
>    Affects Versions: 1.6
>            Reporter: Vladimir Ozerov
>            Assignee: Taras Ledkov
>             Fix For: 2.0
> Currently IGFS is configured by passing names of two caches: meta and data. See {{FileSystemConfiguration.metaCacheName}}
and {{FileSystemConfiguration.dataCacheName}}.
> These two caches are considered internal then and are not accessible for the user.
> We need to do the following during node startup:
> 1) If certain cache is configured as meta or data cache for multiple IGFS-es, or if it
is configured as both meta and data cache for a single IGFS, then throw an exception.
> Relevant code pieces:
> {{IgfsProcessor.validateLocalIgfsConfigurations}}
> {{IgfsProcessorSelfTest}}.
> 2) During node startup change the name of this cache to {{igfs-IGFS_NAME-meta}} or {{igfs-IGFS_NAME-data}}.
Change must be performed both inside IGFS config and cache config.
> Relevant code pieces:
> {{CacheConfiguration.name}}
> {{FileSystemConfiguration.metaCacheName}}
> {{FileSystemConfiguration.dataCacheName}}
> {{IgfsUtils.prepareCacheConfiguration}} - where change will be done.
> 3) If any of new names caches with any other cache name, an exception should be thrown.
The most simple way: throw an exception if user-configured cache name starts with {{igfs-}}
and ends with {{-meta}} or {{-data}}.
> Relevant code pieces:
> {{IgniteNamedInstance.initializeDefaultCacheConfiguration}}.

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