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From "Dmitriy Pavlov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-5553) Ignite PDS 2: IgnitePersistentStoreDataStructuresTest testSet assertion error
Date Fri, 23 Mar 2018 14:09:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-5553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16411433#comment-16411433
] 

Dmitriy Pavlov commented on IGNITE-5553:
----------------------------------------

Hi [~ilantukh], 

I've checked changes but stil need advice if it safe to initialize set this way
https://reviews.ignite.apache.org/ignite/review/IGNT-CR-508

Could you please take a look to CacheDataStructuresManager and its initialization stages.

> Ignite PDS 2: IgnitePersistentStoreDataStructuresTest testSet assertion error
> -----------------------------------------------------------------------------
>
>                 Key: IGNITE-5553
>                 URL: https://issues.apache.org/jira/browse/IGNITE-5553
>             Project: Ignite
>          Issue Type: Bug
>          Components: data structures, persistence
>    Affects Versions: 2.1
>            Reporter: Dmitriy Pavlov
>            Assignee: Pavel Pereslegin
>            Priority: Major
>              Labels: MakeTeamcityGreenAgain, Muted_test, test-fail
>             Fix For: 2.5
>
>
> h2. Notes-4435
> When IgniteSet is restored from persistence, size of set is always 0, [link to test history|http://ci.ignite.apache.org/project.html?projectId=Ignite20Tests&testNameId=-7043871603266099589&tab=testDetails].
> h2. Detailed description
> Unlike *IgniteQueue* which uses separate cache key to store its size *IgniteSet* stores
it in a field of some class.
> Test from the link above shows very clearly that after restoring memory state from PDS
all set values are restored correctly but size is lost.
> h2. Proposed solution
> One possible solution might be to do the same thing as *IgniteQueue* does: size of *IgniteSet*
must be stored is cache instead of volatile in-memory fields of random classes.



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