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https://issues.apache.org/jira/browse/IGNITE-5215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Rakov reassigned IGNITE-5215:
----------------------------------

    Assignee: Alexey Goncharuk  (was: Ivan Rakov)

> Allow user to configure memory policy with maxSize lesser than default 
> initialSize
> ----------------------------------------------------------------------------------
>
>                 Key: IGNITE-5215
>                 URL: https://issues.apache.org/jira/browse/IGNITE-5215
>             Project: Ignite
>          Issue Type: Improvement
>          Components: cache
>    Affects Versions: 2.0
>            Reporter: Ivan Rakov
>            Assignee: Alexey Goncharuk
>
> Attempt to create memory policy with small maxSize ends with error:
> {noformat}
> Caused by: class org.apache.ignite.IgniteCheckedException: MemoryPolicy 
> maxSize must not be smaller than initialSize [name=dfltMemPlc, initSize=268,4 
> MB, maxSize=209,7 MB]
>       at 
> org.apache.ignite.internal.processors.cache.database.IgniteCacheDatabaseSharedManager.checkPolicySize(IgniteCacheDatabaseSharedManager.java:419)
>       at 
> org.apache.ignite.internal.processors.cache.database.IgniteCacheDatabaseSharedManager.validateConfiguration(IgniteCacheDatabaseSharedManager.java:337)
>       at 
> org.apache.ignite.internal.processors.cache.database.IgniteCacheDatabaseSharedManager.init(IgniteCacheDatabaseSharedManager.java:112)
>       at 
> org.apache.ignite.internal.processors.cache.database.IgniteCacheDatabaseSharedManager.start0(IgniteCacheDatabaseSharedManager.java:99)
>       at 
> org.gridgain.grid.internal.processors.cache.database.GridCacheDatabaseSharedManager.initDataBase(GridCacheDatabaseSharedManager.java:493)
>       at 
> org.gridgain.grid.internal.processors.cache.database.GridCacheDatabaseSharedManager.start0(GridCacheDatabaseSharedManager.java:436)
>       at 
> org.apache.ignite.internal.processors.cache.GridCacheSharedManagerAdapter.start(GridCacheSharedManagerAdapter.java:53)
>       at 
> org.apache.ignite.internal.processors.cache.GridCacheProcessor.start(GridCacheProcessor.java:644)
>       at 
> org.apache.ignite.internal.IgniteKernal.startProcessor(IgniteKernal.java:1763)
>       ... 29 more
> {noformat}
> This can be easily fixed by setting initialSize. Though, it would be better 
> to don't oblige user to spend time on fixing it.



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