[jira] [Updated] (IGNITE-6210) Inefficient memory consumption for checkpoint buffer

["Aleksey Chetaev (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-6210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Chetaev updated IGNITE-6210:
------------------------------------
    Summary: Inefficient memory consumption for checkpoint buffer  (was: inefficient memory consumption for checkpoint buffer)

> Inefficient memory consumption for checkpoint buffer
> ----------------------------------------------------
>
>                 Key: IGNITE-6210
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6210
>             Project: Ignite
>          Issue Type: Bug
>          Components: persistence
>    Affects Versions: 2.1
>            Reporter: Dmitriy Govorukhin
>            Assignee: Dmitriy Govorukhin
>            Priority: Critical
>             Fix For: 2.3
>
>
> Current implementation allows configure checkpoint buffer size in PersistentStoreConfiguration, but checkpoint buffer will be created for each memory configuration with size equals the one indicated in PersistentStoreConfiguration.
> For example:
> {code}
>         PersistentStoreConfiguration prCfg = new PersistentStoreConfiguration();
>         prCfg.setCheckpointingFrequency(5L * 1024L * 1024L * 1024L); // 5GB.
>         MemoryConfiguration memCfg = new MemoryConfiguration();
>         MemoryPolicyConfiguration pl1 = new MemoryPolicyConfiguration();
>         pl1.setMaxSize(100L * 1024L * 1024L); // 100 Mb.
>         MemoryPolicyConfiguration pl2 = new MemoryPolicyConfiguration();
>         pl2.setMaxSize(10L * 1024L * 1024L * 1024L); // 10GB.
>         memCfg.setMemoryPolicies(pl1, pl2);
> {code}
> pl1(max size 10Gb) will be have checkpoint buffer = 5GB and pl2(max size 100Mb) buffer= 5GB



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