[jira] [Created] (IGNITE-5024) Default MemoryPolicy settings improvements

["Sergey Chugunov (JIRA)" <ji...@apache.org>]

Sergey Chugunov created IGNITE-5024:
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             Summary: Default MemoryPolicy settings improvements
                 Key: IGNITE-5024
                 URL: https://issues.apache.org/jira/browse/IGNITE-5024
             Project: Ignite
          Issue Type: Improvement
            Reporter: Sergey Chugunov
            Assignee: Sergey Chugunov
             Fix For: 2.0


h2 Notes
Currently when user doesn't specify any MemoryPolicy configuration a default one is created. It has a fixed size of 1 GB which seems to be too rigid.
Also when user wants to override size of the default MemoryPolicy, the full syntax of this configuration must be used; it is cumbersome in such simple case.

h2 Acceptance Criteria
# Default MemoryPolicy is created with size of 80% of physical memory available on machine.
# New configuration property *defaultMemoryPolicySize* is introduced in *memoryConfiguration* section to allow user to specify exact size in bytes without applying verbose syntax of *memoryPolicyConfiguration* section.



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