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https://issues.apache.org/jira/browse/IGNITE-6003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16133550#comment-16133550
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Denis Magda commented on IGNITE-6003:
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Discussion on the @dev list:
http://apache-ignite-developers.2346864.n4.nabble.com/IGNITE-5717-improvements-of-MemoryPolicy-default-size-td20264.html
> Detecting low memory on ignite node startup
> -------------------------------------------
>
> Key: IGNITE-6003
> URL: https://issues.apache.org/jira/browse/IGNITE-6003
> Project: Ignite
> Issue Type: Improvement
> Reporter: Sergey Chugunov
> Labels: usability
> Fix For: 2.2
>
>
> h2. Motivation
> Starting from version 2.0 Ignite keeps all data in offheap area and allocates
> this area on startup based on MemoryPolicy settings.
> So several Ignite nodes started on the same machine may allocate an order of
> magnitude more memory than physically available so putting pressure on such
> cluster will cause the machine to hang.
> h2. Acceptance Criteria
> # Reliable cross-platform algorithm to detect low memory is developed.
> # Ignite node fails to start with descriptive error message when the
> algorithm detects low memory which may cause hang.
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