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Posted to issues@ignite.apache.org by "Alexei Scherbakov (JIRA)" <ji...@apache.org> on 2017/04/27 09:24:04 UTC

[jira] [Created] (IGNITE-5100) Exchange queue is not used properly

Alexei Scherbakov created IGNITE-5100:
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             Summary: Exchange queue is not used properly
                 Key: IGNITE-5100
                 URL: https://issues.apache.org/jira/browse/IGNITE-5100
             Project: Ignite
          Issue Type: Bug
          Components: general
    Affects Versions: 1.6
            Reporter: Alexei Scherbakov
            Priority: Critical
             Fix For: 2.1


Currently exchange futures share same queue for pending(incomplete) and completed exchanges.

The queue has fixed hardcoded size of 1000.

This leads to a problem when > 1000 nodes try to enter grid.

In such case oldest exchanges will be removed by ExchangeFutureSet size limit, leading to whole exchange hanging.

Solution: 

1. Use separate queues for pending and completed exchanges.

2. Pending exchange queue must be unbounded.

3. Add system property to control exchange history.





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