Semen Boikov created IGNITE-4381:
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Summary: Need ensure that internal threads do not execute blocking
operations
Key: IGNITE-4381
URL: https://issues.apache.org/jira/browse/IGNITE-4381
Project: Ignite
Issue Type: Task
Components: general
Reporter: Semen Boikov
Assignee: Konstantin Dudkov
Fix For: 2.0
If internal threads execute blocking operation this can cause starvation and
hangs (example of issue https://issues.apache.org/jira/browse/IGNITE-4371).
Ideally we need a way to 'automatically' find all such places in code,
straightforward idea is add assert in GridFutureAdapter.get - assert should
fail if it is called by system thread and future is not finished. At least one
issue here is that currently system threads can be blocked on operation on
utility/marshaller cache, so assert should also take it into account.
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