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Internal problems may cause unexpected cluster behaviour.
We should determine behavior in case any of internal problems problem happened.

Description

Internal problems can be split to

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2) Situations required graceful node shutdown with custom notification (covered now by IEP-14 Ignite failures handling)
- IgniteOutOfMemoryException
- Persistence errors
- ExchangeWorker exits with error

3) Prefomance issues should be covered by metrics
- GC STW duration
- Timed out tasks and jobs
- TX deadlock
- Hanged Tx (waits for some service)
- Java Deadlocks

4) Situations required external monitoring implementation
- GC STW duration exceed maximum possible lengthlength (node should be stopped before STW finished)

Risks and Assumptions

// Describe project risks, such as API or binary compatibility issues, major protocol changes, etc.

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