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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 length (node should be stopped before STW finished)

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