Janis 1d121c727c fix: don't block event loop during scale-down drain
Scale-down was calling failoverService.onInstanceStreamDropped synchronously
and waiting for it to complete. Failover retries for up to 30s waiting for
healthy instances, which blocks the Quarkus event loop thread.

This caused:
- Event loop blocked for 15+ seconds
- Redis health checks timing out (also on event loop)
- Scale-down operations failing

Fix: Trigger drain asynchronously without waiting. Scale-down proceeds
immediately while drain happens in background.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2026-05-13 23:46:00 +02:00
2026-04-29 22:06:01 +02:00
2026-04-29 22:06:01 +02:00
2026-04-29 22:06:01 +02:00
2026-04-29 22:06:01 +02:00
2026-03-21 14:40:00 +01:00
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