Phoenix 7920 Add replay-side handling for direct DEGRADED_STANDBY → STANDBY_TO_ACTIVE transition (ANISTS → AISTS)#2573

Open

Himanshu-g81 wants to merge 13 commits into

apache:PHOENIX-7562-feature-newfrom

Himanshu-g81:PHOENIX-7920

Commits on Jul 11, 2026

PHOENIX-7920 triggerFailoverListner rewinds DEGRADED->SYNCED_RECOVERY on direct failover
Himanshu Gwalani
committed
PHOENIX-7920 init STANDBY_TO_ACTIVE as SYNCED_RECOVERY from last sync point
Himanshu Gwalani
committed
PHOENIX-7920 make lastRoundProcessed volatile for visibility parity
Himanshu Gwalani
committed
PHOENIX-7920 guard lastRoundInSync against zero lastSyncStateTimeInMs (avoid epoch rewind)
Himanshu Gwalani
committed
PHOENIX-7920 Sample init frontier time before reading HA group state
Himanshu Gwalani
committed

Commits on Jul 13, 2026

PHOENIX-7920 Add DEGRADED_STANDBY zero-lastSyncStateTimeInMs regression test
Himanshu Gwalani
committed

Commits on Jul 15, 2026

PHOENIX-7920 Add SAF-failover test scaffolding: mode-flip shim + shared cross-cluster helpers
Himanshu Gwalani
committed
PHOENIX-7920 SAF failover E2E: harness skeleton, real writer + manually-driven replay, SYNC init
Himanshu Gwalani
committed
PHOENIX-7920 SAF failover E2E: stage 1 - SYNC batch A replicates and advances sync point
Himanshu Gwalani
committed
PHOENIX-7920 SAF failover E2E: stage 2 - enter store-and-forward and forward batch B
Himanshu Gwalani
committed
PHOENIX-7920 SAF failover E2E: stage 3 - direct failover promotes with zero RPO
Himanshu Gwalani
committed
PHOENIX-7920 SAF failover E2E: harden transitionCluster2 against peer-aware race
Himanshu Gwalani
committed

Commits on Jul 16, 2026

PHOENIX-7920 SAF failover E2E: quiesce writer before promotion drive to fix flaky failover
Himanshu Gwalani
committed