test(raft): cold-node rejoin and wiped-node join e2e

Includes two raft fixes the e2e exposed:
- heartbeatLoop drops cached peer sockets on leadership acquisition
  (half-dead sockets to a restarted peer never errored, so no redial
  ever happened and the cluster livelocked without heartbeats)
- restoreSnapshot repoints tcpServer ctx/db at the reopened database
  (queries kept reading the closed pre-restore LSM, serving 0 rows)
This commit is contained in:
2026-07-31 03:53:48 +03:00
parent 9ff9c2f6be
commit ad90ebcd5e
6 changed files with 513 additions and 1 deletions
+1
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@@ -18,6 +18,7 @@ tests/raft_e2e_test
tests/raft_writes_e2e_test
tests/raft_failover_load_e2e_test
tests/raft_tls_e2e_test
tests/raft_coldnode_e2e_test
benchmarks/bench_all
benchmarks/compare
clients/nim/tests/test_client