=== 시도 ③ 준비 — ps 로 무엇을 죽일지 본다 ===
PID   USER     TIME  COMMAND
    1 postgres  0:00 postgres
   25 postgres  0:00 postgres: checkpointer 
   26 postgres  0:00 postgres: background writer 
   28 postgres  0:00 postgres: walwriter 
   29 postgres  0:00 postgres: autovacuum launcher 
   30 postgres  0:00 postgres: logical replication launcher 
   39 postgres  0:00 postgres: keycloak keycloak 10.42.1.17(44654) idle
   40 postgres  0:00 postgres: keycloak keycloak 10.42.1.17(44660) idle
   41 postgres  0:00 postgres: keycloak keycloak 10.42.1.17(44670) idle
   42 postgres  0:00 postgres: keycloak keycloak 10.42.1.17(44686) idle
   43 postgres  0:00 postgres: keycloak keycloak 10.42.1.17(44690) idle
=== 죽이기 직전 쌓인 수 ===
113 /tmp/sids
죽일 백엔드 PID=39
14:37:10.925 백엔드 SIGKILL
=== 시도 ③ 결과 ===
NAME                        READY   RESTARTS
postgres-7b474b88c8-prlxx   true    0
--- crash recovery 로그 ---
2026-09-17 05:35:36.810 UTC [1] LOG:  server process (PID 39) was terminated by signal 9: Killed
2026-09-17 05:35:36.810 UTC [1] LOG:  terminating any other active server processes
2026-09-17 05:35:36.817 UTC [1] LOG:  all server processes terminated; reinitializing
2026-09-17 05:35:36.863 UTC [206] LOG:  database system was not properly shut down; automatic recovery in progress
2026-09-17 05:35:36.885 UTC [207] LOG:  checkpoint starting: end-of-recovery immediate wait
--- 클라이언트 200 수 ---
395 /tmp/sids
--- DB 행 수 ---
 count 
-------
   392
(1 row)