我在kubernetes中安装了gitlab，使用的是gitlab/gitlab-ce:13.8.3-ce.0镜像，一直使用没有问题，突然有一天访问时页面显示502，进入容器后看服务状态，postgresql没有启动
run: alertmanager: (pid 1042) 3295s; run: log: (pid 740) 3365s
run: gitaly: (pid 1062) 3294s; run: log: (pid 385) 3424s
run: gitlab-exporter: (pid 1097) 3293s; run: log: (pid 618) 3384s
run: gitlab-workhorse: (pid 1100) 3292s; run: log: (pid 522) 3401s
run: grafana: (pid 1114) 3292s; run: log: (pid 794) 3354s
run: logrotate: (pid 1133) 3292s; run: log: (pid 596) 3390s
run: nginx: (pid 1142) 3291s; run: log: (pid 564) 3395s
run: postgres-exporter: (pid 1239) 3291s; run: log: (pid 764) 3360s
down: postgresql: 1s, normally up, want up; run: log: (pid 420) 3420s
run: prometheus: (pid 1269) 3284s; run: log: (pid 678) 3372s
run: puma: (pid 8106) 0s; run: log: (pid 452) 3412s
run: redis: (pid 1298) 3284s; run: log: (pid 261) 3433s
run: redis-exporter: (pid 1304) 3283s; run: log: (pid 644) 3378s
run: sidekiq: (pid 8079) 13s; run: log: (pid 476) 3407s
run: sshd: (pid 1324) 3278s; run: log: (pid 34) 3448s
查看postgresql的日志文件，显示一直在重启
2023-10-25_08:41:16.05999 LOG: listening on Unix socket “/var/opt/gitlab/postgresql/.s.PGSQL.5432”
2023-10-25_08:41:17.08868 LOG: starting PostgreSQL 12.5 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 201
60609, 64-bit
2023-10-25_08:41:17.09031 LOG: listening on Unix socket “/var/opt/gitlab/postgresql/.s.PGSQL.5432”
2023-10-25_08:41:18.11968 LOG: starting PostgreSQL 12.5 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 201
60609, 64-bit
2023-10-25_08:41:18.12131 LOG: listening on Unix socket “/var/opt/gitlab/postgresql/.s.PGSQL.5432”
2023-10-25_08:41:19.15203 LOG: starting PostgreSQL 12.5 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 201
60609, 64-bit
2023-10-25_08:41:19.15361 LOG: listening on Unix socket “/var/opt/gitlab/postgresql/.s.PGSQL.5432”
2023-10-25_08:41:20.18370 LOG: starting PostgreSQL 12.5 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 201
60609, 64-bit
2023-10-25_08:41:20.18540 LOG: listening on Unix socket “/var/opt/gitlab/postgresql/.s.PGSQL.5432”
2023-10-25_08:41:21.21438 LOG: starting PostgreSQL 12.5 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 201
60609, 64-bit
2023-10-25_08:41:21.21602 LOG: listening on Unix socket “/var/opt/gitlab/postgresql/.s.PGSQL.5432”
2023-10-25_08:41:22.24672 LOG: starting PostgreSQL 12.5 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 201
60609, 64-bit
2023-10-25_08:41:22.24848 LOG: listening on Unix socket “/var/opt/gitlab/postgresql/.s.PGSQL.5432”
请问这是什么原因