其中,单用户模式(single-user mode)是PostgreSQL数据库支持的一种特殊运行模式,顾名思义,即只允许一个超级用户访问数据库系统,其他用户连接会被拒绝。这种模式除了可以在initdb阶段使用外,还多用于数据库维护和紧急恢复等特殊场景,可以认为是Postgres的一种应急模式。 二、单用户模式的使用场景 1.数据库维护 单用户模...
ERROR: database is not accepting commands to avoid wraparound data loss in database "testdb" 建议:Stop the postmaster and vacuum that database in single-user mode. You might also need to commit or roll back old prepared transactions, or drop stale replication slots 报错信息信息显示,数据库发...
AI代码解释 ERROR:database is not accepting commands to avoid wraparound data lossindatabase"xxdb"HINT:Stop the postmaster and vacuum that databaseinsingle-user mode 所以冻结过程应该在平时不断地自动做而不是等到事务号需要回卷的时候才去做。这时就需要引入一个参数:vacuum_freeze_min_age(默认5000万)...
pg_hba.conf #host DATABASE USER ADDRESS METHOD [OPTIONS] #hostssl DATABASE USER ADDRESS METHOD [OPTIONS] #hostnossl DATABASE USER ADDRESS METHOD [OPTIONS] client 强制使用或不使用ssl的方法 psql "sslmode=require" psql "sslmode=disable" 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. ...
errhint("Stop the postmaster and vacuum that database in single-user mode.\n" "You might also need to commit or roll back old prepared transactions, or drop stale replication slots."))); else ereport(ERROR, (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), ...
errhint("Stop the postmaster and vacuum that database in single-user mode.\n" "You might also need to commit or roll back old prepared transactions, or drop stale replication slots."))); else ereport(ERROR, (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), ...
HINT: Stop the postmaster and vacuum that database in single-user mode. You might also need to commit or roll back old prepared transactions. 问题分析 这个报错是由于,|最新事务号-最老事务号| = 2^31-1000000,即当前可用的 xid 仅剩下一百万的时候,内核就会禁止实例写入并报错:database is not acc...
## This Dockerfile is meant to aid in the building and debugging patroni whilst developing on your local machine## It has all the necessary components to play/debug with a single node appliance, running etcdARG PG_MAJOR=14 ARG COMPRESS=falseARG PGHOME=/home/postgres ...
示例值:{ "migrationMode": "single-db", "defaultLocale": "zh_CN", "serverCollationName": "sql_latin1_general_cp1250_ci_as" } NetworkAccessList Array of NetworkAccess 实例网络信息列表(此字段已废弃)注意:此字段可能返回 null,表示取不到有效值。 SupportIpv6 Integer 实例是否支持Ipv6: 0:否 1...
Place the database in single-user mode with the command: Shell Copy to clipboard /opt/gitlab/embedded/bin/postgres --single -D /var/opt/gitlab/postgresql/data gitlabhq_production In the backend> prompt, run VACUUM;. This command can take several minutes to complete. Wait for the command...