备份节点(也是pgmonitor节点),需要注意磁盘空间 4 创建必要目录 4.1 创建日志目录(所有节点执行) sudo mkdir -p -m 770 /var/log/pgbackrest sudo chown postgres:postgres /var/log/pgbackrest/ sudo ln -s /var/postgresql/soft/pg15.6/bin/pgbackrest /bin/ ...
The start of the puzzle: An inefficient Nested Loop Join The role of parameterized index scans The fix: Adding…Continue reading What's (not) in Postgres 17 beta1, and how to test it25 May, 2024 In today’s E116 of “5mins of Postgres” we discuss the Postgres 17 beta1 release that...
其中:rolename:角色名。 查看角色示例 查看所有角色名。 postgres=# SELECT rolname from pg_roles; rolname --- pg_monitor pg_read_all_settings pg_read_all_stats pg_stat_scan_tables pg_read_server_files pg_write_server_files pg_execute_server_program pg_signal_backend postgres roletest1 roletes...
CREATEROLE name; postgres->postgres@[local]:5432=# \hcreaterole Command:CREATEROLE Description:defineanewdatabase role Syntax:CREATEROLE name [ [WITH] option [ ... ] ]whereoption can be: SUPERUSER|NOSUPERUSER|CREATEDB|NOCREATEDB|CREATEROLE|NOCREATEROLE|INHERIT|NOINHERIT|LOGIN|NOLOGIN|REPLICATION...
#6.修改管理员postgres密码,创建指定用户psql -c"ALTER ROLE postgres WITH PASSWORD 'Aa532733691';" #7.修改pgsql密码认证方式(pgpool前置工作)查看数据库中用户密码协议 psql -c"show password_encryption;"查看数据库已有用户及密码协议 psql -c"select * from pg_shadow;"临时修改数据库中用户密码协议 ...
(default: "/var/run/postgresql") -p, --port=PORT database server port (default: 5432) -U, --username=USERNAME database user name (default: "postgres") -w, --no-password never prompt for password --role=ROLE do SET ROLE before collection For more information, visit <https://pg...
[postgres@db02 ~]$ psql postgres=# CREATE ROLE pgpool WITH LOGIN; postgres=# CREATE ROLE repl WITH REPLICATION LOGIN; postgres=# \password pgpool postgres=# \password repl postgres=# \password postgres # pgpool_status中显示 postgres=# GRANT pg_monitor TO pgpool; ...
postgres=#INSERTINTOtest_list(flag)VALUES('flag1'); 参考:https://www.xmmup.com/pg-14xintexingzhialter-table-detach-zhichi-concurrently.html LZ4压缩可以用于TOAST数据 在PostgreSQL中,TOAST(The Oversized-Attribute Storage Technique)是一种用于处理大型或超过特定大小限制的数据的存储技术。它主要应用于存储...
复制 create role replhr login encrypted password 'lhr' replication; 从库操作 代码语言:javascript 代码运行次数:0 运行 AI代码解释 复制 mkdir -p /bk chown postgres:postgres /bk su - postgres pg_basebackup -h 172.72.6.71 -p 5432 -U replhr -l bk20220120 -F p -P -R -D /bk cat >> ...
In this book, we review the following events in detail: Transaction ID (TXID) Wraparound Data Corruption Checkpoints Temporary Files Lock Notices & Deadlocks EXPLAIN plans through auto_explain Hundreds Of Companies Monitor Their Production PostgreSQL Databases With pganalyze...