温馨提示×

温馨提示×

您好,登录后才能下订单哦!

密码登录×
登录注册×
其他方式登录
点击 登录注册 即表示同意《亿速云用户服务条款》

【PostgreSQL】数据库部署

发布时间:2020-03-02 03:16:13 来源:网络 阅读:623 作者:NOGYMS 栏目:数据库
[root@wallet01 ~]# wget https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-6-x86_64/pgdg-centos96-9.6-3.noarch.rpm --no-check-certificate [root@wallet01 ~]# rpm -ivh pgdg-centos96-9.6-3.noarch.rpm [root@wallet01 ~]# useradd postgres [root@wallet01 ~]# id postgres uid=501(postgres) gid=501(postgres) groups=501(postgres) [root@wallet01 ~]# rpm -e postgresql postgresql-devel [root@wallet01 ~]# yum install -y postgresql96-server.x86_64 postgresql96-contrib.x86_64 [root@wallet01 ~]# service postgresql-9.6 initdb Initializing database:                                     [  OK  ] [root@wallet01 ~]# vi /var/lib/pgsql/9.6/data/postgresql.conf listen_addresses = '0.0.0.0' port = 5432  [root@wallet01 ~]# service postgresql-9.6 start Starting postgresql-9.6 service:                           [  OK  ] [root@wallet01 ~]# service postgresql-9.6 status postgresql-9.6 (pid  2146) is running... [root@wallet01 ~]# netstat -tunlp | grep postmaster tcp        0      0 0.0.0.0:5432        0.0.0.0:*        LISTEN      2414/postmaster [root@wallet01 ~]# vi /etc/profile PATH=$PATH:/usr/pgsql-9.6/bin [root@wallet01 ~]# su - postgres [postgres@wallet01 ~]$ psql psql (9.6.12) Type "help" for help. postgres=# \l                                   List of databases    Name    |  Owner   | Encoding |   Collate   |    Ctype    |   Access privileges    -----------+----------+----------+-------------+-------------+-----------------------  postgres  | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 |   template0 | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/postgres          +            |          |          |             |             | postgres=CTc/postgres  template1 | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/postgres          +            |          |          |             |             | postgres=CTc/postgres (3 rows)


参数解析 listen_address:服务器监听客户端连接的TPC/IP地址 port:服务器监听的TPC端口 max_connections:允许和数据库连接的最大并发连接数 superuser_reserved_connections:为超级用户连接而保留的连接数 tcp_keepalives_idle:在一个TCP连接中空闲多长时间后会发送一个keepalive报文(建议值180) tcp_keepalives_interval:在一个空闲TCP连接中,在发送第一个keepalive报文后如果在该参数指定的时间间隔内没有收到对 端的响应报文,则开始发送第二个keepalive报文(建议值10) tcp_keepalives_count:在一个空闲TCP连接中,在发送keepalive报文后,如果一直没有收到对端的响应报文,最多发送该参数 指定次数报文后,认为TCP连接已中断(建议值3) shared_buffers:数据库实例可使用的共享内存区域 temp_buffers:每个数据库会话使用的临时内存区,只用于访问临时表,在服务进程中分配的,属于本地内存 work_mem:排序与散列操作在使用临时磁盘文件之前可使用的内存区域,属于本地内存 maintenance_work_mem:在维护性操作中可使用的内存区域 wal_level:决定有多少信息可写入WAL日志中 fsync:决定是否使用fsync系统调用,将文件系统中的脏页写到物理磁盘 synchronous_commit:提交一个事务是否需要等待将WAL日志写入磁盘后在返回 wal_sync_method:指定向磁盘写WAL日志的方法 full_page_writes:数据库实例会在检查点之后对页面第一次修改时将整个页面写入WAL日志 wal_buffers:WAL日志使用的内存区域,属于数据库实例共享内存 log_destination:stderr,csvlog,syslog log_directory:日志输出的路径 log_filename:日志文件名 log_rotation_age:日志超过多长时间,就生成一个新的文件 log_rotation_size:日志超过多大,就生成一个新的文件 log_truncate_on_rotation:当生成的新文件的文件名已存在,是否覆盖同名旧文件


[postgres@king01 ~]$ psql -h 192.168.1.201 -p 5432 tpcc tpcc             Password for user tpcc:  psql (9.6.12) Type "help" for help. tpcc=> \l                                   List of databases    Name    |  Owner   | Encoding |   Collate   |    Ctype    |   Access privileges    -----------+----------+----------+-------------+-------------+-----------------------  postgres  | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 |   template0 | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/postgres          +            |          |          |             |             | postgres=CTc/postgres  template1 | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/postgres          +            |          |          |             |             | postgres=CTc/postgres  tpcc      | tpcc     | UTF8     | en_US.UTF-8 | en_US.UTF-8 |  (4 rows) tpcc=> \dt           List of relations  Schema |    Name    | Type  | Owner  --------+------------+-------+-------  public | customer   | table | tpcc  public | district   | table | tpcc  public | history    | table | tpcc  public | item       | table | tpcc  public | new_order  | table | tpcc  public | order_line | table | tpcc  public | orders     | table | tpcc  public | stock      | table | tpcc  public | warehouse  | table | tpcc (9 rows) tpcc=> \di                   List of relations  Schema |     Name      | Type  | Owner |   Table     --------+---------------+-------+-------+------------  public | customer_i1   | index | tpcc  | customer  public | customer_i2   | index | tpcc  | customer  public | district_i1   | index | tpcc  | district  public | item_i1       | index | tpcc  | item  public | new_order_i1  | index | tpcc  | new_order  public | order_line_i1 | index | tpcc  | order_line  public | orders_i1     | index | tpcc  | orders  public | orders_i2     | index | tpcc  | orders  public | stock_i1      | index | tpcc  | stock  public | warehouse_i1  | index | tpcc  | warehouse (10 rows) tpcc=> \df                                                                         List of functions  Schema |    Name     | Result data type |                                             Argument data types                                               |  Type   --------+-------------+------------------+-------------------------------------------------------------------------------------------------------- ------+--------  public | dbms_random | integer          | integer, integer                                                                                              | normal  public | delivery    | integer          | integer, integer                                                                                              | normal  public | neword      | numeric          | integer, integer, integer, integer, integer, integer                                                          | normal  public | ostat       | SETOF record     | integer, integer, integer, integer, character varying                                                         | normal  public | payment     | integer          | integer, integer, integer, integer, numeric, integer, numeric, character varying, character varying, nu meric | normal  public | slev        | integer          | integer, integer, integer                                                                                     | normal (6 rows) tpcc=> \dn   List of schemas   Name  |  Owner    --------+----------  public | postgres (1 row) tpcc=> \db        List of tablespaces     Name    |  Owner   | Location  ------------+----------+----------  pg_default | postgres |   pg_global  | postgres |  (2 rows) tpcc=> \du                                    List of roles  Role name |                         Attributes                         | Member of  -----------+------------------------------------------------------------+-----------  postgres  | Superuser, Create role, Create DB, Replication, Bypass RLS | {tpcc}  tpcc      |                                                            | {}   tpcc=> \dp                                Access privileges  Schema |    Name    | Type  | Access privileges | Column privileges | Policies  --------+------------+-------+-------------------+-------------------+----------  public | customer   | table |                   |                   |   public | district   | table |                   |                   |   public | history    | table |                   |                   |   public | item       | table |                   |                   |   public | new_order  | table |                   |                   |   public | order_line | table |                   |                   |   public | orders     | table |                   |                   |   public | stock      | table |                   |                   |   public | warehouse  | table |                   |                   |  (9 rows) tpcc=> \pset border 2 Border style is 2. tpcc=> \timing on Timing is on. tpcc=> select * from warehouse where w_zip = '763011111'; +------+------------+--------+-----------+------------------+----------------+-----------------+---------+-----------+ | w_id |   w_ytd    | w_tax  |  w_name   |    w_street_1    |   w_street_2   |     w_city      | w_state |   w_zip   | +------+------------+--------+-----------+------------------+----------------+-----------------+---------+-----------+ |    1 | 3000000.00 | 0.1100 | IONcZx68P | ejAv76uu9u1W0Vso | hTm1kjwNGHt20A | fRpzxLGAhOMU7UY | 9P      | 763011111 | +------+------------+--------+-----------+------------------+----------------+-----------------+---------+-----------+ (1 row) Time: 3.507 ms tpcc=> \x Expanded display is on. tpcc=> select * from warehouse where w_zip = '763011111'; +-[ RECORD 1 ]------------------+ | w_id       | 1                | | w_ytd      | 3000000.00       | | w_tax      | 0.1100           | | w_name     | IONcZx68P        | | w_street_1 | ejAv76uu9u1W0Vso | | w_street_2 | hTm1kjwNGHt20A   | | w_city     | fRpzxLGAhOMU7UY  | | w_state    | 9P               | | w_zip      | 763011111        | +------------+------------------+ Time: 0.732 ms \i 执行外部文件中的SQL命令 \set AUTOCOMMIT off 关闭自动提交 \set ECHO_HIDDEN on 显示某一个命令实际执行的SQL


向AI问一下细节

免责声明:本站发布的内容(图片、视频和文字)以原创、转载和分享为主,文章观点不代表本网站立场,如果涉及侵权请联系站长邮箱:is@yisu.com进行举报,并提供相关证据,一经查实,将立刻删除涉嫌侵权内容。

AI