[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)
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參數解析 listen_address:服務器監聽客戶端連接的TPC/IP地址 port:服務器監聽的TPC端口 max_connections:允許和數據庫連接的最大并發連接數 superuser_reserved_connections:為超級用戶連接而保留的連接數 tcp_keepalives_idle:在一個TCP連接中空閑多長時間后會發送一個keepalive報文(建議值180) tcp_keepalives_interval:在一個空閑TCP連接中,在發送第一個keepalive報文后如果在該參數指定的時間間隔內沒有收到對 端的響應報文,則開始發送第二個keepalive報文(建議值10) tcp_keepalives_count:在一個空閑TCP連接中,在發送keepalive報文后,如果一直沒有收到對端的響應報文,最多發送該參數 指定次數報文后,認為TCP連接已中斷(建議值3) shared_buffers:數據庫實例可使用的共享內存區域 temp_buffers:每個數據庫會話使用的臨時內存區,只用于訪問臨時表,在服務進程中分配的,屬于本地內存 work_mem:排序與散列操作在使用臨時磁盤文件之前可使用的內存區域,屬于本地內存 maintenance_work_mem:在維護性操作中可使用的內存區域 wal_level:決定有多少信息可寫入WAL日志中 fsync:決定是否使用fsync系統調用,將文件系統中的臟頁寫到物理磁盤 synchronous_commit:提交一個事務是否需要等待將WAL日志寫入磁盤后在返回 wal_sync_method:指定向磁盤寫WAL日志的方法 full_page_writes:數據庫實例會在檢查點之后對頁面第一次修改時將整個頁面寫入WAL日志 wal_buffers:WAL日志使用的內存區域,屬于數據庫實例共享內存 log_destination:stderr,csvlog,syslog log_directory:日志輸出的路徑 log_filename:日志文件名 log_rotation_age:日志超過多長時間,就生成一個新的文件 log_rotation_size:日志超過多大,就生成一個新的文件 log_truncate_on_rotation:當生成的新文件的文件名已存在,是否覆蓋同名舊文件
[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?執行外部文件中的SQL命令 \set?AUTOCOMMIT?off?關閉自動提交 \set?ECHO_HIDDEN?on?顯示某一個命令實際執行的SQL
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