{"id":41899,"date":"2023-06-06T04:01:51","date_gmt":"2023-01-30T13:30:38","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ae%89%e8%a3%85-postgresql12-%e5%9c%a8-centos-7-5-%e4%b8%8a%e3%80%82\/"},"modified":"2024-04-30T07:30:52","modified_gmt":"2024-04-29T23:30:52","slug":"%e5%ae%89%e8%a3%85-postgresql12-%e5%9c%a8-centos-7-5-%e4%b8%8a%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ae%89%e8%a3%85-postgresql12-%e5%9c%a8-centos-7-5-%e4%b8%8a%e3%80%82\/","title":{"rendered":"\u5b89\u88c5 PostgreSQL12 \u5728 CentOS 7.5 \u4e0a"},"content":{"rendered":"<h1>\u73af\u5883<\/h1>\n<p>\u8fd9\u662f\u5173\u4e8e\u5728CentOS 7.5\u4e0a\u5b89\u88c5PostgreSQL12\u7684\u5907\u5fd8\u5f55\u3002<br \/>\n\u73af\u5883\u5982\u4e0b\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">CentOS 7.5(firewalld\u306f\u7121\u52b9\u5316\u3057\u3066\u3044\u307e\u3059)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Postgres 12<\/ul>\n<p>\u5728\u4ee5\u4e0b\u7684 PostgreSQL11.2\u7684\u60c5\u51b5\u4e0b\uff0c\u5b89\u88c5\u6b65\u9aa4\u51e0\u4e4e\u4e0e\u4e0a\u8ff0\u76f8\u540c\u3002<\/p>\n<ul class=\"post-ul\">CentOS 7\u306bPostgreSQL11\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/ul>\n<p>[2020\/6\/10\u8865\u5145]<br \/>\n\u7531\u4e8e\u672c\u64cd\u4f5c\u6ca1\u6709\u6307\u5b9a\u6b21\u8981\u7248\u672c\u53f7\uff0c\u5c06\u5b89\u88c5\u6700\u65b0\u7248\u672c\u7684PostgreSQL\u3002\u622a\u81f32020\u5e746\u6708\uff0c\u5c06\u5b89\u88c5\u7248\u672c12.3\u3002<\/p>\n<h1>\u5b89\u88c5PostgreSQL\u7684yum\u5e93\u3002<\/h1>\n<p>\u6211\u5011\u5c07\u5b89\u88ddCentOS\u7248\u672c\u9069\u7528\u7684PostgreSQL\u5b58\u5132\u5eab\u5957\u4ef6\u3002<br \/>\n\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7d71\u5c0d\u61c9\u7684\u5b58\u5132\u5eab\u5957\u4ef6URL\u5217\u8868\u53ef\u5728\u4ee5\u4e0b\u7db2\u7ad9\u4e2d\u627e\u5230\u3002<\/p>\n<pre class=\"post-pre\"><code># yum -y install https:\/\/download.postgresql.org\/pub\/repos\/yum\/reporpms\/EL-7-x86_64\/pgdg-redhat-repo-latest.noarch.rpm\r\n\uff5e\u7701\u7565\uff5e\r\nRunning transaction\r\n  Installing : pgdg-redhat-repo-42.0-5.noarch                                                                                      1\/1 \r\n  Verifying  : pgdg-redhat-repo-42.0-5.noarch                                                                                      1\/1 \r\n\r\nInstalled:\r\n  pgdg-redhat-repo.noarch 0:42.0-5                                                                                                     \r\n\r\nComplete!\r\n<\/code><\/pre>\n<h1>\u5b89\u88c5PostgreSQL<\/h1>\n<p>\u8bf7\u5b89\u88c5PostgreSQL\u3002<br \/>\n\u203b\u4e3a\u4e86\u7f16\u8bd1\u6269\u5c55\u529f\u80fd\uff0c\u5efa\u8bae\u540c\u65f6\u5b89\u88c5&#8221;postgresql12-devel&#8221;\u3002<\/p>\n<pre class=\"post-pre\"><code># yum -y install postgresql12-server postgresql12-contrib\r\n\r\n\uff5e\u7701\u7565\uff5e\r\nInstalled:\r\n  postgresql12-contrib.x86_64 0:12.0-1PGDG.rhel7           postgresql12-server.x86_64 0:12.0-1PGDG.rhel7          \r\n\r\nDependency Installed:\r\n  libicu.x86_64 0:50.2-3.el7                                 libtirpc.x86_64 0:0.2.4-0.16.el7                     \r\n  libxslt.x86_64 0:1.1.28-5.el7                              postgresql12.x86_64 0:12.0-1PGDG.rhel7               \r\n  postgresql12-libs.x86_64 0:12.0-1PGDG.rhel7                python3.x86_64 0:3.6.8-10.el7                        \r\n  python3-libs.x86_64 0:3.6.8-10.el7                         python3-pip.noarch 0:9.0.3-5.el7                     \r\n  python3-setuptools.noarch 0:39.2.0-10.el7                 \r\n\r\nDependency Updated:\r\n  python.x86_64 0:2.7.5-86.el7                          python-libs.x86_64 0:2.7.5-86.el7                         \r\n\r\nComplete!\r\n<\/code><\/pre>\n<p>PostgreSQL\u5c06\u5b89\u88c5\u5728\u201c\/usr\/pgsql-12\/\u201d\u76ee\u5f55\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code># ls -l \/usr\/pgsql-12\/\r\ntotal 16\r\ndrwxr-xr-x. 2 root root 4096 Oct 10 13:42 bin\r\ndrwxr-xr-x. 3 root root   23 Oct 10 13:42 doc\r\ndrwxr-xr-x. 3 root root 4096 Oct 10 13:42 lib\r\ndrwxr-xr-x. 8 root root 4096 Oct 10 13:42 share\r\n<\/code><\/pre>\n<h1>\u5728\u4e2d\u6587\u4e2d\uff0c\u53ef\u4ee5\u5c06 &#8220;PostgreSQL\u306e\u81ea\u52d5\u8d77\u52d5&#8221; \u6539\u5199\u4e3a &#8220;PostgreSQL\u7684\u81ea\u52a8\u542f\u52a8&#8221;\u3002<\/h1>\n<p>\u4e3a\u4e86\u81ea\u52a8\u542f\u52a8PostgreSQL\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code># systemctl enable postgresql-12.service\r\n<\/code><\/pre>\n<h1>\u521b\u5efa\u6570\u636e\u5e93\u96c6\u7fa4<\/h1>\n<p>\u521b\u5efa\u6570\u636e\u5e93\u96c6\u7fa4\u3002<br \/>\n\u6b63\u5728\u4ee5root\u7528\u6237\u8eab\u4efd\u6267\u884c\u3002<br \/>\n\u6570\u636e\u5e93\u6587\u4ef6\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5c06\u88ab\u521b\u5efa\u5728\u201c\/var\/lib\/pgsql\/12\/data\/\u201d\uff0c\u4f46\u73b0\u5728\u5c06\u5176\u66f4\u6539\u4e3a\u201c\/data\/\u201d\u4e0b\u3002<br \/>\n\u53ef\u4ee5\u901a\u8fc7postgresql-12.service\u6587\u4ef6\u4e2d\u7684\u201cPGDATA\u201d\u73af\u5883\u53d8\u91cf\u8fdb\u884c\u6307\u5b9a\u3002<\/p>\n<pre class=\"post-pre\"><code># vi \/usr\/lib\/systemd\/system\/postgresql-12.service\r\n\r\n\u5909\u66f4\u524d\uff09\r\nEnvironment=PGDATA=\/var\/lib\/pgsql\/12\/data\/\r\n\u5909\u66f4\u5f8c\uff09\r\nEnvironment=PGDATA=\/data\/\r\n\r\n# systemctl daemon-reload\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u521b\u5efa\u6570\u636e\u5e93\u96c6\u7fa4\u3002<\/p>\n<pre class=\"post-pre\"><code># PGSETUP_INITDB_OPTIONS=\"-E UTF8 --no-locale\" \/usr\/pgsql-12\/bin\/postgresql-12-setup initdb\r\nInitializing database ... OK\r\n<\/code><\/pre>\n<p>\u786e\u8ba4\u4e0b\u9762\u7684\u300c\/data\/\u300d\u662f\u5426\u5df2\u751f\u6210\u3002<\/p>\n<pre class=\"post-pre\"><code># cat \/data\/PG_VERSION \r\n12\r\n<\/code><\/pre>\n<h1>\u542f\u52a8PostgreSQL\u3002<\/h1>\n<p>\u5728\u542f\u52a8\u4e4b\u524d\uff0c\u5c06PostgreSQL\u7684bin\u76ee\u5f55\u6dfb\u52a0\u5230\u8def\u5f84\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code># su - postgres\r\n\r\n\/var\/lib\/pgsql\/.pgsql_profile\u306b\u30d1\u30b9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\r\n\r\n# vi \/var\/lib\/pgsql\/.pgsql_profile\r\nPATH=\/usr\/pgsql-12\/bin:$PATH\r\nexport PATH\r\n\r\nPGDATA\u3092\u4fee\u6b63\u3057\u307e\u3059\u3002\r\n\r\n# vi \/var\/lib\/pgsql\/.bash_profile\r\n#PGDATA=\/var\/lib\/pgsql\/12\/data\r\nPGDATA=\/data\r\n\r\n# source ~\/.bash_profile\r\n<\/code><\/pre>\n<p>PostgreSQL\u7684\u542f\u52a8\u53ef\u4ee5\u4f7f\u7528\u201cpg_ctl start\u201d\u547d\u4ee4\u5b8c\u6210\u3002<\/p>\n<pre class=\"post-pre\"><code>$ pg_ctl start\r\nwaiting for server to start....2019-10-10 13:54:19.061 CEST [12763] LOG:  starting PostgreSQL 12.0 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39), 64-bit\r\n2019-10-10 13:54:19.063 CEST [12763] LOG:  listening on IPv6 address \"::1\", port 5432\r\n2019-10-10 13:54:19.063 CEST [12763] LOG:  listening on IPv4 address \"127.0.0.1\", port 5432\r\n2019-10-10 13:54:19.065 CEST [12763] LOG:  listening on Unix socket \"\/var\/run\/postgresql\/.s.PGSQL.5432\"\r\n2019-10-10 13:54:19.067 CEST [12763] LOG:  listening on Unix socket \"\/tmp\/.s.PGSQL.5432\"\r\n2019-10-10 13:54:19.073 CEST [12763] LOG:  redirecting log output to logging collector process\r\n2019-10-10 13:54:19.073 CEST [12763] HINT:  Future log output will appear in directory \"log\".\r\n done\r\nserver started\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u4f7f\u7528&#8221;systemctl start postgresql-12&#8243;\u542f\u52a8\u3002<\/p>\n<h1>\u6570\u636e\u5e93\u786e\u8ba4<\/h1>\n<p>\u6211\u8981\u786e\u8ba4\u5df2\u521b\u5efa\u7684\u6570\u636e\u5e93\u96c6\u7fa4\u3002<br \/>\n\u6211\u8981\u5c1d\u8bd5\u663e\u793a\u7248\u672c\u548c\u6570\u636e\u5e93\u5217\u8868\u3002<\/p>\n<pre class=\"post-pre\"><code>$ psql -V\r\npsql (PostgreSQL) 12.0\r\n$ psql -l\r\n                             List of databases\r\n   Name    |  Owner   | Encoding | Collate | Ctype |   Access privileges   \r\n-----------+----------+----------+---------+-------+-----------------------\r\n postgres  | postgres | UTF8     | C       | C     | \r\n template0 | postgres | UTF8     | C       | C     | =c\/postgres          +\r\n           |          |          |         |       | postgres=CTc\/postgres\r\n template1 | postgres | UTF8     | C       | C     | =c\/postgres          +\r\n           |          |          |         |       | postgres=CTc\/postgres\r\n(3 rows)\r\n<\/code><\/pre>\n<h1>\u521b\u5efa\u7528\u6237\u548c\u6570\u636e\u5e93<\/h1>\n<p>\u521b\u5efa\u4e00\u4e2a\u7528\u6237\uff08&#8221;testuser&#8221;\uff09\u548c\u4e00\u4e2a\u6570\u636e\u5e93\uff08&#8221;testdb&#8221;\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>$ createuser --login --pwprompt testuser\r\nEnter password for new role: \r\nEnter it again:\r\n\r\n$ createdb --owner=testuser testdb\r\n<\/code><\/pre>\n<h1>\u5141\u8bb8\u6765\u81ea\u5916\u90e8\u7684\u8fde\u63a5<\/h1>\n<p>\u56e0\u4e3a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cPostgreSQL\u65e0\u6cd5\u8fdb\u884c\u8fdc\u7a0b\u8fde\u63a5\uff0c\u6240\u4ee5\u9700\u8981\u66f4\u6539\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code># vi \/data\/postgresql.conf\r\n\u203b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u300c\/var\/lib\/pgsql\/12\/data\/postgresql.conf\u300d\r\n\r\n\u5909\u66f4\u524d\uff09\r\n#listen_addresses = 'localhost'\r\n\u5909\u66f4\u5f8c\uff09\r\nlisten_addresses = '*'\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u9700\u8981\u4fee\u6539pg_hba.conf\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code># vi \/data\/pg_hba.conf\r\n\u203b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u300c\/var\/lib\/pgsql\/12\/data\/pg_hba.conf\u300d\r\n\r\n# \"local\" is for Unix domain socket connections only\r\nlocal   testdb          testuser                                md5\r\n\u2192\u30ed\u30fc\u30ab\u30eb\u304b\u3089testdb\u3078testuser\u3067md5\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b1\u884c\u8ffd\u52a0\u3002\r\nlocal   all             all                                     peer\r\n# IPv4 local connections:\r\nhost    all             all             192.168.10.0\/24         md5\r\n\u2192192.168.10.0\/24\u304b\u3089\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b1\u884c\u8ffd\u52a0\u3002\r\nhost    all             all             127.0.0.1\/32            ident\r\n<\/code><\/pre>\n<p>\u91cd\u65b0\u52a0\u8f7d\u8bbe\u7f6e\u66f4\u6539\u3002<\/p>\n<pre class=\"post-pre\"><code>$ pg_ctl reload\r\n\u203b\u3000\u3082\u3057\u304f\u306fsystemctl reload postgresql-12\u3067\u3082\u3044\u3044\u306f\u305a\u3002\r\n<\/code><\/pre>\n<p>\u66f4\u6539postgres\u7528\u6237\u7684\u5bc6\u7801\uff08\u4e0d\u66f4\u6539\u4e5f\u53ef\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>$ psql\r\nalter role postgres with password 'postgres';\r\n<\/code><\/pre>\n<p>\u6211\u4f1a\u4ece\u8fdc\u7a0b\u8fdb\u884c\u8fde\u63a5\u786e\u8ba4\uff08A5\uff1a\u5df2\u4eceSQL\u8fdb\u884c\u8fde\u63a5\u786e\u8ba4\uff0c\u4f46\u7701\u7565\u4e86\u8bf4\u660e\uff09\u3002<\/p>\n<p>\u8bf7\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u6267\u884c\u5bf9\u672c\u5730\u8fde\u63a5\u7684\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code>$ psql testdb testuser\r\n\r\nPassword for user testuser: \r\npsql (12.0)\r\nType \"help\" for help.\r\n\r\ntestdb=&gt; \r\n<\/code><\/pre>\n<h1>\u521b\u5efa\u8868\u683c<\/h1>\n<p>\u6211\u4f1a\u521b\u5efa\u4e00\u4e2a\u8868\u683c\u5e76\u63d2\u5165\u6570\u636e\u6765\u8bd5\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code>testdb=&gt; create table test (id int, value text);\r\nCREATE TABLE\r\ntestdb=&gt; insert into test (id, value) values (1, 'test text');\r\nINSERT 0 1\r\ntestdb=&gt; select * from test;\r\n id |   value   \r\n----+-----------\r\n  1 | test text\r\n(1 row)\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u300c\\d\u300d\u67e5\u770b\u8868\u683c\u5217\u8868\uff0c\u4f7f\u7528\u300c\\du\u300d\u67e5\u770b\u89d2\u8272\u5217\u8868\u3002<\/p>\n<pre class=\"post-pre\"><code>testdb=&gt; \\d\r\n        List of relations\r\n Schema | Name | Type  |  Owner   \r\n--------+------+-------+----------\r\n public | test | table | testuser\r\n(1 row)\r\n\r\ntestdb=&gt; \\du\r\n                                   List of roles\r\n Role name |                         Attributes                         | Member of \r\n-----------+------------------------------------------------------------+-----------\r\n postgres  | Superuser, Create role, Create DB, Replication, Bypass RLS | {}\r\n testuser  |                                                            | {}\r\n<\/code><\/pre>\n<h1>\u5176\u4ed6\u8bbe\u7f6e\u66f4\u6539<\/h1>\n<p>\u6211\u89c9\u5f97PostgreSQL\u7684\u5404\u79cd\u53c2\u6570\u4f3c\u4e4e\u90fd\u8bbe\u7f6e\u5f97\u6bd4\u8f83\u5c0f\u3002\u6211\u8bd5\u7740\u628a\u5171\u4eab\u7f13\u51b2\u533a\u4ece128MB\u6539\u6210\u4e86512MB\uff08\u603b\u5185\u5b58\u768420%\u81f340%\u4f3c\u4e4e\u662f\u4e0d\u9519\u7684\u9009\u62e9\uff09\u3002\u867d\u7136\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u53c2\u6570\u4e5f\u5e94\u8be5\u4fee\u6539\uff0c\u5305\u62ec\u5171\u4eab\u7f13\u51b2\u533a\uff0c\u4f46\u56e0\u4e3a\u8fd9\u4e9b\u53c2\u6570\u662f\u7cfb\u7edf\u76f8\u5173\u7684\uff0c\u6240\u4ee5\u6211\u672c\u6b21\u4e0d\u505a\u66f4\u6539\u3002<\/p>\n<p>\u5171\u4eab\u7f13\u51b2\u533a\u7684\u66f4\u6539\u65b9\u6cd5\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code># vi \/data\/postgresql.conf\r\n\u203b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u300c\/var\/lib\/pgsql\/12\/data\/postgresql.conf\u300d\r\n\r\n\u5909\u66f4\u524d\uff09\r\nshared_buffers = 128MB\r\n\u5909\u66f4\u5f8c\uff09\r\nshared_buffers = 512MB\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u8981\u91cd\u65b0\u542f\u52a8PostgreSQL\u3002<\/p>\n<h1>\u65e5\u5fd7\u8bbe\u5b9a<\/h1>\n<p>\u6211\u5df2\u5c06\u65e5\u5fd7\u8bbe\u7f6e\u66f4\u6539\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code>$ vi \/data\/postgresql.conf\r\n<\/code><\/pre>\n<p>\u5728\u6b64\u4e4b\u524d\u7684\u53d8\u52a8\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>log_filename = 'postgresql-%a.log'\r\nlog_rotation_size = 0\r\n#log_min_duration_statement = -1\r\n#log_checkpoints = off\r\n#log_connections = off\r\n#log_disconnections = off\r\n#log_lock_waits = off\r\n<\/code><\/pre>\n<p>\u4fee\u6539\u540e\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'\r\nlog_rotation_size = 1GB\r\nlog_min_duration_statement = 500ms\r\nlog_checkpoints = on\r\nlog_connections = on\r\nlog_disconnections = on\r\nlog_lock_waits = on\r\nlog_temp_files = 0\r\n<\/code><\/pre>\n<h1>\u4f7f\u7528pgbench\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5<\/h1>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u5305\u542b\u4e86\u7528\u4e8e\u57fa\u51c6\u6d4b\u8bd5\u7684\u5de5\u5177pgbench\u3002\u9996\u5148\uff0c\u4f7f\u7528pgbench\u521b\u5efa\u7528\u4e8e\u57fa\u51c6\u6d4b\u8bd5\u7684\u8868\u548c\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code>$ pgbench -i -s 10 testdb\r\ndropping old tables...\r\ncreating tables...\r\ngenerating data...\r\n100000 of 1000000 tuples (10%) done (elapsed 0.11 s, remaining 1.00 s)\r\n200000 of 1000000 tuples (20%) done (elapsed 0.22 s, remaining 0.88 s)\r\n300000 of 1000000 tuples (30%) done (elapsed 0.35 s, remaining 0.83 s)\r\n400000 of 1000000 tuples (40%) done (elapsed 0.49 s, remaining 0.73 s)\r\n500000 of 1000000 tuples (50%) done (elapsed 0.60 s, remaining 0.60 s)\r\n600000 of 1000000 tuples (60%) done (elapsed 0.74 s, remaining 0.49 s)\r\n700000 of 1000000 tuples (70%) done (elapsed 0.88 s, remaining 0.38 s)\r\n800000 of 1000000 tuples (80%) done (elapsed 1.05 s, remaining 0.26 s)\r\n900000 of 1000000 tuples (90%) done (elapsed 1.22 s, remaining 0.14 s)\r\n1000000 of 1000000 tuples (100%) done (elapsed 1.37 s, remaining 0.00 s)\r\nvacuuming...\r\ncreating primary keys...\r\ndone.\r\n<\/code><\/pre>\n<p>\u5f53\u51c6\u5907\u597d\u6570\u636e\u540e\uff0c\u63a5\u4e0b\u6765\u9700\u8981\u8fd0\u884c\u57fa\u51c6\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ pgbench -c 10 -j 10 -t 2000 -N testdb\r\nstarting vacuum...end.\r\ntransaction type: &lt;builtin: simple update&gt;\r\nscaling factor: 10\r\nquery mode: simple\r\nnumber of clients: 10\r\nnumber of threads: 10\r\nnumber of transactions per client: 2000\r\nnumber of transactions actually processed: 20000\/20000\r\nlatency average = 2.408 ms\r\ntps = 4152.303167 (including connections establishing)\r\ntps = 4159.985652 (excluding connections establishing)\r\n<\/code><\/pre>\n<p>&#8220;-c 10&#8221; \u8868\u793a\u5ba2\u6237\u7aef\u6570\u4e3a &#8220;10&#8221;\uff0c&#8221;-t 1000&#8243; \u8868\u793a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u7684\u4ea4\u6613\u6570\u91cf\u3002<\/p>\n<p>\u53ef\u4ee5\u4ece\u6267\u884c\u57fa\u51c6\u6d4b\u8bd5\u540e\u7684\u7f13\u5b58\u547d\u4e2d\u7387\u6765\u770b\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>select relname,\r\n   round(heap_blks_hit * 100 \/ (heap_blks_hit+heap_blks_read), 2)\r\n   as cache_hit_ratio from pg_statio_user_tables\r\n     where heap_blks_read &gt; 0 order by cache_hit_ratio;\r\n\r\n     relname      | cache_hit_ratio \r\n------------------+-----------------\r\n test             |           50.00\r\n pgbench_accounts |           96.00\r\n pgbench_history  |           99.00\r\n pgbench_tellers  |           99.00\r\n pgbench_branches |           99.00\r\n(5 rows)\r\n<\/code><\/pre>\n<p>\u7d22\u5f15\u7f13\u5b58\u547d\u4e2d\u7387\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code>select relname, indexrelname,\r\n   round(idx_blks_hit * 100 \/ (idx_blks_hit + idx_blks_read), 2)\r\n   as cache_hit_ratio from pg_statio_user_indexes\r\n     where idx_blks_read &gt; 0 order by cache_hit_ratio;\r\n\r\n     relname      |     indexrelname      | cache_hit_ratio \r\n------------------+-----------------------+-----------------\r\n pgbench_tellers  | pgbench_tellers_pkey  |           94.00\r\n pgbench_branches | pgbench_branches_pkey |           99.00\r\n pgbench_accounts | pgbench_accounts_pkey |           99.00\r\n(3 rows)\r\n<\/code><\/pre>\n<h1>\u5982\u679c\u8981\u6307\u5b9a\u8981\u5b89\u88c5\u7684\u6b21\u8981\u7248\u672c<\/h1>\n<p>\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u540e\uff0c\u60a8\u5c06\u770b\u5230\u53ef\u4ee5\u5b89\u88c5\u7684\u6240\u6709\u7248\u672c\u7684\u663e\u793a\u5982\u4e0b\u3002<br \/>\n\u60a8\u53ea\u9700\u4ece\u4e2d\u627e\u5230\u6240\u9700\u7684\u7248\u672c\u5e76\u8fdb\u884c\u5b89\u88c5\u5373\u53ef\u3002<\/p>\n<pre class=\"post-pre\"><code># yum --showduplicates search postgresql12-server\r\n\uff5e\u7701\u7565\uff5e\r\npostgresql12-server-12.0-1PGDG.rhel7.x86_64 : The programs needed to create and run a PostgreSQL server\r\npostgresql12-server-12.1-1PGDG.rhel7.x86_64 : The programs needed to create and run a PostgreSQL server\r\npostgresql12-server-12.1-2PGDG.rhel7.x86_64 : The programs needed to create and run a PostgreSQL server\r\npostgresql12-server-12.2-1PGDG.rhel7.x86_64 : The programs needed to create and run a PostgreSQL server\r\npostgresql12-server-12.2-2PGDG.rhel7.x86_64 : The programs needed to create and run a PostgreSQL server\r\npostgresql12-server-12.3-1PGDG.rhel7.x86_64 : The programs needed to create and run a PostgreSQL server\r\n<\/code><\/pre>\n<h1>\u5982\u679c\u662fPostgreSQL 12.3\u7248\u672c\u6216\u4ee5\u4e0a\u7684\u60c5\u51b5\u4e0b\u3002<\/h1>\n<p>\u4ece12.3\u5f00\u59cb\uff0c\u5b89\u88c5postgresXX-devel\u9700\u8981LLVM\u76f8\u5173\u7684\u5e93\u3002<\/p>\n<pre class=\"post-pre\"><code># yum -y install postgresql12-devel\r\n\uff5e\u7701\u7565\uff5e\r\nError: Package: postgresql12-devel-12.3-1PGDG.rhel7.x86_64 (pgdg12)\r\n           Requires: llvm-toolset-7-clang &gt;= 4.0.1\r\nError: Package: postgresql12-devel-12.3-1PGDG.rhel7.x86_64 (pgdg12)\r\n           Requires: llvm5.0-devel &gt;= 5.0\r\n<\/code><\/pre>\n<p>\u636e\u8bf4\u6dfb\u52a0EPEL\u3001SCL\u4ed3\u5e93\u5c31\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code># yum -y install epel-release centos-release-scl\r\n<\/code><\/pre>\n<h1>\u8bf7\u53c2\u8003<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PostgreSQL \u3092 CentOS \u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306b\u306f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PostgreSQL 12.0 Documentation<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">pgbench\u306e\u4f7f\u3044\u3053\u306a\u3057 by Let&#8217;s Postgres<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u73af\u5883 \u8fd9\u662f\u5173\u4e8e\u5728CentOS 7.5\u4e0a\u5b89\u88c5PostgreSQL12\u7684\u5907\u5fd8\u5f55\u3002 \u73af\u5883\u5982\u4e0b\uff1a CentOS 7.5 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41899","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5b89\u88c5 PostgreSQL12 \u5728 CentOS 7.5 \u4e0a - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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