【轉】postgresql 檢視資料庫叢集建立時間
阿新 • • 發佈：2018-11-04
原文連結：https://blog.csdn.net/ctypyb2002/article/details/80930809
使用 pg_controldata 檢視 Database system identifier
$ /usr/pgsql-10/bin/pg_controldata -D /var/lib/pgsql/10/data/ pg_control version number: 1002 Catalog version number: 201707211 Database system identifier: 6571787082216241690 Database cluster state: in production pg_control last modified: Thu 05 Jul 2018 05:17:31 PM CST Latest checkpoint location: 0/16D3DE0 Prior checkpoint location: 0/16D3D00 Latest checkpoint's REDO location: 0/16D3DA8 Latest checkpoint's REDO WAL file: 000000010000000000000001
執行下面sql
peiybdb=# select version(); version --------------------------------------------------------------------------------------------------------- PostgreSQL 10.4 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28), 64-bit (1 row) peiybdb=# SELECT to_timestamp(((6571787082216241690>>32) &(2^32 -1)::bigint)); to_timestamp ------------------------ 2018-06-27 23:30:16+08 (1 row) ---------------------
作者：peiybpeiyb
來源：CSDN
原文：https://blog.csdn.net/ctypyb2002/article/details/80930809
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