system_stats 是由 EnterpriseDB 开源的一个 PostgreSQL 扩展插件,提供了数据库服务器 CPU、内存、磁盘和网络相关的统计指标,可以用于替代操作系统级别的监控。 安装system_stats system_stats 源文件位于 GitHub,支持 Linux、macOS 以及 Windows 操作系统。 对于Linux 和 macOS,可以使用 PGXS 框架进行编译安装: tar -...
1、下载安装包 Releases · EnterpriseDB/system_stats () 2、切换到postgres账户 su- postgres 1. 3、解压安装包 sudotar-zvxfsystem_stats-2.0.tar.gz 1. 4、安装依赖包 aptinstallpostgresql-server-dev-all 1. 5、切换到软件安装目录 cdsystem_stats-1.0/PATH="/usr/lib/postgresql/16/bin/:$PATH"makeU...
Amazon Aurora PostgreSQL-Compatible Edition adds support for the pg_proctab extension. pg_proctab is a collection of stored functions that can access the operating systems process table so that system statistics can be queried through the database. pg_proctab functions ...
5 deadlocks 这个数据库发生死锁的次数 6 stats_reset 的意思是以上信息生效的时间,也就是这台机器上次重启动或开启的时间。 从统计和分析的角度来说,获取这些数据可以分析出例如升级完毕后系统的稳定性,或者变动的一些特性有助于发现问题。 pg_stat_bgwriter 这个表本身要从 postgresql 写数据开始,PG写数据到磁盘上...
6 stats_reset 的意思是以上信息生效的时间,也就是这台机器上次重启动或开启的时间。 从统计和分析的角度来说,获取这些数据可以分析出例如升级完毕后系统的稳定性,或者变动的一些特性有助于发现问题。 pg_stat_bgwriter 这个表本身要从 postgresql 写数据开始,PG写数据到磁盘上是有几种不同的路径的,数据在内存中...
One keyset table is created as a global temporary table per connection per session. Because it is a temporary table, the keyset table is deleted when the user disconnects from the geodatabase.However, you may notice the temporary schemas created by PostgreSQL to store this table remain....
pg_catalog: contains PostgreSQL metadata tables. table_name The name of the table. Hologres provides the following system tables: hologres.hg_insert_progress_stats: contains the execution progress information of theINSERTstatement. hologres.hg_table_properties: contains the indexes and properties of tab...
repmodelcharThe method used for data replication. The values of this column corresponding to different replication methods are: Citus statement-based replication: ‘c’, postgresql streaming replication: ‘s’, two-phase commit (for reference tables): ‘t’ ...
System administration functions,PolarDB:The functions described in this section are used to control and monitor a PostgreSQL installation. The table below shows the functions available to query and alter run-time configuration parameters.
PostgreSQL compatibility Connections Concurrency control Data definition language Primary keys Async indexes System tables and commands Programming with Aurora DSQL Utilities, tutorials, and sample code Security Tagging resources Known issues Quotas and limits ...