postgresql monitoring

Have you ever accidentally deleted a database table or damaged the disk where the database is stored? If you encounter this situation, I believe you will feel very frustrated, because the results of your hard work for a few weeks may be overwhelmed. Just like anything that contains precious data, PostgreSQL databases should also be backed up frequently. If you store data in a PostgreSQL table, you can back

DescriptionI am using the root user login at the terminal, if the non-root user, that in the command before the need to add "sudo", you understand ...First step: Install PostgreSQL under Ubuntu1. Installing with Apt-get Install[Email protected]:~# apt-get install-y postgresql-9.1 postgresql-client-9.1 postgresql-contri

I've explained more about monitoring, storage, and presentation of a monitoring point in my world of surveillance 1 ~ 4. But in the real world, the whole world is more like a graph, each point can be a monitoring point, and the edge is their call relationship or data flowExample:webserver–> MySQLFor one of the simplest web services, it may consist of two parts, w

PHP implements server status monitoring, and php implements server monitoring. PHP implements server status monitoring. php implements server monitoring. This article describes how PHP implements server status monitoring. Share it with you for your reference. The specific an

Writable computed observables writable computed monitoring propertiesThe requirements for writable monitoring properties are high and are not commonly used in most situations.In general, the computed monitoring property has a value calculated from other monitoring properties, and it is usually read-only and looks stran

Data MonitoringKo's three built-in core features: monitoring ( observable dependency tracking ) Declaration bindings ( Span style= "COLOR: #222222" >declarative bindings " template ( templating ) On this page, you will learn the first of three core features. But before we do, let's look at the concept of the MVVM pattern and The concept of the view model .MVVM pattern and view modelModel-View-view model

Do you want to see the changes in usage of your Memcached server and Java Virtual Machine? Do you want to see the changing trend of online users in your forum in one day? Want to customize monitoring items as needed based on actual business conditions? Hellip; in monitoring treasure, custom monitoring all get activity details 1. Free application portal: http://c

Monitoring MySQL monitoring transaction hanging (RUNNING) alarm notification in Nagios Preface:An error occurred while submitting the business alarm order. The page was not responded. After troubleshooting, the transaction was not committed or rolled back. I thought that if the operation status of the transaction was monitored in time, in this way, you can troubleshoot the problem in time to facilitate oper

[Book FEED] experience monitoring Bao custom monitoring to send you the it o M path Do you want to see the changes in usage of your Memcached server and Java Virtual Machine? Do you want to see the changing trend of online users in your forum in one day? Want to customize monitoring items as needed based on actual business conditions? ...... In the

Last year in December, the current company, just came to the company when my buddies threw me a document, said Millet surveillance (open-falcon) documents let me look carefully, was more surprised, originally just used Cacti,nagios and Zabbix, did not listen to millet monitoring. Later learned that this is the millet operation and maintenance department of their own open-source distributed monitoring softwa

The basic installation configuration for Nagios monitoring is summarized above and now summarizes the Nagios monitoring deploymentOne, Nagios server monitoring deployment1. Nagios Server directory and related configuration file descriptionAfter Nagios installation is complete, the/usr/local/nagios/directory will generate Nagios-related directories and configurati

Now, when talking about free databases, most people may first think of MySQL. Indeed, MySQL has been applied in many domestic fields, especially in website setup. However, PostgreSQL is actually the most powerful, rich, and complex free database. Many of its features are the predecessor of many commercial databases such as Oracle and DB2. As a matter of fact, I recently came into contact with PostgreSQL be

Document directory Use PostgreSQL database for PHP Development Use PostgreSQL database for PHP Development Author:Heiyeshuwu Use PostgreSQL database for PHP Development Note: The following content is more about how to install the environment. There is almost no actual development content. You can consider whether to read this article.

According to my knowledge, three of the four domestic databases are developed based on PostgreSQL. In addition, because of the flexible license, anyone can use, modify, and distribute PostgreSQL for free for any purpose, whether it is private, commercial, or academic research. This article only briefly introduces the installation and simple use of postgresql, and

In this article, we use the MySQL 4.0.2-alpha to compare with PostgreSQL 7.2, because the MySQL 4.0.2-alpha begins to support the concept of the transaction, so this comparison is more advantageous for MySQL. We don't want to be just a performance test report, because at least from my point of view, stability and speed do not represent everything for a database. For a mature database, stability is certainly increasingly available. With the rapid impro

Tags: Java c language database triggers andI. Introduction of PostgreSQL1. What is PostgreSQLThe PostgreSQL database is the most powerful open source database available, supporting rich data types such as JSON jsonb type, array type, and custom types. And it provides a rich interface that can easily extend its functionality, such as the ability to implement its own index type in the gist framework, and it also supports writing custom functions, trigge

What does a surveillance system need to monitor?From the granularity, from small to large can be listed: one or two lines of code, a method, a service interface, a service call chain, an application service (application port, JVM CPU and memory consumption, etc.), hardware (CPU, network card, hard disk, etc.).The monitoring of the method can be extended to the monitoring of the HTTP link/connection pool, th

Original address: Http://aspnet.4guysfromrolla.com/articles/031407-1.aspx Introduced In previous articles (translator Note: ASP.net 2.0 health Monitoring System (Health monitoring) (1)-basic applications, ASP.NET 2.0 Health monitoring System (Health monitoring) (2)- By emailing the

Operating System: Debian 3.0 r2 Kernel used: linux-2.4.23 The module used in the experiment: ipvsadm-1.21, PostgreSQL (detailed usage of ipvsadm command please refer to here) Function Description: This is a simple experiment on linuxvirtualserver. It is about how to achieve load balancing between two PostgreSQL databases. This experiment has three purposes: 1. A friend's needs; 2. I haven't looked at LVS fo

In Linux, I like source code installation. I personally feel that he will not lose all files. Step 1: Download the source code package : Http://ftp.postgresql.org/pub/source/v9.1.4/postgresql-9.1.4.tar.gz If you need to install another version, you can go to http://www.postgresql.org/ftp/source/ Step 2: preparations before installation Yum install-y zlib-devel Readline-devel Step 3: decompress and compile Tar-zxvf