rra definition

---------------original content, reproduced please indicate the source. ------------I. OverviewRRDtool (Round-robin Database tool), which is the polling-based data base (note: Not equivalent to the polling scheduling algorithm in the computer), uses

By: ysuncn (You are welcome to reprint it. Please indicate the translator) The structure of the RRD database is different from that of other linear databases. Other databases define tables using columns or other parameters. This definition is

1 minutes of acquisition accuracy, you need to do the following before the acquisition of data to begin drawing4 things。1. 创建1分钟的RRA；2. 在Cacti Data Source 模板中修改“Step”和“Heartbeat”的值；3. 在系统 cron 中修改 poller 的轮询时间间隔；4. 在 Cacti 配置中修改

To understand how rrdtool is to be used first from the RRD data storage, RRDtool is to operate the tool of the database, copy the following text to explain.0x01 What is the RRD databaseThe so-called "Round Robin" is actually a way of storing data,

Ganglia: distributed monitoring system 1. Environment installation and configuration1.1 dependent Software Download Ganglia is a cluster monitoring software developed by Berkeley. Monitors and displays various status information of nodes in the

RRDtoolround robin DatabaseTool is a storage format for the ring database, round robin is a technique for processing quantitative data and pointers to current elements. RRDtool is mainly used to track the change of objects, generate these changes in

Cacti we also used for a long time, but its table structure has not been to care about, hollow smoked half the night time, the library table structure is probably looked under, some of the meaning of the field to share with you:Cacti data are stored

First, CACTI monitoring introduction1, Cacti IntroductionCacti is a set of graphical analysis tools for network traffic monitoring based on PHP,MYSQL,SNMP and RRDtool development.Simply put, cacti is a PHP program. It uses the SNMP protocol to

NagiosGraphicalPnpInstallation and configurationZTThe specific process is as follows: (1) After nagios is installed, continue to install pnp. Pay attention to the installation of rrdtool. Tar-xvzf pnp-0.4.13.tar.gz Cd pnp-0.4.13 ./Configure Make all

Environment Introduction: System: centos6.3 mini X64 IP: 172.16.1.200 Integrated Environment: Lnmp ------------------------------ Installation start: 1. Install the FCGI Module # Yum install-y perl-devel # Wget http://search.cpan.org/CPAN/authors/id/