rrd definition

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

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

　　1 grid Pyramid DefinitionPyramids can be used to improve performance. They are a reduced-sample version of the original raster dataset and can contain multiple downsampling layers. Each successive layer of the pyramid is downsampling at a scale of

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,

I. IntroductionRRDtool refers to the Round Robin Database tool, that is, the ring Database. In terms of functionality, RRDtool can be used for data storage + data display. The well-known network traffic plotting software MRTG and Cluster Monitoring

Deploying Ganglia to monitor Hadoop and HBase Some performance problems often occur during Hadoop O & M. However, performance problems cannot be simply analyzed through web pages and logs. Many metrics are required. Ganglia is one of the more

---------------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

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 defines three types of templates: Host Template Data Template Graphic Template Host templates)It is a collection of image templates and data queries. It describes the images that need to be generated by monitoring a certain type of

Gmetad is primarily used to collect and aggregate Gmond data collected by the daemon, listening to other Gmetad connections through TCP port 8651, and provide the authorized host with an XML-formatted network status, Gmetad through TCP port 8652 to