For best results, influxdb servers must have a minimum of 1000 iops on storage to ensure recovery and availability. General hardware guidelines for clusters consensus nodes. Aside from three being a magic number, a three meta node cluster can tolerate the permanent loss of a single meta node with no degradation in any function or performance.
The Rest Of The Software Dependency List Is As Follows:
1000+ when running a cluster every member should have at least two cores. 255 mb minimum recommended cpu: The minimum required time to keep the bucket to get the rollups is 24h + 5m to get the downsampled values.
Using Influxdb (V1.1), I Have The Requirement Where I Want To Get The Last Entry Timestamp For A Specific Key.
Influxdb isn’t tested on hard disk drives (hdds). The right size surely depends on the hardware your influxdb instance runs on, so i can’t give any advice except that they should be a portion of the size of your available ram. Select sum (*) from measurement where field > 0 would return the sum of all of the rows.
You May Use Any Aggregation Functions That Influxdb Offers, But Let’s Keep It Simple For Example Purposes.
Memory consumption will increase a lot when the metrics store is offline though, as then metrics are cached in ram in. The setup is simple, where i have three measurements: The influxdb server is listening at ip address 127.0.0.1 and at tcp port 8086.
1000+ For Better Performance, We Recommend Having 8 Gb Ram And 4 Cpus Or More.
Click on the script editor button on the right hand side. Therefore, the minimum number of meta nodes for a high availability (ha) installation is three. The gatherer alone needs typically less than 50 mb if the metrics store is online.