OpenTSDB vs RRDtool

OpenTSDB

6.7 #14 in Time-Series Databases

About OpenTSDB

RRDtool

5.7 #34 in Time-Series Databases

About RRDtool
OpenTSDBRRDtool
Free planYesNo
Free trialNoNo
Paid fromFree—
Open sourceNoNo
Platformsapi, Linux, self-hosted, WindowsWindows, Linux
Free planYesYes
Deploymentself_hostedself_hosted
SQL supportNo—
Retention policiesNoYes
Horizontal scalingYes—
Query languagesOpenTSDB query syntax—
Ingestion methodsTelnet API, HTTP API, batch import, Java librarycommand line; standard-input pipes; Perl; Python; Ruby; Lua; Tcl

Both are listed in Best Time-Series Databases. On The Geeks Club, OpenTSDB scores higher on our published basis.