I am using grafana with opentsdb. I can create charts with avg, max, min etc but I dont see how a trend can be added. Is it possible to put trend line on charts in grafana?

I'm building a one-off smart-home data collection box. It's expected to run on a raspberry-pi-class machine (~1G RAM), handling about 200K data points per day (each a 64-bit int). We've been workin...

How can I send metrics from my spark streaming job to open tsdb database? I am trying to use open tsdb as data source in Grafana. Can you please help me with some references where I can start. I ...

I created a new Graph in Grafana that takes data from OpenTSDB. The Alias field has the following value: Label $metric $tag_host. when it is interpreted, it looks like this: Label $metric my...

I set up a hbase cluster to store data from opentsdb. Recently due to reboot of some of the nodes, hbase lost the table "tsdb". I can still it on hbase's master node page, but when I click on it, i...

They both are open source distributed time series databases, OpenTSDB for metrics, InfluxDB for metrics and events with no external dependencies, on the other OpenTSDB based on HBase. Any o...

I'm new to OpenTSDB. I somehow managed to install and configure OpenTSDB, but I don't know how to put data into OpenTSDB from client. Can anyone of you help me?

I am trying to install OpenTSDB on Ubuntu, and I am following this documentation. But after running these commands: git clone git://github.com/OpenTSDB/opentsdb.git cd opentsdb running this comm...

I am facing to a problem: database for process plants. There are up to 50,000 sensors at sampling rate of 50 ms. All measured values need to be stored at least 3 years and must support real-time qu...

I'm new with TSDB and I have a lot of temperature sensors to store in my database with one point per second. Is it better to use one unique metric per sensor, or only one metric (temperature for ex...

I used OpenTSDB over HBase (pseudo-distributed Hadoop on virtual box) to send data at very high load (~ 50,000 records / s). The system worked properly for a while but it went down suddenly. I term...

I'm using Qt4 to post some data points to a OpenTSDB server, which doesn't supports chunked HTTP requests. The code is basically this: QNetworkRequest request(m_url); request.setHeader(QNetworkRe...

Using OpenTSDB we are capturing the number of bytes sent over the network interface per second. When graphing these figures the Y axis has scientific notation (i.e. 5e+07). The help text for the y-...

I am interested in knowing if there is any alternative to rrdtool for logging time series data. I am looking at something that can scale for a large number of devices to monitor. From what I read ...

We are trying to use HBase to store time-series data. The model we have currently stores the time-series as versions within a cell. This implies that the cell could end up storing millions of versi...

I would really appreciate if somebody put some light on the choice of HBase as a data storage engine for OpenTSDB? Which other choices, such as Whisper (Graphite front-end + Carbon persistence), w...

I want to store millions of time series entries (long time, double value) with Java. (Our monitoring system is currently storing every entry in a large mySQL table but performance is very bad.) Ar...