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Questions tagged [opentsdb]

OpenTSDB is a distributed, scalable Time Series Database (TSDB) written on top of HBase.

252 questions
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How to use Metric value in Alias?

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 myhost1 ... Label $metric myhostn but I want to look like…
ROMANIA_engineer
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3 answers

Time Series Databases - Metrics vs. tags

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 example) with distinct tags depending sensor?? I…
B 7
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3 answers

Mongodb vs Timeseries Database for timeseries data

We have certain linux devices which send data like battery percentage, cpu utilization, ram utilization, etc. in certain intervals. We want to run analytics for this data. Should we capture this data in…
suraj shukla
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Access OpenTSDB data through Spark

I currently have a HBase database on which is running an OpenTSDB instance. The OpenTSDB data needs to be processed in a distributed manner. I actually know that OpenTSDB stores the collected metrics and values on HBase. However, it is stored as…
MehdiOua
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Multiple series for multiple tags in one Grafana graph

Is it possible to create a graph in Grafana using OpenTSDB as data source where it has multiple metrics and each metric has multiple values for the same tag? Say I have load.average.1m and load.average.5m, and each of the two has host tag as host1,…
user7291906
4
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2 answers

hbase openTSDB auto delete data after a certain time

I am using openTSDB to store time series data with hbase as the storage system. I was wondering if there is a way to reduce the resolution of the data after a certain time? What I mean by reducing the resolution of the data is, say originally, we…
venuktan
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Directly query kairosdb column families

I'm trying to pull some time series data from Cassandra. The data is being put there by an external application and it is using KairosDB to write the data (based on OpenTSDB). I don't have the option of putting the KairosDB libraries into the…
Jeff
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Python socket to replace netcat in OpenTSDB

I am trying to use python socket instead of netcat to send metric data to OpenTSDB, but got no luck. Can anybody let me know if it is possible to do so? import socket s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect(("hostname",…
Sheng
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2 answers

HIVE/HDFS for realtime storage of sensor data on a massive scale?

I am evaluating sensor data collection systems with the following requirements, 1 million endpoints sending in 100 bytes of data every minute (as a time series). Basically millions of small writes to the storage. This data is write-once, so…
user393144
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hbase applying patch

Currently I'm saving data to Opentsdb, and at some point I get the following error : ERROR [AsyncHBase I/O Worker #13] RegionClient: Uncaught error during de-serialization of MultiAction(batch=........... I did some searching, and found out the…
Jin
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2 answers

OpenTSDB some data lost

I'm working with Google Cloud Platform GKE, and using kubernetes now. I am trying to use OpenTSDB through google Bigtable and it's QA time. but it has been unexpected bugs shown when I just put some data but, it is not shown. Even long time goes…
Way Lee
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1 answer

Difference between time series database and streaming analytics engine like spark streaming

Can a time series database do everything that a streaming analytics system (like spark streaming / flink / kinesis analytics) can? Does one subsume the other? I am not looking for which one is better. Just understanding what different use cases that…
user855
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Is there a way to overlap different time time graphs in grafana using datasource as OpenTSDB

We are using grafana to display graphs over OpenTSDB for our performance test results, so we have a use case in which we would like to compare a test metrics with benchmark results or different timestamp, so is there a way we can compare? i know it…
shivamgoel
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How to delete metrics in opentsdb using http api

How to delete metrics in Opentsdb using HTTP API based on given time period. http query and metric name
Venkatesh Boya
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3
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3 answers

Maximum number of tags allowed in OpenTsdb

What is the maximum number of tags allowed in openTsdb? I read some of the documents and it seems that the default value is 8. But I am confused that whether the maximum number is 8 or is it configurable to a higher value. I know lesser number of…
Vraj Solanki
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