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Test - InfluxDB - Data Querying

Tester of the InfluxDB ability of querying time series data

Repository Structure

  • logs/, containing the log information of all the tests done;
  • resources/, containing the database credentials file and the logger properties;
  • src/main/java, containing the java source files;
  • standalone/, containing the JAR standalone version of this repository;
  • target/, containing the generated .class files after compiling the java code.

Requirements

The repository is a Maven project. Therefore, the dependency that will automatically be downloaded is:

  • InfluxDB JDBC Driver (2.8)

Installation and running the project

  • Run the project
    • Open IntelliJ IDEA
    • Compile the maven project
    • Execute the main method in the src/main/java/Main.java file.

Preparing an executable jar file

Since I couldn't manage to find a way with the command line, I used IntelliJ:

  • File > Project Structure...
    • Artifacts > + > JAR > From modules with dependencies
      • Select the model test_influxdb_data_querying
      • Select the main class Main.java
      • Ok
    • Tick Include in project build
    • Ok
  • Execute the JAR file:
    • If you have this repository available:
      • From the main directory, execute java -jar standalone/DataQueryingTest.jar.
    • If you need a proper standalone version:
      • Check the next paragraph.

Preparing the standalone version on the server

  • Connect to the unibz VPN through Cisco AnyConnect;
  • Open a terminal:
    • Execute ssh -t [email protected] "cd /data/sfracalossi ; bash";
    • Execute mkdir influxdb;
    • Execute mkdir influxdb/standalone_query;
    • Execute mkdir influxdb/standalone_query/resources;
    • Execute mkdir influxdb/standalone_query/logs;
  • Send the JAR and the help files from another terminal (not connected through SSH):
    • Execute scp standalone/DataQueryingTest.jar [email protected]:/data/sfracalossi/influxdb/standalone_query;
    • Execute scp resources/logging.properties [email protected]:/data/sfracalossi/influxdb/standalone_query/resources;
  • Execute the JAR file (use the terminal connected through SSH):
    • Execute cd influxdb/standalone_query;
    • Execute nohup java -jar DataQueryingTest.jar [l/s] [index_name] [test_table/test_table_n] > logs/out.txt &