How to Start a Host on Windows



1 - Download the latest JCL release on our Dowload page:

1.1 - Click "Downloads'

1.2 Then click at the  "JCL server/client binaries" link to download the ZIP with the deployable module binaries from the latest JCL release


2 - Unzip the dowloaded file in a familiar folder:

Note: The image below shows the process being done using 7-zip, but you can use another program

The JCL has a simple deploy that enables the components discovery, so you just need to start the Host.bat file. If no Server is started first no problem because JCL Host will work as a Server until a Server is deployed or indefinitely otherwise.



After starting Host.bat, a command prompt window will open. If everything goes well, the "Host JCL is OK" message will be printed. 

If you start only the Host, leting the JCL to perform the Server auto start, here is what you should see:



JCL bat and sh files to start Server, Super-peers and Hosts configure Java heap. By default JCL configures 2GB, as the figure below illustrates. JCL BIG Sorting requires at least 8GB per JCL host, since ir processes Terabytes of data. Raspberry Pi clusters normally requires 128 or 256 megabytes for Java heap. Just DO NOT FORGET TO CONFIGURE THE JAVA HEAP ACCORDING TO YOUR NEEDS!!