QuerySurge Agent Installation Location
Agents should be installed on wire-connected platforms on the same network as your QuerySurge App server. Installing Agents on machines that might be connected via WiFi or by VPN will not only send potentially large amounts of data over a narrow connection but may also expose data on an insecure connection. Additionally, network topology, especially over VPN, may slow or interfere with the connection.
QuerySurge Agent Installation
Prepare for Installation
- Download the QuerySurge Installer to the machine(s) you want to install the Agent on. Note that you must use the same installer version to install an Agent as your QuerySurge version.
- At the linux prompt on each machine, use the cd command to go to the directory in which you have downloaded the installer.
- At the prompt, issue the command ls –al to check the filename. You should see a listing similar to the following (where ‘x.x.x’ is the QuerySurge version number):
-rw-rw-r--. 1 root root 232635922 Nov 21 11:07 querysurge-installer-x.x.x-linux-x64.run - To make the installer file executable, type
chmod +x <filename>at the prompt, where <filename> is the QuerySurge installer name from the previous command:chmod +x querysurge-installer-x.x.x-linux-x86.run - Type
ls -al again to confirm the change; at the left of the file listing, you should see rwxrwxr-x:-rwxrwxr-x. 1 root root 232635922 Nov 21 11:07 querysurge-installer-x.x.x-linux-x64.run
Install a QuerySurge Agent
- On a box designated for a QuerySurge Agent, issue the following command at the prompt: ./<filename> where
<filename>is the QuerySurge installer (where ‘x.x.x’ is the QuerySurge version number):./querysurge-installer-x.x.x-linux-x86.run
If the box has a desktop, then use:./querysurge-installer-x.x.x-linux-x86.run --mode text - Press the 'Enter' key as required to review the license agreement, which begins:
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Welcome to the QuerySurge Setup Wizard.
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Please Please read the following License Agreement. You must accept the terms of this agreement before continuing with the installation.
Press [Enter] to continue :
EVALUATION AGREEMENT
THIS EVALUATION AGREEMENT (?AGREEMENT?) IS ENTERED INTO BY AND BETWEEN REAL-TIME
TECHNOLOGY SOLUTIONS, INC. (?RTTS?) AND ?EVALUATOR?. BY CLICKING ON THE
"ACCEPT" BUTTON, YOU OR THE ENTITY OR COMPANY THAT YOU REPRESENT (?EVALUATOR?)
ARE UNCONDITIONALLY CONSENTING TO BE BOUND BY AND ARE BECOMING A PARTY TO THIS
AGREEMENT. EVALUATOR?S INSTALLATION AND USE OF THE PRODUCT SHALL ALSO
CONSTITUTE ASSENT TO THE TERMS OF THIS AGREEMENT. IF EVALUATOR DOES NOT
UNCONDITIONALLY AGREE TO ALL OF THE TERMS OF THIS AGREEMENT, CLICK THE "CANCEL"
BUTTON. IF THESE TERMS ARE CONSIDERED AN OFFER, ACCEPTANCE IS EXPRESSLY LIMITED
TO THESE TERMS. BY CLICKING ?ACCEPT? YOU ACKNOWLEDGE AND AGREE ON BEHALF OF
YOURSELF AND YOUR EMPLOYER TO BE BOUND TO THIS AGREEMENT. YOU REPRESENT THAT
YOU ARE AUTHORIZED TO ACCEPT THIS AGREEMENT ON YOUR EMPLOYER?S BEHALF. -
Type 'y' to accept the license agreement:
Press [Enter] to continue :
Do you accept this license? [y/n]: y
- Specify the directory where you want QuerySurge to be installed or press 'Enter' to accept the default location:
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Please specify the directory where QuerySurge will be installed.
Installation Directory [/opt/QuerySurge]: - Type 'y' at 'Agent' to install the Agent and 'N' for all other components.
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Select the components you want to install; clear the components you do not want to install.
Database [Y/n]: N
App Server [Y/n]: N
Agent [Y/n]: Y
Tutorial + Sample Data [Y/n]: N
Command Line API [y/N]: N
Test Management Tool Connectors [y/N]: N - Press the 'Enter' key to confirm your selections
Is the selection above correct? [Y/n]: y - Press the 'Enter' key to confirm installation of QuerySurge as a service:
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Install Service
Install QuerySurge as a service
Install as a service? [Y/n]: y - Type 'y' for each of the bundled JDBC driver selections that you want to deploy:
Oracle (ojdbc7) [y/N]:
Teradata (terajdbc4) [y/N]:
Sybase (jTDS 1.3.1) [y/N]:
Flat File and XML (JStels) [Y/n]:
MS SQL Server (sqljdbc4) [y/N]:
MySQL (Connector/J 5.1.33) [Y/n]:
Amazon Redshift [y/N]:[1] –Select—
[2] Apache Hive 1.2.1
[3] Cloudera CDH 5.5
[4] Hortonworks 2.3
Please choose an option [1] :Note: If you do not see your specific data source technology listed, you will be able to add additional vendor drivers to QuerySurge post-installation. See your vendor website for driver download information. The procedure for "manually" adding a driver to an Agent is discussed here.
- You will need to accept the license terms for the drivers you have selected by typing 'y' at each request.
- Press the 'Enter' key to test the connection with the QuerySurge App Server:
Test Agent Connection
With Server [y/N]: y - Enter the hostname and port for the QuerySurge App Server. You may use the IP address or the hostname of the QuerySurge App Server. The default HTTP Port is 80.
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Agent Connection
QuerySurge agents need a connection to the QuerySurge App server.
The hostname of the QuerySurge App server
Hostname []: <Hostname of App Server>
The port of the QuerySurge server
Port [80]: <App Server HTTP Port> -
Press the 'Enter' key to confirm the installation of QuerySurge
Setup is now ready to begin installing QuerySurge on your computer. Do you want to continue? [Y/n]: y
------------------------------------------------------------------ - The QuerySurge Agent should install. This will take several minutes (< 10 min)
- Once the installer has completed, your QuerySurge Agent should be installed, and should have self-registered with QuerySurge, but it will not be Enabled. Log into QuerySurge as a QuerySurge Admin user, and navigate to the Admin view. In the upper left of the Admin view, click on Agents in the Admin tree. A list of existing Agents will show in the grid in the main panel. Locate the Agent you have just installed, and Enable it by clicking on the checkbox in the Enabled column. In the lower right of the main panel, click on the Refresh button. You should now see in the Last Ping column that the Agent has successfully pinged into QuerySurge.
- You may want to install additional Agents (a minimum of one is required). Currently, there is a limit of one Agent install per Operating System (OS). You can repeat this procedure on additional OS's.
QuerySurge Agents
QuerySurge Agents are delegated the actual query tasks by QuerySurge. By default, the QuerySurge Agent installs as a service – so it will start automatically when your Agent platform restarts, does not require a user to be logged in and has no user interface.
Deploy your Agent(s) to suitable boxes in your environment. While Agents may be deployed to any Red Hat Linux platform from RHEL 5 onward, please note that the physical resources (principally RAM) of the deployment platform may limit the overall resultset size your Agents can handle. More memory is always better.
Enable your QuerySurge Agent
To enable a QuerySurge Agent, complete the following steps:
- When you installed the Agent, you connected the Agent to QuerySurge (Step 10 above). This allowed the Agent to automatically register itself with QuerySurge. However, while the Agent is registered, it is not enabled.
- To enable your Agent, log into QuerySurge as a QuerySurge Admin. Use the menu or the toolbar to go to the Admin view in QuerySurge. Click on the Agents node in the left nav tree. Find your new Agent (it will usually be identified by either the machine name or IP address of the machine it is installed on), and click the Enabled checkbox to the left of the Hostname of the Agent installation.
Once you have done this, the Agent should connect to QuerySurge and be ready to execute queries.
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