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Techila Community Forums • View topic - Read this if you are having trouble starting Techila Workers

Read this if you are having trouble starting Techila Workers

Read this if you are having trouble starting Techila Workers

Postby techila support » 2016-03-16 13:25:05

When using the to start , you will need sufficient in order for the deployment process to work properly. Each Techila Worker is a VM instance, which requires one IP address, 50 GB of persistent disk and some CPU cores (the amount of required CPU cores is defined by the VM instance type).

When starting Techila Workers, the Techila Configuration Wizard will display a warning message if you try to exceed your CPU core quota.

However, the Techila Configuration Wizard does not detect if the Techila Worker deployment would exceed your "Total persistent disk reserved (GB)" or "In-use IP addresses". If these quotas are exceeded during deployment, all Techila Workers will not be started. For example, lets assume that you have the following quota limits:

CPUs: 100
VM instances: 100
Total persistent disk reserved (GB): 5000
In-use IP addresses: 20

The Techila Server (n1-standard-4) would use 4 CPU cores, 64 GB disk space and 1 IP address. This means that you would have the following quota available for Techila Workers:

CPUs: 96
VM instances: 99
Total persistent disk reserved (GB): 4936
In-use IP addresses: 19

Let's then assume that you would try to start 30 n1-standard-2 VM instances. This would use the following resources:

CPUs usage: 30 * 2 =60
VM instance usage: 30 * 1= 30
Total persistent disk reserved (GB): 30 * 50 = 1500 GB
In-use IP addresses: 30

All other quotas would be sufficient, but the required amount of In-use IP addresses (30) would exceed the remaining amount in the quota (19). This means that only 19 Techila Workers would be started, not the requested 30.

Information about how to request a quota increase can be found on the following page:

https://cloud.google.com/compute/docs/r ... s?hl=en_US
Techila MATLAB documentation available here:

http://www.techilatechnologies.com/help ... ngine.html
techila support
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