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Version: 0.9

Best Practices

We recommend you follow the best practices that are described below. Following these best practices will help to ensure that your Tecton deployment runs well in production.

Scale Tecton serving capacity

Most customers want to use Tecton's real-time serving capability via its REST API. By default, your feature servers are scaled for a development load, which is approximately 50 qps. Prior to production, we will work with you to scale your feature servers to handle your expected load with headroom, to allow for spikes in traffic. If you anticipate major spikes in traffic, please reach out to us ahead of time so we can account for this. We also have customer-controlled scaling of feature servers in private preview. This means you can gradually scale up your feature servers at your own pace without the need for our intervention.

We recommend customers scale up traffic gradually, and notify us when they enable Tecton in production, so we can be especially attuned to any anomalies that may occur.

Use dashboards to monitor your cluster

Our engineers monitor your clusters and are alerted in case of errors in operation.

In addition, there are a number of dashboards that are available to you in your cluster via the web UI:

  • Under the "Services" tab, "SLO Monitoring" and "Online Store Monitoring" allow you to view whether we're meeting our service level objectives for Tecton feature serving.

  • The "Job" tab shows all feature materialization jobs. You can filter for jobs that are retrying or failing, which may indicate an issue with spot instance availability in your AWS region or issues with your transformation logic.

    • If you click the Feature View associated with a particular job, it will take you to the Materialization tab of that Feature View and show you batch and/or stream job clusters and error logs, if they have failed or are being retried. For EMR customers, make sure you are logged into your Tecton AWS account before clicking the link.
  • Under the "Features" tab, there is a "Monitoring Summary" tab that gives summary statistics about Feature View materialization. As noted above, each Feature View has its own materialization tab with information about individual materialization jobs.

Use variants when updating Feature Views and Services

We suggest you use our "variant" naming convention when modifying production Feature Views and Feature Services. While under the hood, Tecton will create new Feature Services and views, they will show up in the web UI as a variant for better organization.

  • For Feature Views: Tecton by default uses the name of the transformation function as the name of the Feature View. You can specify a variant by using naming convention of adding a colon and tag at the end of the name: name="my_feature_view:v2".

  • For Feature Services: In the name field, add a colon and a tag at the end of the name. For example, if you have a Feature Service with name=my_feature_service, then you might create a modified version of this Feature Service called my_feature_service:v2.

Variants are available for Tecton on Databricks or EMR and will be coming to Tecton on Snowflake in a future release.

Add monitoring alerts

In addition to the monitoring tools above, Tecton can proactively email you for specific materialization errors. Please consult this page for more information. We highly recommend you add these configs to each Feature View in production so you can be alerted to materialization errors. If you have a paging service like PagerDuty, we suggest you use a PagerDuty-connected email address for these alerts.

When needed, open tickets in the Jira Support Portal

You can flag issues on your side using the Jira Support Portal that we have set up for you, and we will respond within our contractual SLAs. Please note that our SLAs only apply to Jira tickets due to the alerting policies we have set up there. P0 issues will page our on-call engineer 24 hours/7 days a week. Please reserve P0 priority for those issues affecting you in production with no workaround. We can also provide you an email address that is connected to our on-call paging service in case one of your team members needs to urgently contact Tecton support and does not have access to Jira.

Provide Tecton Support with your email address

We recommend you provide Tecton Support with an email address so that Tecton can manually page you for critical issues outside of working hours.

Integrate with CI/CD

One benefit of Tecton's code-first configuration and declarative syntax is that you can leverage CI/CD systems to apply your feature repository changes to production.

We recommend that you store your production code in a Git repository. If that repository is connected to a CI/CD tool, such as Github Actions, then you can configure the CI/CD tool to plan or apply your feature repository upon changes. Please see this documentation page for more information and examples.

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