Yorgos Koliopoulos
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Articles
Recent activity by Yorgos Koliopoulos-
Querying the Snowplow Hosted Micro /events Endpoint
OverviewThis article explains how to query the Snowplow Micro /events endpoint when running Micro through the Snowplow Console. It covers exchanging your API key for a short lived access token, cal...
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[RESOLVED] Service Disruption Affecting Console and Pipeline Operations
Update (17 April 2026, 11:12 UTC): This incident is now resolved. All services have been restored.Pipeline processing jobs are now running normally and working through any backlog accumulated durin...
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Data quality Alerts- Slack integration FAQ
This FAQ covers the most frequently asked questions about the Slack integration for Data Quality Alerts. Is the App developed by the vendor (Slack)?No, the application is developed by Snowplow. It ...
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How the Snowplow pipeline is monitored
This article outlines the tools used by the Snowplow team to monitor a pipeline. MonitoringComponents emit statsd metrics which are collected by Container Monitor and pushed to Cloudwatch.Component...
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How to configure the Iglu Resolver
This article explains how to locate your Iglu server details in Console, generate a API key, and configure the Iglu Resolver to use your custom schema vendor. This is a step needed for some use cas...
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Failed inserts in BigQuery Loader 2.0.0
With the release of BigQuery v2, the events that fail to be loaded to BigQuery are now written to the bad rows pubsub topic sp-rt-pipeline-bad-prod1. Previously those failures where written to the ...
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Why is the EKS cluster publicly accessible?
It is common to receive alerts about malicious IP addresses attempting to probe the infrastructure, as automated scans and bot-driven attacks frequently occur across the internet. However, the EKS ...
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How to enable the Snowplow optimisations in a dbt package
Our packages make use of the standard dbt incremental materialization with an optimisation applied for incremental models.In order for the Snowplow optimisations to override the default ones of dbt...
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How to run specific data models
There are cases where you might want to run a specific data model from those you have installed. This can be achieved using the --select flag with your dbt command.For example, to build just the Un...
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How to check the SQL query that runs in a Data Visualization
Sometimes it's useful to see how data is populated in a Data Visualization graph or table, either for general understanding or for troubleshooting purposes. The SQL query that runs to fetch the dat...