Redshift Export

Last updated: Aug 24, 2022

What are the requirements for this app?

Using the Redshift Export app requires either PostHog Cloud, or a self-hosted PostHog instance running version 1.30.0 or later.

Not running 1.30.0? Find out how to update your self-hosted PostHog deployment!

You'll also need access to a Redshift Cluster to export to.

How do I install the Redshift Export app?

Create a Redshift Cluster
Make sure PostHog can access your cluster

This might require a few things:

Allowing public access to the cluster
Ensuring your VPC security group allows traffic to and from the Redshift cluster - If this is not possible in your case, you should consider using our S3 Export app and then setting up your own system for getting data into your Redshift cluster

Create a user with table creation privileges

We need to create a new table to store events and execute INSERT queries. You can and should block us from doing anything else on any other tables. Giving us table creation permissions should be enough to ensure this:

SQL

CREATE USER posthog WITH PASSWORD '123456yZ';
GRANT CREATE ON DATABASE your_database TO posthog;

Add the connection details at the configuration step in PostHog

Configuration

Option	Description
`Redshift host` Type: string Required: True	Example: `redshift-cluster-name.xxxxxxxxxxx.us-east-1.redshift.amazonaws.com`
`Cluster port` Type: string Required: True	Default: 5439
`Database name` Type: string Required: True
`Table name` Type: string Required: False	The plugin will create a table with this name to store the events in
`Username available to the plugin for accessing your database instance` Type: string Required: True	This user needs table creation access
`Password for the username specified above` Type: string Required: True	Make sure it's a strong one!
`Upload at least every X seconds` Type: string Required: True	If there are events to upload and this many seconds has passed since the last upload, send the events to Redshift. The value must be between 1 and 600.
`Maximum upload size in megabytes` Type: string Required: True	Always keep the uploaded files below this size limit, uploading more frequently than the time limit if needed. Events are kept in memory until then, so make sure your server has enough of it. The value must be between 1 and 10 MB.
`Events to ignore` Type: string Required: False	Comma separated list of events to ignore
`Data type to store properties` Type: choice Required: False	ADVANCED

Is the source code for this app available?

PostHog is open-source and so are all apps on the platform. The source code for the Redshift Export app is available on GitHub.

Who created this app?

We'd like to thank PostHog team members Yakko Majuri and Marius Andra, as well as community member Jean Roman for creating the Redshift Export app.

Who maintains this app?

This app is maintained by PostHog. If you have issues with the app not functioning as intended, please raise a bug report to let us know!

What if I have feedback on this app?

We love feature requests and feedback! Please create an issue to tell us what you think.

What if my question isn't answered above?

We love answering questions. Ask us anything via our Support page.

You can also join the PostHog Community Slack group to collaborate with others and get advice on developing your own PostHog apps.

Questions?

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