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Chris GwilliamsandCharis Lam
34022bd570
* add replication section with instructions for services * address comments and neturalise tone * formalised overview and simplified faq * reviewdog silenced (mostly) * move individual tools into tab group and reduce mention of subscriptions * fix tab components * correct postgres typos and others * removed individual service pages and added section for monitoring slots * update nav menu and add information for monitoring * update monitoring docs * added example queries for tracking replication and removed overview * added spelling rules for Xmin and cleaned up CDC format * edits & reorganization --------- Co-authored-by: Charis Lam <26616127+charislam@users.noreply.github.com>
42 lines
1.7 KiB
Plaintext
42 lines
1.7 KiB
Plaintext
---
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id: 'replication-faq'
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title: 'FAQs'
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description: 'Considerations and FAQs when setting up replication'
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sidebar_label: 'FAQs'
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---
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# Which connection string should be used?
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Always use the direct connection string for logical replication.
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Connections through a pooler, such as Supavisor, will not work.
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# The tool in use does not support IPv6
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You can enable the [IPv4 add-on](/guides/platform/ipv4-address) for your project.
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# What is XMIN and should it be used?
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Xmin is a different form of replication from logical replication and should only be used if logical replication is not available for your database (i.e. older versions of Postgres).
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Xmin performs replication by checking the [xmin system column](https://www.postgresql.org/docs/current/ddl-system-columns.html) and determining if that row has already been synchronized.
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It does not capture deletion of data and is **not recommended**, particularly for larger databases.
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# Can replication be configured in the Dashboard?
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You can view [publications](https://supabase.com/dashboard/project/default/database/publications) in the Dashboard but all steps to configure replication must be done using the [SQL Editor](https://supabase.com/dashboard/project/default/sql/new) or a CLI tool of your choice.
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# How to configure database settings for replication?
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Yes. Using the Supabase CLI, you can [configure database settings](/guides/database/custom-postgres-config#cli-configurable-settings) to optimize them for your replication needs. These values can vary depending on the activity of your database size and activity.
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# What are some important configuration options?
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Some of the more important options to be aware of are:
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- `max_wal_size`
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- `max_slot_wal_keep_size`
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- `wal_keep_size`
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- `max_wal_senders`
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