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docs: clarify we don't load balance across read replicas

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PR-URL: https://github.com/hasura/graphql-engine-mono/pull/10800
GitOrigin-RevId: 39da1b7d7de924a19b0671a5e03c70ccd95ab57b
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Anon Ray 2024-05-08 15:26:40 +05:30 committed by hasura-bot
parent aa109ba331
commit 516cbd59e8
4 changed files with 6 additions and 5 deletions
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2
docs/docs/databases/database-config/read-replicas.mdx
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@ -26,7 +26,7 @@ import ProductBadge from '@site/src/components/ProductBadge';
## Introduction
Hasura Cloud and Hasura Enterprise can load balance queries and subscriptions across _read replicas_ while sending all
Hasura Cloud and Hasura Enterprise can route queries and subscriptions across _read replicas_ while sending all
mutations and Metadata API calls to the primary.
## Adding read replica URLs

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docs/docs/deployment/performance-tuning.mdx
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@ -70,8 +70,9 @@ connections of the Postgres instance.
#### `HASURA_GRAPHQL_CONNECTIONS_PER_READ_REPLICA`
With Read replicas, Hasura can load balance multiple databases. However, you will need to balance connections between
database nodes too:
With Read replicas, Hasura can route queries and subscriptions to multiple
databases. However, you will need to balance connections between database nodes
too:
- Master connections (`HASURA_GRAPHQL_PG_CONNECTIONS`) are now used for writing only. You can decrease max connections
lower if Hasura doesn't write much, or share connections with other Hasura nodes.

2
docs/docs/enterprise/overview.mdx
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@ -107,7 +107,7 @@ import Enterprise from '@site/static/icons/features/enterprise.svg';
<div className="card">
<h3>Read Replicas</h3>
<p>
Learn how to configure read replicas in Hasura Enterprise Edition to load balance your database queries and subscriptions.
Learn how to configure read replicas in Hasura Enterprise Edition to distribute your database queries and subscriptions across multiple replica instances.
</p>
</div>
</VersionedLink>

2
docs/docs/faq.mdx
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@ -251,7 +251,7 @@ This compiler-based approach allows Hasura to form a single SQL query for a Grap
Hasura Cloud lets you scale your applications automatically without having to think about the number of instances,
cores, memory, thresholds etc. You can keep increasing your number of concurrent users and the number of API calls and
Hasura Cloud will figure out the optimizations auto-magically. Hasura Cloud can load balance queries and subscriptions
Hasura Cloud will figure out the optimizations auto-magically. Hasura Cloud can route queries and subscriptions
across read replicas while sending all mutations and Metadata API calls to the master. Learn more about Horizontal
scaling with Hasura, [here.](https://hasura.io/learn/graphql/hasura-advanced/performance/2-horizontal-scaling/)
Additionally, Hasura Community Edition can be scaled horizontally by adding more Hasura instances to your deployment.