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[Hyperdrive] Remove query duration limit #33209

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[Hyperdrive] Remove query duration limit #33209

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31 changes: 15 additions & 16 deletions src/content/docs/hyperdrive/platform/limits.mdx
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Expand Up @@ -14,10 +14,10 @@ The following limits apply to Hyperdrive configurations, connections, and querie

These limits apply when creating or updating Hyperdrive configurations.

| Limit | Free | Paid |
| ------------------------------ | --------------------- | --------------------- |
| Maximum configured databases | 10 per account | 25 per account |
| Maximum username length [^1] | 63 characters (bytes) | 63 characters (bytes) |
| Limit | Free | Paid |
| --------------------------------- | --------------------- | --------------------- |
| Maximum configured databases | 10 per account | 25 per account |
| Maximum username length [^1] | 63 characters (bytes) | 63 characters (bytes) |
| Maximum database name length [^1] | 63 characters (bytes) | 63 characters (bytes) |

[^1]: This is a limit enforced by PostgreSQL. Some database providers may enforce smaller limits.
Expand All @@ -26,10 +26,10 @@ These limits apply when creating or updating Hyperdrive configurations.

These limits apply to connections between Hyperdrive and your origin database.

| Limit | Free | Paid |
| ---------------------------------- | ------------------------ | ------------------------- |
| Initial connection timeout | 15 seconds | 15 seconds |
| Idle connection timeout | 10 minutes | 10 minutes |
| Limit | Free | Paid |
| ------------------------------------------------------------ | --------------- | ---------------- |
| Initial connection timeout | 15 seconds | 15 seconds |
| Idle connection timeout | 10 minutes | 10 minutes |
| Maximum origin database connections (per configuration) [^2] | ~20 connections | ~100 connections |

Hyperdrive does not limit the number of concurrent client connections from your Workers. However, Hyperdrive limits connections to your origin database because most hosted databases have connection limits.
Expand All @@ -40,9 +40,9 @@ Hyperdrive does not limit the number of concurrent client connections from your

When Hyperdrive cannot acquire a connection to your origin database, you may see one of the following errors:

| Error message | Cause |
| ------------- | ----- |
| `Failed to acquire a connection from the pool.` | The connection pool is exhausted because connections are held open too long. Long-running queries or transactions are a common cause. |
| Error message | Cause |
| ------------------------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `Failed to acquire a connection from the pool.` | The connection pool is exhausted because connections are held open too long. Long-running queries or transactions are a common cause. |
| `Server connection attempt failed: connection_refused` | Your origin database is rejecting connections. This can occur when a firewall blocks Hyperdrive, or when your database provider's connection limit is exceeded. |

For a complete list of error codes, refer to [Troubleshoot and debug](/hyperdrive/observability/troubleshooting/).
Expand All @@ -51,12 +51,11 @@ For a complete list of error codes, refer to [Troubleshoot and debug](/hyperdriv

These limits apply to queries sent through Hyperdrive.

| Limit | Free | Paid |
| ---------------------------------- | --------- | --------- |
| Maximum query (statement) duration | 60 seconds | 60 seconds |
| Maximum cached query response size | 50 MB | 50 MB |
| Limit | Free | Paid |
| ---------------------------------- | ----- | ----- |
| Maximum cached query response size | 50 MB | 50 MB |

Queries exceeding the maximum duration are terminated. Query responses larger than 50 MB are not cached but are still returned to your Worker.
Query responses larger than 50 MB are not cached but are still returned to your Worker.

## Request a limit increase

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