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# Increased resource tier limits

We updated the following HTTP sub-request [limits](doc:resource-tier-limitations) in the Dynamic compute resource tier.

- Maximum wall time allowed per HTTP sub-request increased from 1.5 seconds to 4 seconds for all event handlers including `responseProvider`.
- Maximum number of HTTP sub-requests allowed from a parent request during the `onClientRequest`, `onOriginRequest`, `onOriginResponse`, and `onClientResponse` event handlers increased from 1 to 2.
- Maximum number of HTTP sub-requests allowed in parallel per request during the `onClientRequest`, `onOriginRequest`,`onOriginResponse`, and `onClientResponse` event handlers increased from 1 to 2.