Add support for a lazy refresh #2183
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priority: p0
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type: feature request
‘Nice-to-have’ improvement, new feature or different behavior or design.
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enocom
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Apr 15, 2024
When clients run the Proxy in environments where the CPU may be throttled, the background connection info refresh operation can fail to complete, causing connection errors. This commit introduces an option for a lazy refresh. Connection info is retrieved on an as needed-basis and cached based on the associated certificate's expiration. No background goroutine runs, unlike the default refresh ahead cache. Enable it like so: ./cloud-sql-proxy <INSTANCE_CONNECTION_NAME> --lazy-refresh A lazy refresh may result in increased latency (more requests will be subject to waiting for the refresh to complete), but gains in reliability. Fixes #2183
enocom
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Apr 15, 2024
When clients run the Proxy in environments where the CPU may be throttled, the background connection info refresh operation can fail to complete, causing connection errors. This commit introduces an option for a lazy refresh. Connection info is retrieved on an as needed-basis and cached based on the associated certificate's expiration. No background goroutine runs, unlike the default refresh ahead cache. Enable it like so: ./cloud-sql-proxy <INSTANCE_CONNECTION_NAME> --lazy-refresh A lazy refresh may result in increased latency (more requests will be subject to waiting for the refresh to complete), but gains in reliability. Fixes #2183
enocom
added a commit
that referenced
this issue
Apr 16, 2024
When clients run the Proxy in environments where the CPU may be throttled, the background connection info refresh operation can fail to complete, causing connection errors. This commit introduces an option for a lazy refresh. Connection info is retrieved on an as needed-basis and cached based on the associated certificate's expiration. No background goroutine runs, unlike the default refresh ahead cache. Enable it like so: ./cloud-sql-proxy <INSTANCE_CONNECTION_NAME> --lazy-refresh A lazy refresh may result in increased latency (more requests will be subject to waiting for the refresh to complete), but gains in reliability. Fixes #2183
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This is for exposing GoogleCloudPlatform/cloud-sql-go-connector#772 as a CLI flag.
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