Closed alice-was-here closed 1 year ago
Hello @alice-was-here,
Thank you for your report. Are your logs decorated with timestamps, I am curious the frequency these are logged. The first one should not be for a second, and then they have a jitter and backoff algorithm until 30 seconds, but it does never stop retrying. The initialization is async and the retry itself is timer based so it shouldn't delaying a caller. But there could be some condition possibly causing it to be quicker.
Are you initializing the SDK within each operation done on the lambda? Or creating a single client and then using it for all requests for the duration of the lambda? (The recommended practice is to use a single client, because initialization is a heavy weight operation.)
After initializing are you using the promise method provided, waitForInitialization
? This isn't mandatory, but I am curious if it is causing your timeout behavior (because if it cannot initialize, then it will never become initialized). If you are, then I would recommend using a promise.race in combination with a timer promise as a general safety mechanism.
Filed internally as 190309
Thanks, Ryan
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Describe the bug
On long running lambda instances, the Launch Darkly client appears to get stuck in a loop while trying to establish a connection. This loop continues until the lambda function times out, or runs out of memory.
To reproduce
This error only occurs intermittently, but is most common in the following circumstances:
ERROR warn: [LaunchDarkly] Received I/O error (getaddrinfo EMFILE stream.launchdarkly.com) for streaming request - will retry
Expected behavior
Ideally:
However, an acceptable fall-back would be:
Logs
The following log is repeated in the output until the Lambda function times out.
ERROR warn: [LaunchDarkly] Received I/O error (getaddrinfo EMFILE stream.launchdarkly.com) for streaming request - will retry
SDK version launchdarkly-node-server-sdk v7.0.0
Language version, developer tools
AWS Lambda running
nodejs:18.v4
OS/platform
AWS Lambda running
nodejs:18.v4