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Increasing retries in AWS Lambda
The Next CEO of Stack OverflowSqlBulkCopy with retry logicIncrease number of shards in DynamoDB to spin up more lambdas in parallelAWS Lambda with Node.JS in productionWhat is the maximum number of event source mappings per AWS Lambda?How much AWS Lambda Function consume computation resources for executing jobs ?Quarz retry / misfireDownload files using AWS LambdaHow to handle aws Lambda retry in pythonCan an AWS lambda be set up to retry if it fails?Scala - Retry HTTP request with timeout
I had a few questions about AWS lambdas and I couldn't find much details in the documentation
How can I increase the number of retries in AWS Lambda?
In case the maximum number of retries have occurred and whole Lambda has failed how can I get some sort of a notification?
aws-lambda retry-logic
asked Mar 8 at 19:09
Venkat DabriVenkat Dabri
62
add a comment |
I had a few questions about AWS lambdas and I couldn't find much details in the documentation
How can I increase the number of retries in AWS Lambda?
In case the maximum number of retries have occurred and whole Lambda has failed how can I get some sort of a notification?
aws-lambda retry-logic
asked Mar 8 at 19:09
Venkat DabriVenkat Dabri
62
did you get a chance to look into my answer?
– Thales Minussi
Mar 26 at 12:15
add a comment |
I had a few questions about AWS lambdas and I couldn't find much details in the documentation
How can I increase the number of retries in AWS Lambda?
In case the maximum number of retries have occurred and whole Lambda has failed how can I get some sort of a notification?
aws-lambda retry-logic
asked Mar 8 at 19:09
Venkat DabriVenkat Dabri
62
I had a few questions about AWS lambdas and I couldn't find much details in the documentation
How can I increase the number of retries in AWS Lambda?
In case the maximum number of retries have occurred and whole Lambda has failed how can I get some sort of a notification?
aws-lambda retry-logic
aws-lambda retry-logic
asked Mar 8 at 19:09
Venkat DabriVenkat Dabri
62
asked Mar 8 at 19:09
Venkat DabriVenkat Dabri
62
asked Mar 8 at 19:09
Venkat DabriVenkat Dabri
62
asked Mar 8 at 19:09
Venkat DabriVenkat Dabri
62
asked Mar 8 at 19:09
Venkat DabriVenkat Dabri
62
62
did you get a chance to look into my answer?
– Thales Minussi
Mar 26 at 12:15
add a comment |
did you get a chance to look into my answer?
– Thales Minussi
Mar 26 at 12:15
did you get a chance to look into my answer?
– Thales Minussi
Mar 26 at 12:15
did you get a chance to look into my answer?
– Thales Minussi
Mar 26 at 12:15
add a comment |
1 Answer
1
active
oldest
votes
Lambda retries are based upon many factors. I suggest you take a look into the official docs to understand every single type of retry, but long story short:
- Stream-Based Synchronous Event sources can either retry or not. It depends on the Service.
- Asynchronous Event sources will retry up to three times. If all messages fail, you can then configure a DLQ to receive the failed messages
- (Stream-Based && Poll-Based Event Sources) (like Kinesis or Dynamo) will retry until the configured data retention. Be careful because if one message fails and the message itself is poisonous, it will keep retrying until it expires and no new messages will be processed
- (Non-Stream-Based && Poll-Based Event Sources) (SQS) will discard messages in case of failure (unless it was an invocation failure or a timeout). If discarded, they will be sent to a DLQ if you previously configured one.
So, based on the information above, we can then tackle your question around notifications: you can have another Lambda subscribed to your DLQ to receive the message and notify the way you want. Either by sending an e-mail from the function itself or sending it to SNS (to possibly send an e-mail directly or do whatever you want with it).
For the retry amount, that's not configurable for the already built-in values. The furthest you can go is to invoke a Lambda function synchronously from your code and, in case of exception, retry it as you wish (the exponential backoff, if desired, would also need to be coded manually)
answered Mar 8 at 20:10
Thales MinussiThales Minussi
1,585419
add a comment |
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1 Answer
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1 Answer
1
active
oldest
votes
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oldest
votes
active
oldest
votes
Lambda retries are based upon many factors. I suggest you take a look into the official docs to understand every single type of retry, but long story short:
- Stream-Based Synchronous Event sources can either retry or not. It depends on the Service.
- Asynchronous Event sources will retry up to three times. If all messages fail, you can then configure a DLQ to receive the failed messages
- (Stream-Based && Poll-Based Event Sources) (like Kinesis or Dynamo) will retry until the configured data retention. Be careful because if one message fails and the message itself is poisonous, it will keep retrying until it expires and no new messages will be processed
- (Non-Stream-Based && Poll-Based Event Sources) (SQS) will discard messages in case of failure (unless it was an invocation failure or a timeout). If discarded, they will be sent to a DLQ if you previously configured one.
So, based on the information above, we can then tackle your question around notifications: you can have another Lambda subscribed to your DLQ to receive the message and notify the way you want. Either by sending an e-mail from the function itself or sending it to SNS (to possibly send an e-mail directly or do whatever you want with it).
For the retry amount, that's not configurable for the already built-in values. The furthest you can go is to invoke a Lambda function synchronously from your code and, in case of exception, retry it as you wish (the exponential backoff, if desired, would also need to be coded manually)
answered Mar 8 at 20:10
Thales MinussiThales Minussi
1,585419
add a comment |
Lambda retries are based upon many factors. I suggest you take a look into the official docs to understand every single type of retry, but long story short:
- Stream-Based Synchronous Event sources can either retry or not. It depends on the Service.
- Asynchronous Event sources will retry up to three times. If all messages fail, you can then configure a DLQ to receive the failed messages
- (Stream-Based && Poll-Based Event Sources) (like Kinesis or Dynamo) will retry until the configured data retention. Be careful because if one message fails and the message itself is poisonous, it will keep retrying until it expires and no new messages will be processed
- (Non-Stream-Based && Poll-Based Event Sources) (SQS) will discard messages in case of failure (unless it was an invocation failure or a timeout). If discarded, they will be sent to a DLQ if you previously configured one.
So, based on the information above, we can then tackle your question around notifications: you can have another Lambda subscribed to your DLQ to receive the message and notify the way you want. Either by sending an e-mail from the function itself or sending it to SNS (to possibly send an e-mail directly or do whatever you want with it).
For the retry amount, that's not configurable for the already built-in values. The furthest you can go is to invoke a Lambda function synchronously from your code and, in case of exception, retry it as you wish (the exponential backoff, if desired, would also need to be coded manually)
answered Mar 8 at 20:10
Thales MinussiThales Minussi
1,585419
add a comment |
Lambda retries are based upon many factors. I suggest you take a look into the official docs to understand every single type of retry, but long story short:
- Stream-Based Synchronous Event sources can either retry or not. It depends on the Service.
- Asynchronous Event sources will retry up to three times. If all messages fail, you can then configure a DLQ to receive the failed messages
- (Stream-Based && Poll-Based Event Sources) (like Kinesis or Dynamo) will retry until the configured data retention. Be careful because if one message fails and the message itself is poisonous, it will keep retrying until it expires and no new messages will be processed
- (Non-Stream-Based && Poll-Based Event Sources) (SQS) will discard messages in case of failure (unless it was an invocation failure or a timeout). If discarded, they will be sent to a DLQ if you previously configured one.
So, based on the information above, we can then tackle your question around notifications: you can have another Lambda subscribed to your DLQ to receive the message and notify the way you want. Either by sending an e-mail from the function itself or sending it to SNS (to possibly send an e-mail directly or do whatever you want with it).
For the retry amount, that's not configurable for the already built-in values. The furthest you can go is to invoke a Lambda function synchronously from your code and, in case of exception, retry it as you wish (the exponential backoff, if desired, would also need to be coded manually)
answered Mar 8 at 20:10
Thales MinussiThales Minussi
1,585419
Lambda retries are based upon many factors. I suggest you take a look into the official docs to understand every single type of retry, but long story short:
- Stream-Based Synchronous Event sources can either retry or not. It depends on the Service.
- Asynchronous Event sources will retry up to three times. If all messages fail, you can then configure a DLQ to receive the failed messages
- (Stream-Based && Poll-Based Event Sources) (like Kinesis or Dynamo) will retry until the configured data retention. Be careful because if one message fails and the message itself is poisonous, it will keep retrying until it expires and no new messages will be processed
- (Non-Stream-Based && Poll-Based Event Sources) (SQS) will discard messages in case of failure (unless it was an invocation failure or a timeout). If discarded, they will be sent to a DLQ if you previously configured one.
So, based on the information above, we can then tackle your question around notifications: you can have another Lambda subscribed to your DLQ to receive the message and notify the way you want. Either by sending an e-mail from the function itself or sending it to SNS (to possibly send an e-mail directly or do whatever you want with it).
For the retry amount, that's not configurable for the already built-in values. The furthest you can go is to invoke a Lambda function synchronously from your code and, in case of exception, retry it as you wish (the exponential backoff, if desired, would also need to be coded manually)
answered Mar 8 at 20:10
Thales MinussiThales Minussi
1,585419
answered Mar 8 at 20:10
Thales MinussiThales Minussi
1,585419
answered Mar 8 at 20:10
Thales MinussiThales Minussi
1,585419
answered Mar 8 at 20:10
Thales MinussiThales Minussi
1,585419
1,585419
add a comment |
add a comment |
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did you get a chance to look into my answer?
– Thales Minussi
Mar 26 at 12:15