Adding Retry policy to provide optional capabilities #36
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Adding retry policy and exponential retry policy. When errors occur do to WriteThrottle, ReadThrottle, or System error, Keyspaces returns Cassandra timeout value. This retry policy helps customers retry these errors which are transient.
ch-yogya
reviewed
Jun 17, 2025
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| ``` | ||
| advanced.retry-policy { | ||
| class = com.aws.ssa.keyspaces.retry.AmazonKeyspacesRetryPolicy |
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Out of curiosity, How is this class path arrived at? I see this is different from the path used within the classes defined in this PR.
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These classes are being carried over from https://github.com/aws-samples/amazon-keyspaces-java-driver-helpers/blob/main/src/main/java/com/aws/ssa/keyspaces/retry/AmazonKeyspacesRetryPolicy.java to this package and thus the class path will need to be updated now?
ch-yogya
reviewed
Jun 17, 2025
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| long timeToWaitCalculation = Math.max(minWaitTime, exponentialWaitWithJitter); | ||
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| long timeToWaitFinal = Math.min(maxWaitTime, timeToWaitCalculation); |
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Can we rename the variable - totalTimeToWait
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| stopwatch.stop(); | ||
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| long millsObserved = stopwatch.elapsed().toMillis(); |
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| stopwatch.stop(); | ||
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| long millsObserved = stopwatch.elapsed().toMillis(); |
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| stopwatch.stop(); | ||
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| long millsObserved = stopwatch.elapsed().toMillis(); |
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Adding retry policy and exponential retry policy. When errors occur do to WriteThrottle, ReadThrottle, or System error, Keyspaces returns Cassandra timeout value. This retry policy helps customers retry these errors which are mainly transient in Amazon Keyspaces.
Issue #, if available:
Description of changes:
Including two retry polices. AmazonKeyspacesRetryPolicy and AmazonKeyspacesExponentialRetryPolicy. Both policies have configurable number of retries, but the expoential policy adds an exponential increasing delay between retry attempts. The developer has the ability to customize min wait and max wait to bound execution time.
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