Jenny Liu created FINERACT-2965:
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Summary: Add optional jitter to the exponential backoff of command
retries
Key: FINERACT-2965
URL: https://issues.apache.org/jira/browse/FINERACT-2965
Project: Apache Fineract
Issue Type: Bug
Reporter: Jenny Liu
Retries of a command that failed on an optimistic lock or another concurrency
failure wait 1 s, then 2 s, with no randomization. Callers that failed together
therefore retry together and collide again. Add an optional randomization
factor fineract.retry.instances.executeCommand.exponential-backoff-jitter
(default 0, behavior unchanged). Measured on a running instance with 20
concurrent deposits to one savings account: without jitter the retries cluster
and 9 to 14 of 20 requests still fail with HTTP 409; with jitter 0.5 the waits
are spread and 20 of 20 succeed.
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