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Kurt Kotzur 2018-03-19 12:29:49 -07:00
parent 117b197b2a
commit 15e7417fc5
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1 changed files with 5 additions and 4 deletions
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9
go/logic/migrator.go
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@ -149,10 +149,11 @@ func (this *Migrator) retryOperation(operation func() error, notFatalHint ...boo
return err return err
} }
// retryOperation attempts running given function, waiting 2^(n-1) seconds // `retryOperationWithExponentialBackoff` attempts running given function, waiting 2^(n-1)
// between each attempt, where n is the running number of attempts. exits // seconds between each attempt, where `n` is the running number of attempts. Exits
// as soon as the function returns with non-error, or as soon as the next // as soon as the function returns with non-error, or as soon as `MaxRetries`
// wait interval exceeds `CutOverExponentialBackoffMaxInterval`. // attempts are reached. Wait intervals between attempts obey a maximum of
// `ExponentialBackoffMaxInterval`.
func (this *Migrator) retryOperationWithExponentialBackoff(operation func() error, notFatalHint ...bool) (err error) { func (this *Migrator) retryOperationWithExponentialBackoff(operation func() error, notFatalHint ...bool) (err error) {
var interval int64 var interval int64
maxRetries := int(this.migrationContext.MaxRetries()) maxRetries := int(this.migrationContext.MaxRetries())