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BUGFIX: Adjust DoctrineEventStorage commit retry attempts #289

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BUGFIX: Adjust DoctrineEventStorage commit retry attempts #289

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8a0d93e
BUGFIX: Adjust DoctrineEventStorage commit retry attempts
paxuclus Mar 17, 2021
5542a71
Merge branch 'master' into task/adjust-retry-backoff
kdambekalns Mar 22, 2022
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8 changes: 4 additions & 4 deletions Classes/EventStore/Storage/Doctrine/DoctrineEventStorage.php
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Original file line number Diff line number Diff line change
Expand Up @@ -119,10 +119,10 @@ public function commit(StreamName $streamName, WritableEvents $events, int $expe
throw new \InvalidArgumentException(sprintf('Can\'t commit to virtual stream "%s"', $streamName), 1540632984);
}

# Exponential backoff: initial interval = 5ms and 8 retry attempts = max 1275ms (= 1,275 seconds)
# @see http://backoffcalculator.com/?attempts=8&rate=2&interval=5
# Exponential backoff: initial interval = 5ms and 25 retry attempts = max 2360ms (= 2,36 seconds)
# @see http://backoffcalculator.com/?attempts=25&interval=0.005&rate=1.2
$retryWaitInterval = 0.005;
$maxRetryAttempts = 8;
$maxRetryAttempts = 25;
$retryAttempt = 0;
while (true) {
$this->reconnectDatabaseConnection();
Expand All @@ -144,7 +144,7 @@ public function commit(StreamName $streamName, WritableEvents $events, int $expe
}
usleep((int)($retryWaitInterval * 1E6));
$retryAttempt++;
$retryWaitInterval *= 2;
$retryWaitInterval *= 1.2;
$this->connection->rollBack();
continue;
} catch (DBALException | ConcurrencyException $exception) {
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