cdkrot commented on code in PR #42399:
URL: https://github.com/apache/spark/pull/42399#discussion_r1296816012
##########
python/pyspark/sql/connect/client/core.py:
##########
@@ -1630,35 +1643,25 @@ def __iter__(self) -> Generator[AttemptManager, None,
None]:
A generator that yields the current attempt.
"""
retry_state = RetryState()
- while True:
- # Check if the operation was completed successfully.
- if retry_state.done():
- break
-
- # If the number of retries have exceeded the maximum allowed
retries.
- if retry_state.count() > self._max_retries:
- e = retry_state.exception()
- if e is not None:
- raise e
- else:
- raise PySparkRuntimeError(
- error_class="EXCEED_RETRY",
- message_parameters={},
- )
+ next_backoff: float = self._initial_backoff
+
+ if self._max_retries < 0:
+ raise ValueError("Can't have negative number of retries")
+ while not retry_state.done() and retry_state.count() <=
self._max_retries:
# Do backoff
if retry_state.count() > 0:
- backoff = random.randrange(
- 0,
- int(
- min(
- self._initial_backoff * self._backoff_multiplier
** retry_state.count(),
- self._max_backoff,
- )
- ),
- )
- logger.debug(f"Retrying call after {backoff} ms sleep")
- # Pythons sleep takes seconds as arguments.
- time.sleep(backoff / 1000.0)
+ # Randomize backoff for this iteration
+ backoff = next_backoff
+ next_backoff = min(self._max_backoff, next_backoff *
self._backoff_multiplier)
+
+ if backoff >= self._min_jitter_threshold:
+ backoff += random.uniform(0, self._jitter)
+ logger.debug(f"Retrying call after {backoff} ms sleep")
+ self._sleep(backoff / 1000.0)
yield AttemptManager(self._can_retry, retry_state)
+
+ if not retry_state.done():
+ # Exceeded number of retries, throw last exception we had
+ raise retry_state.exception()
Review Comment:
You are discussing exception for impossible situation, can we please wrap
this up?
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