tzulitai commented on a change in pull request #6482: [FLINK-10020] [kinesis]
Support recoverable exceptions in listShards.
URL: https://github.com/apache/flink/pull/6482#discussion_r207447268
##########
File path:
flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/proxy/KinesisProxy.java
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@@ -433,6 +440,16 @@ private ListShardsResult listShards(String streamName,
@Nullable String startSha
} catch (ExpiredNextTokenException expiredToken) {
LOG.warn("List Shards has an expired token.
Reusing the previous state.");
break;
+ } catch (SdkClientException ex) {
+ if (isRecoverableSdkClientException(ex)) {
+ long backoffMillis = fullJitterBackoff(
+ listShardsBaseBackoffMillis,
listShardsMaxBackoffMillis, listShardsExpConstant, attemptCount++);
+ LOG.warn("Got SdkClientException when
listing shards from stream {}. Backing off for {} millis.",
+ streamName, backoffMillis);
+ Thread.sleep(backoffMillis);
Review comment:
I'm wondering what kind of `SdkClientException`s there are. Do we really
need to have a backoff here before retrying?
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