darenwkt commented on code in PR #195:
URL:
https://github.com/apache/flink-connector-aws/pull/195#discussion_r2035325733
##########
flink-connector-aws/flink-connector-aws-kinesis-streams/src/main/java/org/apache/flink/connector/kinesis/source/reader/polling/PollingKinesisShardSplitReader.java:
##########
@@ -48,21 +64,65 @@ public PollingKinesisShardSplitReader(
this.kinesis = kinesisProxy;
this.configuration = configuration;
this.maxRecordsToGet =
configuration.get(KinesisSourceConfigOptions.SHARD_GET_RECORDS_MAX);
+ this.getRecordsIntervalMillis =
configuration.get(SHARD_GET_RECORDS_INTERVAL).toMillis();
+ this.idleSourceGetRecordsIntervalMillis =
+
configuration.get(SHARD_GET_RECORDS_IDLE_SOURCE_INTERVAL).toMillis();
}
@Override
- protected RecordBatch fetchRecords(KinesisShardSplitState splitState) {
+ protected RecordBatch fetchRecords(KinesisShardSplitState splitState)
throws IOException {
+ if (skipUntilScheduledGetRecordTime(splitState)) {
+ return null;
+ }
+
GetRecordsResponse getRecordsResponse =
kinesis.getRecords(
splitState.getStreamArn(),
splitState.getShardId(),
splitState.getNextStartingPosition(),
this.maxRecordsToGet);
+
+ scheduleNextGetRecord(splitState, getRecordsResponse);
+
boolean isCompleted = getRecordsResponse.nextShardIterator() == null;
return new RecordBatch(
getRecordsResponse.records(),
getRecordsResponse.millisBehindLatest(), isCompleted);
}
+ private boolean skipUntilScheduledGetRecordTime(KinesisShardSplitState
splitState)
+ throws IOException {
+ if (scheduledGetRecordTimes.containsKey(splitState)
+ && scheduledGetRecordTimes.get(splitState) >
System.currentTimeMillis()) {
+ try {
+ Thread.sleep(1);
Review Comment:
Got it, thank you for the context
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