Mohammad created BEAM-11815:
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Summary: fail to read more than 1M of items
Key: BEAM-11815
URL: https://issues.apache.org/jira/browse/BEAM-11815
Project: Beam
Issue Type: Bug
Components: io-java-aws
Reporter: Mohammad
In processElement:
{code:java}
private static class ReadFn<T> extends DoFn<Read<T>, T> {
@ProcessElement
public void processElement(@Element Read<T> spec, OutputReceiver<T> out) {
AmazonDynamoDB client = spec.getAwsClientsProvider().createDynamoDB();
ScanRequest scanRequest = spec.getScanRequestFn().apply(null);
scanRequest.setSegment(spec.getSegmentId());
ScanResult scanResult = client.scan(scanRequest);
out.output(spec.getScanResultMapperFn().apply(scanResult));
}
}{code}
if total requested items > 1M dynamodb will only send upto 1M of data and
expects client to read remaining items through LastEvaluatedKey (see
[this|https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/dynamodbv2/model/ScanRequest.html#setLimit-java.lang.Integer-])
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