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Posted to issues@beam.apache.org by "Beam JIRA Bot (Jira)" <ji...@apache.org> on 2020/08/18 17:07:34 UTC
[jira] [Updated] (BEAM-671) Update Read PTransform to implicitly
use maxNumRecords and maxReadTime
[ https://issues.apache.org/jira/browse/BEAM-671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Beam JIRA Bot updated BEAM-671:
-------------------------------
Labels: stale-P2 (was: )
> Update Read PTransform to implicitly use maxNumRecords and maxReadTime
> ----------------------------------------------------------------------
>
> Key: BEAM-671
> URL: https://issues.apache.org/jira/browse/BEAM-671
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Jean-Baptiste Onofré
> Priority: P2
> Labels: stale-P2
>
> Today, almost all IOs {{Read}} {{PTransform}}, when using an {{UnboundedSource}}, do the following in the {{apply()}}:
> {code:java}
> org.apache.beam.sdk.io.Read.Unbounded<byte[]> unbounded =
> org.apache.beam.sdk.io.Read.from(getSource());
> PTransform<PBegin, PCollection<byte[]>> transform = unbounded;
> if (maxNumRecords() < Long.MAX_VALUE || maxReadTime() != null) {
> transform = unbounded.withMaxReadTime(maxReadTime()).withMaxNumRecords(maxNumRecords());
> }
> return input.getPipeline().apply(transform);
> {code}
> To avoid to duplicate this code bunch of time, it would make sense to do it by default in {{org.apache.beam.sdk.io.Read}}.
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