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From "Carl McGraw (JIRA)" <>
Subject [jira] [Created] (BEAM-2660) Set PubsubIO batch size using builder
Date Sat, 22 Jul 2017 23:23:00 GMT
Carl McGraw created BEAM-2660:

             Summary: Set PubsubIO batch size using builder
                 Key: BEAM-2660
             Project: Beam
          Issue Type: Improvement
          Components: sdk-java-gcp
            Reporter: Carl McGraw
            Assignee: Stephen Sisk

PubsubIO doesn't allow users to set the publish batch size. Instead the value is hard coded
in both the BoundedPubsubWriter and the UnboundedPubsubSink. 

google's pub/sub is bound to a maximum of 10mb per request size. My company has run into problems
with events that are individually smaller than 1mb, but when batched in the 100 or 2000 default
batch sizes causes pubsub to fail to send the event.

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