sjvanrossum commented on code in PR #33073:
URL: https://github.com/apache/beam/pull/33073#discussion_r1837108783
##########
sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/ReadFromKafkaDoFn.java:
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@@ -665,6 +665,9 @@ private Map<String, Object> overrideBootstrapServersConfig(
return config;
}
+ // TODO: Collapse the two moving average trackers into a single accumulator
using a single Guava
+ // AtomicDouble. Note that this requires that a single thread will call
update and that while get
+ // may be called by multiple threads the method must only load the
accumulator itself.
Review Comment:
Renamed `numRecords` to `estimatedNumRecords` at the call-site and removed
`AverageRecordSize.getTotalSize`'s parameter after trying to keep it as either
`maxNumRecords` or `estimatedNumRecords`. Instead, the method is renamed to
`AverageRecordSize.getGapsFilledWithZeros` and omits scaling by a parameter,
leaving that up to the caller. This allows the caller to provide an appropriate
name for a potential scaling factor at the call-site (`currentNumRecords`,
`minNumRecords`, `maxNumRecords`, `estimatedNumRecords`, `expectedNumRecords`,
etc.).
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