Skip to content

Allow specifying starting offsets via the Kafka source options. #719

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
yruslan merged 1 commit into from
Mar 12, 2026
+10 −2
Merged

Allow specifying starting offsets via the Kafka source options. #719

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 10 additions & 2 deletions pramen/extras/src/main/scala/za/co/absa/pramen/extras/source/KafkaAvroSource.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,14 @@ class KafkaAvroSource(sourceConfig: Config,

val q = "\""

val proposedStartingOffset = kafkaAvroConfig.extraOptions
.get("kafka.startingOffsets")
.map(v => s"{$q$topic$q: $v}")

val proposedEndingOffset = kafkaAvroConfig.extraOptions
.get("kafka.endingOffsets")
.map(v => s"{$q$topic$q: $v}")

val startingOffsets = offsetFromOpt match {
case Some(offset) =>
// The starting offset is inclusive in Spark.
Expand All @@ -169,7 +177,7 @@ class KafkaAvroSource(sourceConfig: Config,

Map("startingOffsets" -> s"{$q$topic$q: ${offsetFrom.valueString}}")
case None =>
Map("startingOffsets" -> "earliest")
Map("startingOffsets" -> proposedStartingOffset.getOrElse("earliest"))
}

val endingOffsets = offsetToOpt match {
Expand All @@ -180,7 +188,7 @@ class KafkaAvroSource(sourceConfig: Config,
val offsetTo = offset.asInstanceOf[KafkaValue].increment
Map("endingOffsets" -> s"{$q$topic$q: ${offsetTo.valueString}}")
case None =>
Map("endingOffsets" -> "latest")
Map("endingOffsets" -> proposedEndingOffset.getOrElse("latest"))
}

val kafkaOptions = kafkaAvroConfig.extraOptions ++ startingOffsets ++ endingOffsets +
Expand Down
Loading