jihoonson commented on a change in pull request #5492: Native parallel batch
indexing without shuffle
URL: https://github.com/apache/incubator-druid/pull/5492#discussion_r201891599
##########
File path:
extensions-core/kafka-indexing-service/src/main/java/io/druid/indexing/kafka/KafkaIndexTaskClient.java
##########
@@ -312,10 +237,13 @@ public DateTime getStartTime(final String id)
{
log.debug("GetCheckpoints task[%s] retry[%s]", id, retry);
try {
- final FullResponseHolder response = submitRequest(id, HttpMethod.GET,
"checkpoints", null, retry);
- return jsonMapper.readValue(response.getContent(), new
TypeReference<TreeMap<Integer, TreeMap<Integer, Long>>>()
- {
- });
+ final FullResponseHolder response = submitRequestWithEmptyContent(id,
HttpMethod.GET, "checkpoints", null, retry);
+ return deserialize(
+ response.getContent(),
+ new TypeReference<TreeMap<Integer, Map<Integer, Long>>>()
Review comment:
`new TypeReference<TreeMap<Integer, Map<Integer, Long>>>()` is used only in
three places: KafkaIndexTaskClient.getCheckpoints(),
KafkaSupervisor.createKafkaTasksForGroup(), and
IncrementalPublishingKafkaIndexTaskRunner.getCheckPointsFromContext(). Maybe
it's worth to make a class or something like a static variable, but this is
related to Kafka indexing service anyway.
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