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Posted to jira@kafka.apache.org by "Ismael Juma (JIRA)" <ji...@apache.org> on 2018/02/08 21:12:00 UTC
[jira] [Commented] (KAFKA-6545) AdminUtils.fetchTopicMetadataFromZk
is not available in 1.0.0
[ https://issues.apache.org/jira/browse/KAFKA-6545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16357577#comment-16357577 ]
Ismael Juma commented on KAFKA-6545:
------------------------------------
The commit description states why they were removed (they were internal APIs with no tests). The alternative is to use AdminClient (a public and supported API): https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/clients/admin/AdminClient.java
> AdminUtils.fetchTopicMetadataFromZk is not available in 1.0.0
> -------------------------------------------------------------
>
> Key: KAFKA-6545
> URL: https://issues.apache.org/jira/browse/KAFKA-6545
> Project: Kafka
> Issue Type: Bug
> Components: admin
> Affects Versions: 1.0.0
> Reporter: Chong Wang
> Priority: Major
>
> Not sure why this function is deleted ([https://github.com/apache/kafka/commit/1d24e10aeab616eede416201336e928b9a8efa98#diff-5d4a4a97554d3ac24efe68d98eb27b64)]
> Our code was relying on it.
> {quote}final MetadataResponse.TopicMetadata topicMetadata = AdminUtils.fetchTopicMetadataFromZk(topicName, zkUtils);
> final Topic topic = new Topic();
> topic.setPartitions(topicMetadata.partitionMetadata().size());
> final int replicas = topicMetadata.partitionMetadata().stream().mapToInt(e -> e.replicas().size()).sum();
> topic.setReplications(replicas);
> {quote}
> Is there any alternatives?
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