Comments (3)
A topic is marked red if it is marked for deletion in Zookeeper. I have seen cases where if you create a topic and then delete it and attempt to create a topic with the same name, it fails to create properly and just gets marked as deleted by Kafka controller in 0.8.2.1. I will try to validate this tomorrow in my dev environment.
from cmak.
That actually is what happened. I deleted the topic 'ndstreamer' and stopped everything from pushing to that topic for a day so it would have time to purge out.
I then made a new topic with the same name and started pushing to it again. Everything seemed fine for a day until it abruptly showed up red after the weekend.
Is there a way to 'unmark' a topic for deletion
from cmak.
Figured it out by looking at the source. When kafka marks a topic for deletion, it calls the ZkUtils.scala class and adds to zookeeper the following entry: /admin/delete_topics
I assume that if a topic appears in both kafka/admin/delete_topics
and kafka/config/toipcs
then it is marked for deletion
. If the topic is in only one or the other then the topic is valid or deleted.
I worked around the issue by removing the topic from the delete_topics
directory in zookeeper
from cmak.
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