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just in case we delete the wrong topic as

 /usr/hdp/current/kafka-broker/bin/kafka-topics.sh --zookeeper hdpmaster01:2181 --delete --topic gtom.poli.pri.proc

Topic gtom.poli.pri.procis already marked for deletion and now we want to revert it

what are the steps to revert topic deletion?

 all folders topics as the following are still exists under /var/kafka/kafka-logs

 gtom.poli.pri.procis-23

 gtom.poli.pri.procis-45

 gtom.poli.pri.procis-34
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1 Answers1

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We did something similar 3-4 years ago. Binary files in those directories are easily readable, so we copied those directories to another location, written some simple code that reads data and delimiters off binaries, recreated a topic and fed it with output from that simple code ( even bash, strings will do the job ). In our situation disk corruption was the problem, so not all the data has been recovered, most of it.

user197322
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