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04-20-2020
141
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4
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3
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Title | Views | Posted |
---|---|---|
804 | 05-17-2022 02:39 PM | |
2450 | 03-30-2022 12:27 PM | |
1897 | 03-28-2022 11:48 AM |
11-30-2023
09:25 AM
Hello Olivier, The error you got "org.apache.kudu.client.NonRecoverableException: Unauthorized action" happens when the account you use to take the backup don't have the proper permissions to access the kudu tables. Do you happen to use ranger to authorize access on kudu? If so, then maybe the account you are using is not authorized on ranger. It could be as well that you are running it with the wrong kerberos principal? Regards, Jason R
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05-17-2022
02:39 PM
1 Kudo
Hello yagoaparecidoti When you start the tablet servers, kudu needs to read all of the block containers located in that tablet server. Depending on how much data is stored there, is the amount of time it can take to open all the containers. Several variables are also involved such as disk performance, how busy is the host doing other things, if the disks are shared, etc... If it happens to only one host, chances are this host is either facing some hardware issues or have a lot of data to process, otherwise you only have a lot of block containers to work with. Please let us know if there are further questions we can clarify for you. Jason
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03-30-2022
12:27 PM
1 Kudo
Hi @yagoaparecidoti Thanks, in that case further investigation will be needed, we would need to check what is happening in those 2 tablet servers. If you are able to share the logs from those TS that would be great, if not it will be quite hard to tell and your best bet would be to open a support case to have it checked. > Are you able to check the charts on cloudera manager > Kudu > instances > tablet server > Chart library > Replicas? Can you compare those with a non affected TS?
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03-29-2022
02:28 PM
Inbound/Outbound connections on the rpc page. rpc_* metrics on the metrics page. Sorry I don't recall the exact metric names.
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03-29-2022
01:53 PM
Hellio @yagoaparecidoti Being balanced is a good thing. How about hotspotting? Can you check in the kudu web page > Tablet servers > Click on those affected > check the metrics and the RPC pages on those two. > How does it look? > How many RPC calls compared to a healthy tablet server?
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03-28-2022
02:01 PM
With regards to your questions: 1. To further understand this behavior, it would be needed to check the tablet server logs during startup. Likely the block processing time is taking a good part of those 10 mins. 2. It could be possible that those 2 servers are overloaded, that can happen if the kudu cluster is not balanced. To further understand, the output of the ksck and: kudu table list ${MASTER_ADDRS} -list_tablets | grep "^ " | cut -d' ' -f6,7 | sort Would throw a good output to gain a better understanding of your cluster situation. If you can attach those here, would be great for further analysis.
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03-28-2022
11:48 AM
2 Kudos
Hello Roshan, com.striim.proc.exception.KuduWriterException: End of file: unable to send message: Other end of pipe was closed (error 0) Looks to me like a known bug discovered recently for which there is already a patch. Seems to be related to Cloudera OPSAPS-61660. Best bet for you would be to open a ticket with support to have it confirmed. Regards, Jason R.
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