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Posted to issues@ozone.apache.org by "Ashish Kumar (Jira)" <ji...@apache.org> on 2025/05/28 06:00:00 UTC
[jira] [Assigned] (HDDS-13103) Correct transaction metrics in SCMBlockDeletingService
[ https://issues.apache.org/jira/browse/HDDS-13103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashish Kumar reassigned HDDS-13103:
-----------------------------------
Assignee: Aryan Gupta
> Correct transaction metrics in SCMBlockDeletingService
> ------------------------------------------------------
>
> Key: HDDS-13103
> URL: https://issues.apache.org/jira/browse/HDDS-13103
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Ashish Kumar
> Assignee: Aryan Gupta
> Priority: Major
>
> NumBlockDeletionTransactionCreated and NumBlockDeletionTransactionCompleted metrics are updated at each transaction level.
> Whereas NumBlockDeletionTransactionSent, NumBlockDeletionTransactionSuccess and NumBlockDeletionTransactionFailure are updated depending on the transactions sent to DN. If the same transaction is sent to 3 DN(as blocks will reside in 3 DNs for Ratis-3), these metrics are updated 3 times.
> By looking into below metrics it looks, 1731 transactions are sent and only 577 are completed. But actually 1731 = 577 * 3.
>
> {code:java}
> "name" : "Hadoop:service=StorageContainerManager,name=SCMBlockDeletingService",
> "modelerType" : "SCMBlockDeletingService",
> "tag.Hostname" : "ccycloud-3.obsdeletion-719.root.comops.site",
> "NumBlockDeletionCommandSent" : 3,
> "NumBlockDeletionCommandSuccess" : 3,
> "NumBlockDeletionCommandFailure" : 0,
> "NumBlockDeletionTransactionSent" : 1731,
> "NumBlockDeletionTransactionSuccess" : 1731,
> "NumBlockDeletionTransactionFailure" : 0,
> "NumBlockDeletionTransactionCompleted" : 577,
> "NumBlockDeletionTransactionCreated" : 5672,
> "NumSkippedTransactions" : 23909618,
> "NumProcessedTransactions" : 1731, {code}
> We should have proper naming or have consistent metrics for user to understand.
>
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