[GitHub] [accumulo] dlmarion commented on pull request #2900: Add a new "dumeta" command to compute table disk usage

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dlmarion commented on PR #2900:
URL: https://github.com/apache/accumulo/pull/2900#issuecomment-1232000399

   I think that both the old approach and the new approach of getting disk usage are *both* estimations. Unless you have ceased all write activity on the cluster, there is a good chance on a busy cluster that something will be written between the time you started the command and the time it returns the result to you. Given that, I would suggest that we could replace the existing Accumulo command to scan the metadata table and state in the documentation that it's an estimation. If the user wants really accurate disk usage information, they can quiesce the cluster and run the `hadoop fs du -s <dir>` command.


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