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https://issues.apache.org/jira/browse/CASSANDRA-19335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17817357#comment-17817357
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Brandon Williams edited comment on CASSANDRA-19335 at 2/14/24 12:09 PM:
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The dtests are broken as a consequence of CCM being broken. I thought we were
on the same page there earlier when you indicated your preference is to use the
JSON output in CCM, but in any case CCM's
[data_size|https://github.com/riptano/ccm/blob/master/ccmlib/node.py#L1536]
function being broken is the crux of the problems here, which trickles down
into the dtests.
was (Author: brandon.williams):
The dtests are broken as a consequence of CCM being broken. I thought we were
on the same page there earlier when you indicated your preference is to use the
JSON output in CCM, but in any case CCM's data_size function being broken is
the crux of the problems here, which trickles down into the dtests.
> Default nodetool tablestats to Human-Readable Output
> ----------------------------------------------------
>
> Key: CASSANDRA-19335
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19335
> Project: Cassandra
> Issue Type: Improvement
> Components: Tool/nodetool
> Reporter: Leo Toff
> Assignee: Leo Toff
> Priority: Low
> Fix For: 5.x
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> *Current Behavior*
> The current implementation of nodetool tablestats in Apache Cassandra outputs
> statistics in a format that is not immediately human-readable. This output
> primarily includes raw byte counts, which require additional calculation or
> conversion to be easily understood by users. This can be inefficient and
> time-consuming, especially for users who frequently monitor these statistics
> for performance tuning or maintenance purposes.
> *Proposed Change*
> We propose that nodetool tablestats should, by default, provide its output in
> a human-readable format. This change would involve converting byte counts
> into more understandable units (KiB, MiB, GiB). The tool could still retain
> the option to display raw data for those who need it, perhaps through a flag
> such as --no-human-readable or --raw.
> *Considerations*
> The change should maintain backward compatibility, ensuring that scripts or
> tools relying on the current output format can continue to function correctly.
> We should provide adequate documentation and examples of both the new default
> output and how to access the raw data format, if needed.
> *Alignment*
> Discussion in the dev mailing list:
> [https://lists.apache.org/thread/mlp715kxho5b6f1ql9omlzmmnh4qfby9]
> *Related work*
> Previous work in the series:
> # https://issues.apache.org/jira/browse/CASSANDRA-19015
> # https://issues.apache.org/jira/browse/CASSANDRA-19104
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