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https://issues.apache.org/jira/browse/CASSANDRA-15909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17149642#comment-17149642
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Stephen Mallette commented on CASSANDRA-15909:
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I suppose that means we deprecate the old names and simply add the consistent
names in their place. It seems that can be done without too much trouble - it's
just like adding an alias to an existing metric. I can document the names as
deprecated in the {{metrics.rst}} file (but would likely just do that as a
single documentation task on CASSANDRA-15821). If there is some other method of
not "breaking the old names" please let me know or if there is another form of
"deprecation" I should consider beyond what is described I'd be happy to hear.
Otherwise, I've mostly implemented the approach I've described and should have
a something for review shortly.
> Make Table/Keyspace Metric Names Consistent With Each Other
> -----------------------------------------------------------
>
> Key: CASSANDRA-15909
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15909
> Project: Cassandra
> Issue Type: Improvement
> Components: Observability/Metrics
> Reporter: Stephen Mallette
> Assignee: Stephen Mallette
> Priority: Normal
> Fix For: 4.0-beta
>
>
> As part of CASSANDRA-15821 it became apparent that certain metric names found
> in keyspace and tables had different names but were in fact the same metric -
> they are as follows:
> * Table.SyncTime == Keyspace.RepairSyncTime
> * Table.RepairedDataTrackingOverreadRows == Keyspace.RepairedOverreadRows
> * Table.RepairedDataTrackingOverreadTime == Keyspace.RepairedOverreadTime
> * Table.AllMemtablesHeapSize == Keyspace.AllMemtablesOnHeapDataSize
> * Table.AllMemtablesOffHeapSize == Keyspace.AllMemtablesOffHeapDataSize
> * Table.MemtableOnHeapSize == Keyspace.MemtableOnHeapDataSize
> * Table.MemtableOffHeapSize == Keyspace.MemtableOffHeapDataSize
> Also, client metrics are the only metrics to start with a lower case letter.
> Change those to upper case to match all the other metrics.
> Unifying this naming would help make metrics more consistent as part of
> CASSANDRA-15582
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