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https://issues.apache.org/jira/browse/CASSANDRA-11587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mahdi Mohammadi updated CASSANDRA-11587:
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Fix Version/s: 3.0.x
2.2.x
3.6
Status: Patch Available (was: In Progress)
> Cfstats estimate number of keys should return 0 for empty table
> ---------------------------------------------------------------
>
> Key: CASSANDRA-11587
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11587
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Environment: Cassandra 2.1.13
> Nodeltool
> Reporter: Jane Deng
> Assignee: Mahdi Mohammadi
> Priority: Trivial
> Labels: lhf
> Fix For: 3.6, 2.2.x, 3.0.x
>
>
> If sstable count is 0, the "estimate number of keys" in cfstats shows -1.
> {noformat}
> SSTable count: 0
> Number of keys (estimate): -1
> {noformat}
> The initial value of keyCount in SSTableReader is -1. When there is no
> sstable, nor entry in memtable, the keyCount isn't increased. Cfstats should
> have some boundary check and return 0 for this case.
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