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https://issues.apache.org/jira/browse/CASSANDRA-14149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuqi Yan reassigned CASSANDRA-14149:
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Assignee: Yuqi Yan
> Count all types of tombstones in the read path and the rows/cells they shadow
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-14149
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14149
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Legacy/Local Write-Read Paths
> Reporter: Alexander Dejanovski
> Assignee: Yuqi Yan
> Priority: Normal
> Fix For: 5.x
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> This ticket is a follow up to CASSANDRA-8527 which aims at reporting row
> level tombstones in the read path.
> The aim here is to fully categorize the cells/rows that can be shadowed by
> range tombstones. Currently, one range tombstone will count for 2 tombstone
> cells but as they may shadow thousands if not millions of actual cells, some
> latency issues in the local read path may be hard to diagnose.
> Based on discussions on the ML, one outcome could be to distinctively count
> cell/row/range tombstones and the number of cells/rows shadowed by each type.
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