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https://issues.apache.org/jira/browse/CASSANDRA-21111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Miklosovic updated CASSANDRA-21111:
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Bug Category: Parent values: Code(13163)Level 1 values: Bug - Unclear
Impact(13164)
Complexity: Normal
Component/s: Local/SSTable
Discovered By: User Report
Fix Version/s: 4.0.x
4.1.x
5.0.x
5.x
Severity: Normal
Status: Open (was: Triage Needed)
> Cassandra sstable generation ID's are a signed int which might overflow
> -----------------------------------------------------------------------
>
> Key: CASSANDRA-21111
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21111
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Local/SSTable
> Reporter: Stefan Miklosovic
> Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> We need to triage this but this seems to be legit:
> We have hit an issue with a cluster that where sstable generation ID’s for a
> peer has incremented so high that it has overflowed, which has introduced a
> 2nd dash into the file name. For example:
> nb--2146021117-big-data.db
> This caused an issue with our solution which is aimed to consolidate
> partition statistics in the data set. The current version of the solution
> does not recognise the possibility of sstable generation ID’s being a
> negative value - which causes it to fail.
> Workaround:
> Rename all sstables in the table to “reset” the generation ID.
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