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https://issues.apache.org/jira/browse/KUDU-423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adar Dembo reassigned KUDU-423:
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Assignee: (was: Adar Dembo)
This Jira originally yielded the log block manager, but there's still a bunch
of tracked stuff if someone else wants to tackle the various improvements.
> Implement scalable and performant on-disk storage
> -------------------------------------------------
>
> Key: KUDU-423
> URL: https://issues.apache.org/jira/browse/KUDU-423
> Project: Kudu
> Issue Type: New Feature
> Components: fs
> Affects Versions: M4
> Reporter: Todd Lipcon
> Priority: Major
> Labels: roadmap-candidate, scalability
>
> Our current on-disk storage has a number of issues:
> - only writes to one local disk (need to scale to at least 12)
> - exhausts file descriptors quickly (see KUDU-56)
> - causes a ton of seeks at startup (KUDU-374)
> - has big latency stalls on write due to ext4 journal-related chunky writeback
> - doesn't support features we'll eventually want to support such as tiered
> storage
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