[CASSANDRA-10512] We do not save an upsampled index summaries - ASF JIRA

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Type: Bug
Status: Resolved
Priority: Normal
Resolution: Fixed
Fix Version/s: 2.2.6, 3.0.4, 3.4
Component/s: Legacy/Local Write-Read Paths
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None

Severity:
Normal

Description

If we downsample an index summary, we overwrite the existing summary, despite downsampling being inexpensive. However on upsampling (which is expensive) we do not, so that on restart all of our index summaries are the smallest they have ever been adjusted to.

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CASSANDRA-10511 Index summary downsampling prevents mmap access of large files after restart

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Assignee:: Ariel Weisberg

Reporter:: Benedict Elliott Smith

Authors:: Ariel Weisberg

Reviewers:: Tom Hobbs

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 13/Oct/15 17:02

Updated:: 16/Apr/19 09:30

Resolved:: 11/Feb/16 23:57