cockroachdb / cockroachdb/cockroach
Improve performance of `SHOW BACKUP` on a backup with a large number of descriptors
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A-disaster-recovery
C-enhancement
T-disaster-recovery
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Description
For backups with a large number of descriptors, CPU profiles show a large amount of time being spent deserializing and cloning these descriptors which may have room for improvement.
Related Jira issue that has a debug.zip that can reproduce this slowness: https://cockroachlabs.atlassian.net/browse/CC-24926
Jira issue: CRDB-28917
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