Parallelize backups and restore file operations#4023

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elangelo wants to merge 8 commits intoapache:mainfrom

elangelo:parallelizebackups

Commits on Jan 6, 2026

parallelize backups so backups to s3 don't take ages
samuelverstraete
committed
parallelize the restore too
samuelverstraete
committed
make sure gradlew check runs properly, add to documentation, default to 1 thread, allow overriding with system properties
samuelverstraete
committed