Part of macOS
cronScheduled housekeeping
○ Leave it
Runs macOS’s routine maintenance jobs.
What it is
Tidies logs, temporary files and indexes on a schedule.
If you stop it
macOS starts it again straight away. Leave it.
The verdict
○ Leave it. Part of macOS, or something that starts again by itself. You never need to close these.
In Activity Monitor
cronatrunnewsysloglocate.updatedbmmaintenancedtmp_cleaner
From Procession’s guide, in the words the app shows.