Looks at how Spotlight adds a batch of new files to its volume indexes, and how it handles and answers queries.
mds_stores
Apple’s several patents cast new light on how Spotlight indexes the metadata and contents of local files, and why mds and other processes need to reindex periodically.
Finder tags should sync in iCloud Drive, and should be found when you use Spotlight search for their tag labels. Here’s what to check when there are problems.
Are you worried about your Mac maxing out its E cores after starting up in Sequoia? There may be nothing wrong about this, as explained here.
When you start your Mac up, the fans blow full on, and you see CGPDFServices taking lots of CPU %. Is this malware? No, but it’s new in Sonoma.
Immediate actions to get the best result from your search, and how to tackle even the most deep-seated of Spotlight problems.
Excessive CPU use by mds_stores is a common cause of sluggish performance. Explains what it does and what you can do bring it under control.
The Eclectic Light Company 