Hello, I have a question about rgw synchronization mechanic. When we are trying to initialize full bucket sync on existing bucket, or when try to synchonize delete bucket we see "full sync" in bucket sync status on our clusters. For example: realm b6ca44da-921e-42da-b377-80e9fae83b61 (s3-TEST.kmd4.pl) zonegroup c41b36c6-2031-407b-bab4-36cd0b3e56da (poznan-1) zone 91a17d0c-84a0-4706-a40d-1b6df1996a10 (zone-poznan-1-kielman) bucket :1d2848a2-9ca7-402c-9976-a6dc775547bb[8e5c54a9-7eb2-4521-b327-081a1a647205.4079816.2]) current time 2025-11-24T13:11:48Z source zone 8e5c54a9-7eb2-4521-b327-081a1a647205 (zone-poznan-1-pcss-bst) source bucket :1d2848a2-9ca7-402c-9976-a6dc775547bb[8e5c54a9-7eb2-4521-b327-081a1a647205.4079816.2]) full sync: 15221490 objects completed In this case we have deleted bucket with broken synchronization on the secondary zone. After RGW was started up again synchronization should have tarted from zero. Bucket 1d2848a2-9ca7-402c-9976-a6dc775547bb has 1163263 10MiB s3 objects. bucket sync status is right now at 15221490 and still increasing. That's 13x bigger number than object count in this bucket. In case of some other bucket we saw that "full sync: objects completed" number grew to about 20x s3 object count in the bucket. Can someone explain what this number means and why it gets so big? How big it's supposed to get? Can we predict how much of the synchronization is "done" from this number? Best regards Adam Prycki