Ceph » crimson

The recovery of the clone object rbd_data.16bfb19ecd06.0000000000008dc8:18 triggers a "load_metadata" for the head object rbd_data.16bfb19ecd06.0000000000008dc8:head

INFO  2024-12-07 14:33:01,928 [shard 0:main] osd - enqueue_push: obj=4:6eff6a41:::rbd_data.16bfb19ecd06.0000000000008dc8:18 v=43988'607 peers=[0]
DEBUG 2024-12-07 14:33:01,928 [shard 0:main] osd - recover_object: 4:6eff6a41:::rbd_data.16bfb19ecd06.0000000000008dc8:18, 43988'607
DEBUG 2024-12-07 14:33:01,928 [shard 0:main] osd - maybe_pull_missing_obj: 4:6eff6a41:::rbd_data.16bfb19ecd06.0000000000008dc8:18, 43988'607
DEBUG 2024-12-07 14:33:01,928 [shard 0:main] osd - recover_object: loading obc: 4:6eff6a41:::rbd_data.16bfb19ecd06.0000000000008dc8:18
DEBUG 2024-12-07 14:33:01,928 [shard 0:main] osd - tri_mutex 8000000000000000.00000000.0... writers 0 readers 0 exclusively_used false waiters: 0 tri_mutex::~tri_mutex():
DEBUG 2024-12-07 14:33:01,928 [shard 0:main] osd -  pg_epoch 45160 pg[4.376( v 45117'4579 (44794'3182,45117'4579] local-lis/les=44828/44829 n=514 ec=82/82 lis/c=44828/43021 les/c/f=44829/43022/0 sis=44828) [9,7,0]/[9,7,12] backfill=[0] r=0 lpr=44828 pi=[43021,44828)/1 lua=44810'3599 crt=45117'4579 mlcod 45117'4579 active+remapped+backfilling  ObjectContextLoader::with_locked_obc: object 4:6eff6a41:::rbd_data.16bfb19ecd06.0000000000008dc8:head existed false

The scan_for_backfill listing the range that includes rbd_data.16bfb19ecd06.0000000000008dc8:head leaks it, as its obc is already in cache, but not existed yet

DEBUG 2024-12-07 14:33:01,928 [shard 0:main] osd - request_primary_scan
DEBUG 2024-12-07 14:33:01,928 [shard 0:main] osd - scan_for_backfill starting from 4:6eff6a41:::rbd_data.16bfb19ecd06.0000000000008dc8:head
DEBUG 2024-12-07 14:33:01,930 [shard 0:main] osd - load_metadata: object 4:6effb36e:::rbd_data.16bf7503bc55.000000000000439a:head and snapset 0=[]:{} present
DEBUG 2024-12-07 14:33:01,930 [shard 0:main] osd - scan_for_backfill found: 4:6effb36e:::rbd_data.16bf7503bc55.000000000000439a:head  183'108
DEBUG 2024-12-07 14:33:01,931 [shard 0:main] osd - load_metadata: object 4:6effccc4:::rbd_data.16bf5f0a3939.000000000000f001:head and snapset 0=[]:{} present
DEBUG 2024-12-07 14:33:01,931 [shard 0:main] osd - scan_for_backfill found: 4:6effccc4:::rbd_data.16bf5f0a3939.000000000000f001:head  43937'494
DEBUG 2024-12-07 14:33:01,931 [shard 0:main] osd - load_metadata: object 4:6eff86b6:::rbd_data.16bf539f5e2f.0000000000023981:head and snapset 0=[]:{} present
DEBUG 2024-12-07 14:33:01,931 [shard 0:main] osd - scan_for_backfill found: 4:6eff86b6:::rbd_data.16bf539f5e2f.0000000000023981:head  44268'892
DEBUG 2024-12-07 14:33:01,931 [shard 0:main] osd - scan_for_backfill BackfillInterval filled, leaving, BackfillInfo(4:6eff6a41:::rbd_data.16bfb19ecd06.0000000000008dc8:head-MAX 3 objects {4:6eff86b6:::rbd_data.16bf539f5e2f.0000000000023981:head=44268'892,4:6effb36e:::rbd_data.16bf7503bc55.000000000000439a:head=183'108,4:6effccc4:::rbd_data.16bf5f0a3939.000000000000f001:head=43937'494})