Re: radosgw new zonegroup hammers master with metadata sync

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



hi Boris,

we've been investigating reports of excessive polling from metadata
sync. i just opened https://tracker.ceph.com/issues/61743 to track
this. restarting the secondary zone radosgws should help as a
temporary workaround

On Tue, Jun 20, 2023 at 5:57 AM Boris Behrens <bb@xxxxxxxxx> wrote:
>
> Hi,
> yesterday I added a new zonegroup and it looks like it seems to cycle over
> the same requests over and over again.
>
> In the log of the main zone I see these requests:
> 2023-06-20T09:48:37.979+0000 7f8941fb3700  1 beast: 0x7f8a602f3700:
> fd00:2380:0:24::136 - - [2023-06-20T09:48:37.979941+0000] "GET
> /admin/log?type=metadata&id=62&period=e8fc96f1-ae86-4dc1-b432-470b0772fded&max-entries=100&&rgwx-zonegroup=b39392eb-75f8-47f0-b4f3-7d3882930b26
> HTTP/1.1" 200 44 - - -
>
> Only thing that changes is the &id.
>
> We have two other zonegroups that are configured identical (ceph.conf and
> period) and these don;t seem to spam the main rgw.
>
> root@host:~# radosgw-admin sync status
>           realm 5d6f2ea4-b84a-459b-bce2-bccac338b3ef (main)
>       zonegroup b39392eb-75f8-47f0-b4f3-7d3882930b26 (dc3)
>            zone 96f5eca9-425b-4194-a152-86e310e91ddb (dc3)
>   metadata sync syncing
>                 full sync: 0/64 shards
>                 incremental sync: 64/64 shards
>                 metadata is caught up with master
>
> root@host:~# radosgw-admin period get
> {
>     "id": "e8fc96f1-ae86-4dc1-b432-470b0772fded",
>     "epoch": 92,
>     "predecessor_uuid": "5349ac85-3d6d-4088-993f-7a1d4be3835a",
>     "sync_status": [
>         "",
> ...
>         ""
>     ],
>     "period_map": {
>         "id": "e8fc96f1-ae86-4dc1-b432-470b0772fded",
>         "zonegroups": [
>             {
>                 "id": "b39392eb-75f8-47f0-b4f3-7d3882930b26",
>                 "name": "dc3",
>                 "api_name": "dc3",
>                 "is_master": "false",
>                 "endpoints": [
>                 ],
>                 "hostnames": [
>                 ],
>                 "hostnames_s3website": [
>                 ],
>                 "master_zone": "96f5eca9-425b-4194-a152-86e310e91ddb",
>                 "zones": [
>                     {
>                         "id": "96f5eca9-425b-4194-a152-86e310e91ddb",
>                         "name": "dc3",
>                         "endpoints": [
>                         ],
>                         "log_meta": "false",
>                         "log_data": "false",
>                         "bucket_index_max_shards": 11,
>                         "read_only": "false",
>                         "tier_type": "",
>                         "sync_from_all": "true",
>                         "sync_from": [],
>                         "redirect_zone": ""
>                     }
>                 ],
>                 "placement_targets": [
>                     {
>                         "name": "default-placement",
>                         "tags": [],
>                         "storage_classes": [
>                             "STANDARD"
>                         ]
>                     }
>                 ],
>                 "default_placement": "default-placement",
>                 "realm_id": "5d6f2ea4-b84a-459b-bce2-bccac338b3ef",
>                 "sync_policy": {
>                     "groups": []
>                 }
>             },
> ...
>
> --
> Die Selbsthilfegruppe "UTF-8-Probleme" trifft sich diesmal abweichend im
> groüen Saal.
> _______________________________________________
> ceph-users mailing list -- ceph-users@xxxxxxx
> To unsubscribe send an email to ceph-users-leave@xxxxxxx
_______________________________________________
ceph-users mailing list -- ceph-users@xxxxxxx
To unsubscribe send an email to ceph-users-leave@xxxxxxx




[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux