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Backport #17909
closedjewel: ReplicatedBackend::build_push_op: add a second config to limit omap entries/chunk independently of object data
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Description
https://github.com/ceph/ceph/pull/11991
build_push_op assumes 8MB of omap entries is about as much work to read as 8MB of object data. This is probably false. Add a config (osd_recovery_max_omap_entries_per_chunk ?) with a sane default (50k?) and change build_push_op to use it.
Updated by Alexey Sheplyakov over 7 years ago
- Copied from Feature #16128: ReplicatedBackend::build_push_op: add a second config to limit omap entries/chunk independently of object data added
Updated by Alexey Sheplyakov over 7 years ago
In ceph deployments with large numbers of objects (typically generated by use of radosgw for object storage)
it's quite possible for OSDs recovering data to hit their suicide timeout and shutdown because of the number
of objects each was trying to recover in a single chunk between heartbeats.
https://bugs.launchpad.net/ubuntu/+source/ceph/+bug/1628750/comments/0
Updated by Alexey Sheplyakov over 7 years ago
Updated by Abhishek Varshney over 7 years ago
- Description updated (diff)
- Status changed from New to In Progress
- Assignee set to Alexey Sheplyakov
Updated by Nathan Cutler about 7 years ago
- Status changed from In Progress to Resolved
- Target version set to v10.2.6
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