mds/quiesce-db: track db epoch separately from the membership epoch #57454
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…a root Signed-off-by: Leonid Usov <leonid.usov@ibm.com>
Tracking the db epoch separately will make sure that replicas only follow leader's epoch choice, even if they are already on the new membership epoch. This eliminates races due to the random order of mdsmap updates. Fixes: https://tracker.ceph.com/issues/65977 Signed-off-by: Leonid Usov <leonid.usov@ibm.com>
Prevent sending of the same version to the same peer more than once a second Signed-off-by: Leonid Usov <leonid.usov@ibm.com>
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@batrick please approve for merge. See #57332 (comment) |
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jenkins test make check |
batrick
approved these changes
May 16, 2024
This was referenced May 27, 2024
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Fixes: https://tracker.ceph.com/issues/65977
Tracking the db epoch separately will make sure that replicas only follow leader's epoch choice, even if they are already on the new membership epoch. This eliminates races due to the random order of mdsmap updates.
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