luminous: bluestore rocksdb max_background_compactions regression in 12.2.13
Bug #1871820 reported by
James Page
This bug affects 2 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Ceph |
Unknown
|
Unknown
|
|||
ceph (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
High
|
James Page |
Bug Description
There is a potential regression in the rocksdb max_background_
https:/
https:/
which ensures that any overlap between background compactions is detected and handled.
We either need to revert to a single background compaction as the default setting, or pick the fix into the rocksdb source in src:ceph/bionic
Changed in ceph (Ubuntu): | |
status: | New → Invalid |
Changed in ceph (Ubuntu Bionic): | |
importance: | Undecided → High |
Changed in ceph (Ubuntu Bionic): | |
assignee: | nobody → James Page (james-page) |
status: | New → In Progress |
tags: | added: sts |
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I'm going to revert the default configuration change - this is a minumal, least risk approach to this issue.
Its possible that we might want to pick the rocksdb fixes as well but that diverges Ubuntu from upstream in a core part of ceph which I'm not 100% comfortable with.
Feedback on the upstream tracker bug indicates there is a lot of evidence that increasing concurrency has not resulted in data loss.