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Bug #57855

cannot enable level_compaction_dynamic_level_bytes

Added by Beom-Seok Park 4 months ago. Updated 3 months ago.

Status:
New
Priority:
Normal
Assignee:
-
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

create an osd with the following options.

[osd]
bluestore rocksdb cf = true
bluestore rocksdb options annex = max_subcompactions=3,level_compaction_dynamic_level_bytes=true

16.2.0 ~ 16.2.5 : can enable level_compaction_dynamic_level_bytes
16.2.6 ~ 16.2.10 : cannot enable level_compaction_dynamic_level_bytes

History

#1 Updated by Beom-Seok Park 4 months ago

I did some more digging on this and found that this PR was the cause.
https://github.com/ceph/ceph/pull/43100

#2 Updated by Beom-Seok Park 3 months ago

I found that the level_compaction_dynamic_level_bytes option does not apply if opt.db_paths exists when opening rocksdb's DB.
I don't know why.

#3 Updated by Beom-Seok Park 3 months ago

db_paths is not compatible with level_compaction_dynamic_level_bytes.

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