Feature #21571
closed
mds: limit number of snapshots (global and subtree)
Added by Zheng Yan over 6 years ago.
Updated about 4 years ago.
Description
when there are hundreds of snapshots, metadata operations become slow. Besides, lots of snapshots can cause kernel panic because snap context can not be encoded in osd request buffer.
- Tracker changed from Bug to Feature
- Tracker changed from Feature to Bug
- Subject changed from limit number of snapshots to mds: limit number of snapshots
- Assignee set to Zheng Yan
- Priority changed from Normal to High
- Target version set to v14.0.0
- Source set to Development
- Backport set to mimic
- Regression set to No
- Severity set to 3 - minor
- Component(FS) MDS added
- Labels (FS) snapshots added
- Has duplicate Feature #24429: fs: implement snapshot count limit by subtree added
- Tracker changed from Bug to Feature
- Subject changed from mds: limit number of snapshots to mds: limit number of snapshots (global and subtree)
There should be a global limit (if necessary for performance) and subtree limits (from #24429) so that operators can limit users.
- Target version changed from v14.0.0 to v15.0.0
- Start date deleted (
09/27/2017)
- Backport deleted (
mimic)
- Status changed from New to Duplicate
- Status changed from Duplicate to Need More Info
Zheng, looking at #41209: do we need a snapshot limit by subtree or is a directory limit via config sufficient?
- Related to Feature #41209: mds: create a configurable snapshot limit added
- Target version deleted (
v15.0.0)
- Status changed from Need More Info to Duplicate
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