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Bug
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Resolution: Fixed
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High
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6.0.0, 6.1.0, 6.0.1, 6.2.0, 6.0.2, 6.1.1, 6.0.3, 6.1.2, 6.0.4, 6.1.3, 6.3.0, 6.0.5, 6.1.4, 6.2.1, 6.0.6, 6.1.5, 6.2.2, 6.3.1, 6.4.0, 6.2.3, 6.3.2, 6.5.0, 6.0.7, 6.1.6, 6.2.4, 6.3.3, 6.4.1, 6.6.0, 6.3.4, 6.4.2, 6.5.1, 6.1.7, 6.0.8, 6.0.9, 6.2.5, 6.5.2, 6.0.10, 6.1.8, 6.2.6, 6.3.5, 6.4.3, 6.7.0, 6.6.1, 6.6.2, 6.7.1, 6.7.2, 6.8.0, 6.8.1, 6.9.0, 6.10.0, 6.0.11, 6.1.9, 6.2.7, 6.3.6, 6.4.4, 6.5.3, 6.6.3, 6.7.3, 6.8.2, 6.9.1, 6.10.1
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9
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Severity 2 - Major
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3
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Issue Summary
If users, groups and membership caches are cold or have insufficient size (a required size for membership cache can be well into 500 000 entries mark for decent directory sizes), it is virtually impossible to add a branch permission as UI times out while the application checks all the found users for required permissions.
Steps to Reproduce
- Star a LDAP server
- Import the users and groups from that dataset: tree.ldif.zip
- Synchronise Bitbucket with that LDAP server.
- Create a project
- Create a repository
- Add write permissions for groups: group.2132849, group.2137710, group.2138629, group.8126700
- Go to "Branch permission"
- Click "Add permission"
- Start typing (manually typing, no copy-pasting): cn 203 (full username - cn 2034568)
Expected Results
User presented with a list of user which names start with "cn 203"
Actual Results
Timeout after one minute.
Workaround
For provided dataset bumping permission cache, group permission cache, user cache, group cache is inefficient if nested groups are enabled. Disabling nested groups makes permissions caches relatively effective.
For nested groups case, for provided dataset, cache.query.groupMemberships.max had to be set into value well above 100 000 (I had it at 500 000).
The root cause of the issue is that it takes a query per-user-per-permission check to get the groups user belongs to (even more if nested groups are enabled).
See also jProfiler snapshot: another-users-ang-groups-failure.jps
- is related to
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BSERV-11699 Only cache permissions for groups that actually have permissions granted
- Gathering Interest
- mentioned in
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