[LU-14801] Improve the performance of "lfs find -perm" by checking on the MDT

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.15.0
• Affects Version/s: Lustre 2.15.0
• Labels: easy lfs
• Assignee: Guillaume Courrier
• Reporter: Guillaume Courrier

Description

The current implementation of the "-perm" predicate for "lfs find" asks the OST for the permissions of the file. This is not necessary as this information is already available on the MDT.

Issue Links

• is blocking: LU-11188 Add to "lfs find" the ability to check on permissions

Comments

[Peter Jones]

Landed for 2.15

[Gerrit Updater]

"Oleg Drokin <[e-mail]>" merged in patch https://review.whamcloud.com/44118/
Subject: LU-14801: utils: improve performance of 'lfs find -perm'
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 8c2d87037d4b761428ddad076e296ee05c85cc52

[Guillaume Courrier]

We have noticed some performance issue related to the fact that the code was checking the permissions on the OST instead of the MDT. This new version should solve this issue.

 

[Gerrit Updater]

Guillaume Courrier ([e-mail]) uploaded a new patch: https://review.whamcloud.com/44118
Subject: LU-14801: Improve the performance of "lfs find -perm"
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 32d197ef5e27575ec7d8592e58e092182df1d06a