[LU-12893] lnet: peer ni selection broken Created: 22/Oct/19  Updated: 27/Feb/20  Resolved: 27/Oct/19

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: Lustre 2.13.0, Lustre 2.12.4

Type: Bug Priority: Critical
Reporter: Amir Shehata (Inactive) Assignee: Amir Shehata (Inactive)
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Related
Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   

in 2.10.x the peer NID used remains the same for all LNet messages which are part of the same RPC request.

in 2.12 and later, that requirement has been broken. This will cause a performance hit on NUMA architectures.



 Comments   
Comment by Gerrit Updater [ 22/Oct/19 ]

Amir Shehata (ashehata@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/36552
Subject: LU-12893 lnet: fix peer_ni selection
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: aba8bbfffda74a59e5aa8342b80288b8ba3da5ec

Comment by Gerrit Updater [ 27/Oct/19 ]

Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/36552/
Subject: LU-12893 lnet: fix peer_ni selection
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 94ee26738884e3f5b241698bc2e7a8da9702d264

Comment by Peter Jones [ 27/Oct/19 ]

Landed for 2.13

Comment by Gerrit Updater [ 01/Nov/19 ]

Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/36643
Subject: LU-12893 lnet: fix peer_ni selection
Project: fs/lustre-release
Branch: b2_12
Current Patch Set: 1
Commit: 6159e7adbaf39f4b06333a8f9ba27ef410d4ee17

Comment by Gerrit Updater [ 05/Dec/19 ]

Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/36643/
Subject: LU-12893 lnet: fix peer_ni selection
Project: fs/lustre-release
Branch: b2_12
Current Patch Set:
Commit: 173696c3252aea3ec5da5aef00252c1378f98b5e

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