[#LU-916] preallocate or pin debug pages to avoid contention with OSS read cache

Client eviction on lock callback timeout (LU-874) [LU-916] preallocate or pin debug pages to avoid contention with OSS read cache Created: 12/Dec/11 Updated: 29/May/17 Resolved: 29/May/17
Status:	Resolved
Project:	Lustre
Component/s:	None
Affects Version/s:	Lustre 2.2.0
Fix Version/s:	None

Type:

Technical task

Priority:

Minor

Reporter:

Andreas Dilger

Assignee:

WC Triage

Resolution:

Low Priority

Votes:

Labels:

None

Rank (Obsolete):

10436

Description

As a sub-task of ~~LU-874~~ we need to be able to reliably collect debug data while the OSS read cache is enabled. Otherwise, the tage allocations fail too often and drop debug messages while also flooding the console with error messages.

Comments

Comment by Andreas Dilger [ 29/May/17 ]

I think this is already done.

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[LU-916] preallocate or pin debug pages to avoid contention with OSS read cache Created: 12/Dec/11 Updated: 29/May/17 Resolved: 29/May/17