[LU-11339] Do not use pagecache for I/O Created: 06/Sep/18  Updated: 15/Apr/20  Resolved: 15/Apr/20

Status: Closed
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: Lustre 2.12.0

Type: Improvement Priority: Minor
Reporter: Joseph Gmitter (Inactive) Assignee: Alex Zhuravlev
Resolution: Duplicate Votes: 0
Labels: None

Rank (Obsolete): 9223372036854775807

 Description   

For SSD optimization, disable pagecache for IO when:

  • non-rotational storage is used
  • when both read and write caches are disabled

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