[LU-11341] Do not use pagecache for I/O Created: 06/Sep/18  Updated: 14/Jul/20  Resolved: 14/Jul/20

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

Type: Improvement Priority: Critical
Reporter: Joseph Gmitter (Inactive) Assignee: WC Triage
Resolution: Duplicate Votes: 0
Labels: None

Issue Links:
Duplicate
duplicates LU-12071 bypass pagecache for large files Resolved
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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