Project

General

Profile

Bug #7649

kmem space exhasustion workaround

Added by Josh Paetzel over 5 years ago. Updated about 4 years ago.

Status:
Resolved
Priority:
Nice to have
Assignee:
William Grzybowski
Category:
Middleware
Target version:
Seen in:
TrueNAS - 9.2.1.9-RELEASE
Severity:
New
Reason for Closing:
Reason for Blocked:
Needs QA:
Yes
Needs Doc:
Yes
Needs Merging:
Yes
Needs Automation:
No
Support Suite Ticket:
n/a
Hardware Configuration:
ChangeLog Required:
No

Description

Setting kmem_map to 1.25x physical memory can help with it getting fragmented and having no free space to handle large requests

Associated revisions

Revision d8a3740c (diff)
Added by William Grzybowski over 5 years ago

Add a vm.kmem_size tunable in the autotune Ticket: #7649

Revision 9591c1c9 (diff)
Added by William Grzybowski over 5 years ago

Add a vm.kmem_size tunable in the autotune Ticket: #7649 (cherry picked from commit d8a3740c2022235d7cc4165a3ea2466d065499b3)

Revision 5a8a80f3 (diff)
Added by William Grzybowski over 5 years ago

Add a vm.kmem_size tunable in the autotune Ticket: #7649 (cherry picked from commit d8a3740c2022235d7cc4165a3ea2466d065499b3)

History

#1 Updated by Josh Paetzel over 5 years ago

  • Subject changed from kmem space exhasustion wotkaround to kmem space exhasustion workaround
  • Status changed from Investigation to Unscreened
  • Assignee changed from Josh Paetzel to William Grzybowski

Well, it seems stable. Let's go ahead and add it to autotune.

William,

Can you add the following tunable to autotune please? vm.kmem_size = (1.25 * hw.physmem)

#2 Updated by Josh Paetzel over 5 years ago

Josh Paetzel wrote:

Setting vm.kmem_size to 1.25x physical memory can help with it getting fragmented and having no free space to handle large requests

#3 Updated by Josh Paetzel over 5 years ago

Not my original text is wrong!

#4 Updated by William Grzybowski over 5 years ago

  • Status changed from Unscreened to Screened

#5 Updated by Jordan Hubbard over 5 years ago

  • Project changed from TrueNAS to FreeNAS
  • Category deleted (46)
  • Target version deleted (9.3-RELEASE)

#6 Updated by William Grzybowski over 5 years ago

  • Category set to 3
  • Target version set to Unspecified

#7 Updated by William Grzybowski over 5 years ago

  • Status changed from Screened to Ready For Release

#8 Updated by Jordan Hubbard over 5 years ago

  • Status changed from Ready For Release to Resolved

#9 Avatar?id=14398&size=24x24 Updated by Kris Moore about 4 years ago

  • Target version changed from Unspecified to N/A

Also available in: Atom PDF