[SERVER-23538] should scale TCMalloc cache based on machine size Created: 05/Apr/16  Updated: 28/Sep/16  Resolved: 03/May/16

Status: Closed
Project: Core Server
Component/s: Storage
Affects Version/s: None
Fix Version/s: 3.3.6

Type: Improvement Priority: Minor - P4
Reporter: Geert Bosch Assignee: Vincent Do
Resolution: Done Votes: 0
Labels: neweng
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
is depended on by SERVER-23391 Improve behavior when running under W... Closed
Documented
is documented by DOCS-8922 should scale TCMalloc cache based on ... Closed
Backwards Compatibility: Fully Compatible
Sprint: Integrate+Tuning 14 (05/13/16)
Participants:

 Description   

Currently we default the max thread cache size to 1 GB regardless of machine size. While it is extremely rare to hit anywhere close to this maximum, as many threads won't use any cache, it would still be a good idea to scale the max down for small machines <= 4GB.



 Comments   
Comment by Githook User [ 03/May/16 ]

Author:

{u'username': u'vincentdo', u'name': u'Vincent Do', u'email': u'vincent.do@10gen.com'}

Message: SERVER-23538 Set tcmalloc cache size based on system memory size
Branch: master
https://github.com/mongodb/mongo/commit/9fac819a2b924cc2b7b1da76d24ecb09e6295d5e

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