[SERVER-21464] tcmalloc seems to suffer more from fragmentation in 3.2.0-rc2 than 3.0.x Created: 15/Nov/15  Updated: 17/Nov/15  Resolved: 17/Nov/15

Status: Closed
Project: Core Server
Component/s: Internal Code
Affects Version/s: None
Fix Version/s: 3.2.0-rc3

Type: Bug Priority: Major - P3
Reporter: Martin Bligh Assignee: Martin Bligh
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
Backwards Compatibility: Fully Compatible
Operating System: ALL
Sprint: QuInt C (11/23/15)
Participants:

 Description   

Extended runs with large numbers of threads seem to lead to tcmalloc thrashing for memory.



 Comments   
Comment by Githook User [ 15/Nov/15 ]

Author:

{u'username': u'martinbligh', u'name': u'Martin Bligh', u'email': u'mbligh@mongodb.com'}

Message: SERVER-21464: Return all threaed-local memory to tcmalloc central cache when a thread goes idle
Branch: master
https://github.com/mongodb/mongo/commit/7790034b4b1cba68d44a8df920edd64cc05ccdd9

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