[SERVER-8843] serverStatus.extra_info.page_faults overflows and goes negative Created: 04/Mar/13  Updated: 19/Sep/15  Resolved: 21/Jul/15

Status: Closed
Project: Core Server
Component/s: Diagnostics
Affects Version/s: 2.2.1
Fix Version/s: 3.1.7

Type: Bug Priority: Major - P3
Reporter: Ryan Nitz Assignee: Andrew Morrow (Inactive)
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
Related
Backwards Compatibility: Fully Compatible
Operating System: ALL
Sprint: Platform 6 07/17/15, Platform 7 08/10/15
Participants:

 Description   

serverStatus.extra_info.page_faults overflows and goes negative

"extra_info": {
    "page_faults": -1724389613,
    "heap_usage_bytes": 171423040,
    "note": "fields vary by platform"
}



 Comments   
Comment by Githook User [ 28/Jul/15 ]

Author:

{u'username': u'acmorrow', u'name': u'Andrew Morrow', u'email': u'acm@mongodb.com'}

Message: SERVER-8843 Return large page fault numbers as doubles
Branch: master
https://github.com/mongodb/mongo/commit/a5d440119a5746936e3e426a1c89dacda972408a

Comment by Githook User [ 21/Jul/15 ]

Author:

{u'username': u'acmorrow', u'name': u'Andrew Morrow', u'email': u'acm@mongodb.com'}

Message: SERVER-8843 Return large page fault numbers as doubles
Branch: master
https://github.com/mongodb/mongo/commit/a5d440119a5746936e3e426a1c89dacda972408a

Comment by Scott Hernandez (Inactive) [ 04/Mar/13 ]

We get an unsigned long out of the /proc filesystem for this. https://github.com/mongodb/mongo/blob/master/src/mongo/util/processinfo_linux2.cpp#L140

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