[SERVER-16200] Profile and tune mmapv1 performance Created: 17/Nov/14  Updated: 30/Dec/14  Resolved: 23/Dec/14

Status: Closed
Project: Core Server
Component/s: Performance
Affects Version/s: None
Fix Version/s: 2.8.0-rc4

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

Backwards Compatibility: Fully Compatible
Participants:

 Description   

We should profile the mmapv1 storage engine and verify performance when compared with server 2.6.



 Comments   
Comment by Githook User [ 30/Dec/14 ]

Author:

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

Message: SERVER-16200 Improve LTO integration for gcc and clang
Branch: master
https://github.com/mongodb/mongo/commit/0777616ff7ce85292e865c0340d92aadf7ba9867

Comment by Daniel Pasette (Inactive) [ 23/Dec/14 ]

This is resolved, but there is an additional code review that should be split out from this ticket into a separate task.

Comment by Githook User [ 25/Nov/14 ]

Author:

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

Message: SERVER-16200 Eagerly compute StringData lengths and streamline equality checks
Branch: master
https://github.com/mongodb/mongo/commit/ff4e5d39940f15f5fcc65e356ad3308859f68693

Comment by Githook User [ 20/Nov/14 ]

Author:

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

Message: SERVER-16200 Reuse already computed field name when iterating
Branch: master
https://github.com/mongodb/mongo/commit/d10ee8adc8265451d9fcbaae9669709618751311

Comment by Githook User [ 18/Nov/14 ]

Author:

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

Message: SERVER-16200 Eliminate some strcpy/strlen when handling namespaces
Branch: master
https://github.com/mongodb/mongo/commit/c3b92185d0a2f30e819aff44022e92230fb55b03

Comment by Githook User [ 18/Nov/14 ]

Author:

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

Message: SERVER-16200 Use unordered container to track operation contexts
Branch: master
https://github.com/mongodb/mongo/commit/87360c5dec1916fa033dfaaf4c369ed7912f331d

Comment by Githook User [ 18/Nov/14 ]

Author:

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

Message: SERVER-16200 Eliminate a redundant strlen in ThreadSafeString
Branch: master
https://github.com/mongodb/mongo/commit/adb1e5f25f3f5eacbbed382426542623b67632e5

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