[SERVER-2768] mongos speed improvements Created: 16/Mar/11  Updated: 12/Jul/16  Resolved: 27/Nov/12

Status: Closed
Project: Core Server
Component/s: Sharding
Affects Version/s: None
Fix Version/s: 2.0.0

Type: Improvement Priority: Major - P3
Reporter: Eliot Horowitz (Inactive) Assignee: Mathias Stearn
Resolution: Done Votes: 5
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
Duplicate
is duplicated by SERVER-7331 Optimize mongos performance Closed
Participants:

 Description   

There are various places in mongos where we waste cpu cycles



 Comments   
Comment by Mathias Stearn [ 27/Nov/12 ]

Closing out vague ticket with work already completed

Comment by Mathias Stearn [ 09/Aug/11 ]

Related commits:

https://github.com/mongodb/mongo/commit/c69a6247ed2b849503d1964674efd71cd3c65ffa
https://github.com/mongodb/mongo/commit/0045301af9f756c6ef6de83373e502c1fa281a88
https://github.com/mongodb/mongo/commit/0e20be567e38e835d8a2df17ba030391bbbb00ee
https://github.com/mongodb/mongo/commit/e0391514a811bbb404397a74e7ce631d80581d6e
https://github.com/mongodb/mongo/commit/04261c7d15308d2b20edf61b9c8ee175f6c21ad4
https://github.com/mongodb/mongo/commit/b3204f84900ce4bba3b21902360463e4215defcd

I'm sure there's more to do, but this was low-hanging fruit

Comment by Eliot Horowitz (Inactive) [ 22/Jun/11 ]

we should do a round of profiling
I think ChunkManager has some hot spots

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