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Ship it!


Ship It!

- Marquis


On Feb. 14, 2015, 4:42 p.m., Joshua Colp wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/4423/
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> (Updated Feb. 14, 2015, 4:42 p.m.)
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> 
> Review request for Asterisk Developers.
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> Repository: Asterisk
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> Description
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> The res_sorcery_config module currently uses a fixed bucket size of 53. This 
> means that depending on the number of objects you either end up with excess 
> buckets or a lot of collisions. Due to the way that res_sorcery_config is 
> implemented it's actually possible to make the bucket size dynamic based on 
> the number of objects. This is due to the fact that each loading of the 
> config file produces a new container and does not modify the existing one. 
> This change uses the number of expected objects and finds a prime number near 
> it. In practice depending on the number of objects this can speed up lookups 
> anywhere from 2X to 15X. This change also removes the lock from the container 
> as it is not needed.
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> 
> Diffs
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>   /branches/13/res/res_sorcery_config.c 431750 
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> Diff: https://reviewboard.asterisk.org/r/4423/diff/
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> 
> Testing
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> Confirmed that a close prime number was chosen using the debug message 
> depending on the number of objects. Confirmed that objects can still be 
> looked up. Did some spot checking with 10,000+ endpoints to see performance 
> impact.
> 
> 
> Thanks,
> 
> Joshua Colp
> 
>

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