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Re: squid 4.1 default queue-size should consider concurrency

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On Tuesday 03 July 2018 01:46 PM, Amos Jeffries wrote:
On 03/07/18 20:00, Amish wrote:
Hello,

In squid 4.1 new option "queue-size" was introduced.

In most (or all) cases default "queue-size" is set to children-max*2.

But I believe it should be higher of (children-max*2) OR (concurrency*2)

Or it can be some better formula but the point I am trying to make is
that, "concurrency" should be taken in to account for calculating
default value of "queue-size".

Please consider.
FYI; When we add a directive or option to control some behaviour that
already happens the default is usually set to the value all existing
Squid are using so nobody gets an unexpected surprise with upgrade.

That can change later once more people have experimented to find what a
better value actually is.

Cheers
Amos

Oh ok. I thought "queue-size" was completely new thing and didnt even exist implicitly in earlier version.

In my case helper has only 1 process but 10 concurrency. So 2 was obviously not a right default value for my case. Hence my post.

But I agree with your point about unexpected surprises.

Thanks and regards,

Amish.
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