[SR-Users] Database Insert

Daniel W. Graham dan at cmsinter.net
Tue Feb 16 22:46:52 CET 2016

Ok, just making sure I was on the same page :)

Thanks for the link to the article, looks like a good read!

Much appreciated,

-----Original Message-----
From: sr-users [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Alex Balashov
Sent: Tuesday, February 16, 2016 4:31 PM
To: sr-users at lists.sip-router.org
Subject: Re: [SR-Users] Database Insert

On 02/16/2016 04:27 PM, Daniel W. Graham wrote:

> Well I assume either way would work, is there that big of performance 
> hit by using sql_query?

That depends on how long the INSERT statement takes to return. :-) In principle, it shouldn't be a big deal.

sql_query_async() is just a wrapper around something very similar to the mqueue/rtimer example I gave in the previous post. It's just more streamlined.

As far as whether there's a performance hit, that's a complex discussion. Any external I/O wait incurs some delay, but whether it's significant or whether it's worth doing anything about it is hard to say.

As it happens, I just wrote an article on this topic last night:


-- Alex

Alex Balashov | Principal | Evariste Systems LLC
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