I have several htables with various amounts of data in them ranging from a couple hundred
entries to a couple million entries and while the reload itself does take a bit, the vast
majority of the delay is the database -> Kamailio loading time. Once the data is in
there, the pointer updates haven’t been anything I’ve noticed. I’m sure it takes some
measurable amount of time, but in my case it’s so imperceptible that it’s irrelevant.
Brooks Bridges
1200 S. Rogers Circle, Unit 6
Boca Raton, FL 33487
Office: 916-235-2097 Main: 888-444-1111
email: bbridges@call48.com<mailto:bbridges@call48.com> | web:
www.call48.com<http://www.call48.com/>
[cid:image001.png@01D84A57.E847A810]
From: sr-users <sr-users-bounces(a)lists.kamailio.org> On Behalf Of David Villasmil
Sent: Thursday, April 7, 2022 08:09
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: Re: [SR-Users] Htable reload
Thanks Alex, I'm wondering how this will affect performance if there are many
thousands or even millions of records...
Regards,
David Villasmil
email: david.villasmil.work@gmail.com<mailto:david.villasmil.work@gmail.com>
phone: +34669448337
On Thu, Apr 7, 2022 at 4:03 PM Alex Balashov
<abalashov@evaristesys.com<mailto:abalashov@evaristesys.com>> wrote:
No, the reload actually creates a temporary new hash table (in heap), loads the entries
from the DB into it, then iterates through the buckets of that temporary table and
replaces the entries (pointers) in the existing table with the entries from the temporary
table, then frees the buckets in the temporary table.
On Apr 7, 2022, at 4:43 AM, David Villasmil
<david.villasmil.work@gmail.com<mailto:david.villasmil.work@gmail.com>>
wrote:
Hello all,
I’ve been trying to figure out how htable reloads happen. Does it replaces the existing
one or creates a new one, populates it from the db and then renames it? The latter would
be (I think) ideal, even if it uses more resources.
Thanks!
David
--
Regards,
David Villasmil
email: david.villasmil.work@gmail.com<mailto:david.villasmil.work@gmail.com>
phone: +34669448337
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