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List:       freeradius-users
Subject:    Re: Redis cluster sentinel
From:       Alan DeKok <aland () deployingradius ! com>
Date:       2019-04-23 22:50:51
Message-ID: A9BEBA83-CE9F-4269-84EE-2C27057EB4FA () deployingradius ! com
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On Apr 23, 2019, at 6:33 PM, Talel Krimi <talelkrimi01@gmail.com> wrote:
> 
> how the GGSN retransmits the same packet? it is a UDP protocol, there are
> now way he ll way for an some kind of response ( ACK )

  It's how RADIUS works.  If you want to know more, read RFC 2865 and RFC 5080.

> we did the necessary tuning on our databases ( we are using redis in memory
> database ) and there is no issues with it

  <shrug>  If the server is blocking in rlm_rediswho, then the database does have \
issues.

  Maybe you're using another database too, and that database is also slow.

  Again, this isn't complex  FreeRADIUS can do 50K packets/s if it's just doing ACKs. \
If your system isn't doing that, it's because of local changes.

  We've run FR with sustained loads of 5-10K packets/s to a database.  But that is a \
very carefully designed system.

  Alan DeKok.


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