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Adam G

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Config Server/Proxy Maximum Connections
« on: September 09, 2015, 12:23:02 PM »
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Hello!

I'm looking at Release Notes because I was made aware of a limitation on v8.1.2 for number of connections to a Config Server (Proxy).  I've searched the Notes and I found one relating to a fix for an error where the Config Server did not release connections correctly.  But I can't find anything that tells me the actual capacity of a Config Server (Proxy), at any version.

Is there a maximum - and did it increase between 8.1.2 and 8.1.3?

Thanks!
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Offline cavagnaro

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Re: Config Server/Proxy Maximum Connections
« Reply #1 on: September 09, 2015, 01:09:07 PM »
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    • No, the same. Minor versions don't change those configurations

    Enviado de meu C6602 usando Tapatalk
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    Adam G

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    Re: Config Server/Proxy Maximum Connections
    « Reply #2 on: September 09, 2015, 03:48:55 PM »
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    • Thanks - the same as each other - but what is the maximum concurrent connections?
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    Offline cavagnaro

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    Re: Config Server/Proxy Maximum Connections
    « Reply #3 on: September 09, 2015, 04:37:19 PM »
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    • Genesys say:

    Genesys only supports 32-bit compatibility mode which means that from the number of open TCP/IP connections stand point there is no gain if Configuration Server runs on Windows 64-bit. The limit remains at 4096.

    Also:
    [quote]
    Config Server on Windows 2003 is periodically rejecting connections over port 2020, requiring a restart to resolve.
    Does Config Server have an upper limit to TCP connections, or is this an OS issue?
    Answer
    Config Server does not have a limit for TCP connections - this is OS related.
    See the following Microsoft Link discussing TCP/IP Port Exhaustion, which explains:
    "When a client initiates a TCP/IP socket connection to a server, the client typically connects to a specific port on the server and requests that the server respond to the client over an ephemeral, or short lived, TCP or UDP port. On Windows Server 2003 and Windows XP the default range of ephemeral ports used by client applications is from 1025 through 5000. Under certain conditions it is possible that the available ports in the default range will be exhausted."
    See: http://msdn.microsoft.com/en-us/library/aa560610%28BTS.20%29.aspx
    The MS link above provides recommendations on monitoring and resolving the issue...please have your Windows System Administrator review all information at this link and investigate issue further.
    From a Genesys perspective, consider using one or more Config Server Proxies to balance the load.
    [/quote]
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    Offline cavagnaro

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    Re: Config Server/Proxy Maximum Connections
    « Reply #4 on: September 09, 2015, 04:42:30 PM »
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    • And...

    Consider deploying aditional instances of CS Proxy to distribute the load as no more than 500 clients for a single Config Sever instance is recommended - refer to the "Chapter 4: Management Framework" of the "Genesys Hardware Sizing Guide".

    So, read docs, lol :P
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    Adam G

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    Re: Config Server/Proxy Maximum Connections
    « Reply #5 on: September 09, 2015, 04:59:14 PM »
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    • lol - yeah, I see the irony... loool

    Thanks very much!
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    shaybc

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    Re: Config Server/Proxy Maximum Connections
    « Reply #6 on: December 18, 2017, 09:51:57 PM »
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    • sorry for waking up an old post, but we are experiencing the same problem (Config Server on Windows 2003 is periodically rejecting connections over port 2020, requiring a restart to resolve),

    we cannot find the reason for the connection accumulation,
    the config server logs show only 53 clients but the connections via netstat show more then 2,000 connection in establish mode (not TIME_WAIT),

    we are using clients (CME, IWS, CCP) connected to proxy and the proxy connected to primary and secondary config server,

    so, any solution to this? did setting 500 clients per proxy fixed the issue?

    thanks ahead,
    ShayBC
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    Offline hsujdik

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    Re: Config Server/Proxy Maximum Connections
    « Reply #7 on: December 19, 2017, 05:46:01 PM »
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    • [quote author=shaybc link=topic=9090.msg49127#msg49127 date=1513633917]
    the config server logs show only 53 clients but the connections via netstat show more then 2,000 connection in establish mode (not TIME_WAIT),
    [/quote]

    Check if ADDP is set on ConfigServer's clients to the Config Server. If not, it may cause this.

    (not the answer for your question directly, but might help)
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