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gw/reg_lb_ip - Define load value for specific IP addresses or ranges of IP addresses
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| Parameter : gw/reg_lb_ip |
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| Short description: Define load value for specific IP adresses or |
| range of IP adresses. |
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| Parameter description : |
| ----------------------- |
| This parameter specifies the "load" value for an IP address or for a |
| range of IP addresses. Instead of an IP address, you can also |
| a server name. The gateway then determines the associated IP address |
| for the server name. |
| |
| Syntax: 155.56.92.48=3 155.56.91.*=2 LinuxLab=1 |
| |
| List of IP addresses or host names. The load is specified after the |
| IP address using an equal sign. The load is a weighting factor that |
| specifies how strong a particular server is. The higher the value, |
| the weaker the server. |
| The maximum value is 1. |
| |
| For load balancing level 2 ( %%gw/reg_lb_level%% ), the system |
| uses the registered program with the least load. |
| The load is calculated as follows: |
| When the registered program registers at the gateway, the IP address |
| is used to determine what the "load" of the IP address is. |
| To do this, the list is searched in the order in which is was |
| specified by the profile parameter. This value is then added to the |
| "load" if this program receives a request. If the IP address is not |
| found, the value specified by the parameter %%gw/reg_lb_default%% is |
| used. |
| |
| You can therefore ensure that a stronger server receives more |
| requests than a weaker server. |
| |
| A server that registers at the gateway receives as an initial value |
| the highest load of all servers with the same registration ID. |
| |
| |
| For example: |
| gw/reg_lb_level = 2 |
| gw/reg_lb_ip = 194.56.48.*=2 194.56.49.*=4 |
| |
| Servers with the IP address 194.56.48 then receive twice as many |
| requests as the servers 194.45.49.* and ten times as many |
| requests as the other servers. |
| |
| You can change the list of IP addresses by dynamically changing the |
| value. |
| - If you want to change an entry from the list, simply specify the |
| new value as the "load". |
| such as 194.56.48.*=3 |
| - If you want to remove an entry from the list, enter the value 0 as |
| the "load". |
| for example, 194.56.49.*=0 deletes the entry |
| - If you want to add an entry, simply specify the new IP address or |
| the server name. |
| such as LinuxLab=1 |
| |
| Caution : The changed values apply only for servers that newly |
| register at the gateway. |
| |
| To display the current list, go to the gateway monitor, transaction |
| SMGW. |
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| Application area: Gateway |
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| Unit: List of IP addresses=value, separated by spaces |
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| Default value : - |
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| Who is permitted to make changes: The customer |
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| Limitations for Operating Systems: None |
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| Limitations for Database Systems: None |
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| Other Parameters Affected or Dependent: |
| %%gw/reg_lb_level%% |
| %%gw/reg_lb_default%% |
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| Valid entries, formats, areas: Above syntax |
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| Short Description : Define load value for specific IP addresses or ranges of IP addresses
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| Applications Area : Gateway
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| Parameter Type : S
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| Changes allowed : X
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| Valid for Operating System : *
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| Dynamic switchable : X
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| Same on all Servers :
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