| Type: | number |
| Default: | 100 |
Description: The size of the initial window, this value is used during flow control. If the max-connections() option is set, the log-iw-size() will be divided by the number of connections, otherwise log-iw-size() is divided by 10 (the default value of the max-connections() option). The resulting number is the initial window size of each connection. For optimal performance when receiving messages from syslog-ng OSE clients, make sure that the window size is larger than the flush-lines() option set in the destination of your clients.
If log-iw-size(1000) and max-connections(10), then each connection will have an initial window size of 100.
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