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SQL Anywhere 10.0.1 » QAnywhere » QAnywhere Agent

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-iu option


Specifies the incremental upload size.

Syntax

qaagent -iu upload-size [ K | M ] ...

Default

256K

Remarks

This option specifies the size in bytes of the upload part of a message transmission. Use the suffix K or M to specify units of kilobytes or megabytes, respectively.

When the QAnywhere Agent starts, it assigns the value specified by this option to the ias_MaxUploadSize message store property. This message store property defines an upper bound on the size of an upload. When a transmission is triggered, the Agent tags messages for delivery to the server until the total size of all messages reaches the limit set with this option. When the limit is reached, these messages are sent to the server. As long as the messages arrive at the server and an acknowledgement is successfully sent from the server to the client, these messages are considered to be successfully delivered, even if the download phase of the transmission fails. The Agent continues sending batches of messages to the server until all queued messages have been delivered. Transmission rules are re-executed after each batch of messages is transmitted so that if a high priority messages gets queued during a transmission, it will jump to the front of the queue.

Messages are not split, so if there are messages queued for delivery, the upload always contains at least one message. The incremental upload size is an approximation, and it will be a poor approximation if there is a message to be uploaded that is many times larger than the incremental upload size.

See also