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Data compression (COMPMSG)

 

This is a list of message data compression techniques supported by the channel. For sender, server, cluster-sender, cluster-receiver, and client-connection channels the values specified are in order of preference. The first compression technique supported by the remote end of the channel is used. The channels' mutually supported compression techniques are passed to the sending channel's message exit where the compression technique used can be altered on a per message basis. Compression will alter the data passed to send and receive exits. See Header compression (COMPHDR) for compression of the message header.

The possible values are:

NONE

No message data compression is performed. This is the default value.

RLE

Message data compression is performed using run-length encoding.

ZLIBFAST

Message data compression is performed using the zlib compression technique. A fast compression time is preferred.

ZLIBHIGH

Message data compression is performed using the zlib compression technique. A high level of compression is preferred.

ANY

Allows the channel to support any compression technique that the queue manager supports. Only supported for Receiver, Requester and Server-Connection channels.

This attribute is valid for all channel types.

 

Parent topic:

Channel attributes in alphabetical order

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