12.07.2015 Views

Installation and User's Guide

Installation and User's Guide

Installation and User's Guide

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A transaction is the unit of work exchanged between the client <strong>and</strong> server. Atransaction can contain more than one file or directory, called a transaction group.You can control the amount of data sent between the client <strong>and</strong> server, before theserver commits the data <strong>and</strong> changes to the server database, using the txnbytelimitoption. Controlling the amount of data sent changes the speed of the client toperform the transactions. The amount of data sent applies when files are batchedtogether during backup or when receiving files from the server during a restoreprocedure.After the txngroupmax number is reached, the client sends the files to the server,even if the transaction byte limit is not reached.Supported ClientsThis option is valid for all clients.Options FilePlace this option in the client options file (dsm.opt). You can set this option on theGeneral tab Transaction Buffer Size field of the Preferences editor.Syntax►► TXNBytelimit number ►◄ParametersnumberSpecifies the number of kilobytes the client program sends to the server beforecommitting the transaction. The range of values is 300 through 34359738368 (32GB). The default is 25600 KB. The number can be specified as an integer or asan integer with one of the following unit qualifiers:K or k (kilobytes)M or m (megabytes)G or g (gigabytes)If no unit qualifier is specified, the integer is in kilobytes.Restriction: The txnbytelimit option does not support decimal numbers, <strong>and</strong>only one-unit letters are allowed. For example: K, M, or G.ExamplesOptions file:txnb 25600txnb 2097152txnb 2097152ktxnb 2048mtxnb 2gtxnb 32GComm<strong>and</strong> line:-txnb=25600Chapter 12. Processing options 499

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