Informix iDataAgent

Updated

You can optimize the performance for Informix Agent.

Adjusting Buffer Size

You can modify the buffer size settings using the BAR_XFER_BUF_SIZE parameter in the $ONCONFIF file on the database server. For best performance of data movement operations set the value to 30.

Configuring On-Bar Parameters

You can also configure the following parameters on the Informix database server:

Parameter

Description

BAR_IDLE_TIMEOUT

This parameter specifies the maximum number of minutes that an ON-Bar worker process is idle before it is shut down.

BAR_MAX_BACKUP

This parameter specifies the maximum number of backup processes per ON–Bar command. You can control parallel execution of ON–Bar processes using this configuration parameter.

BAR_NB_XPORT_COUNT

This parameter specifies the number of shared-memory data buffers for each backup or restore process.

BAR_PROGRESS_FREQ

This parameter specifies how frequently the backup or restore progress messages display in the activity log.

LTAPEBLK

This parameter specifies the block size for logical-log backups made with ontape, onload, onunload.

LTAPEDEV

This parameter specifies the tape device used for logical-log backups made with ontape.

TAPESIZE

dThis parameter specifies tape size for logical-log backups made with ontape.