The first chunk of an sbspace must have a metadata area. When you add smart large objects and chunks to the sbspace, the metadata area grows. In addition, the database server reserves 40 percent of the user area to be used in case the metadata area runs out of space.
It is important to size the metadata area for an sbspace correctly to ensure that the sbspace does not run out of metadata space. You can either:
For instructions on estimating the size of the sbspace and metadata area, see table performance considerations in the IBM Informix Dynamic Server Performance Guide. Also see Monitoring the Metadata and User-Data Areas.
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