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Asked: 2026-06-11T12:41:14+00:00

MTOM is usually used to transfer image data over SOAP (attachments). The image is

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MTOM is usually used to transfer image data over SOAP (attachments). The image is mapped to a java.awt.Image (at least with CXF). Does the Image object consume a lot more memory than the actual image transferred? Let’s say a transferred JPEG is 10MB, how much more space will the Image object consume?

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  1. Editorial Team

    Does the Image object consume a lot more memory than the actual image transferred?

    Typically yes. The idea of most of the file formats is to compress image data.

    Let’s say a transferred JPEG is 10MB, how much more space will the Image object consume?

    The RAM size depends on W * H * ‘pixel depth’. E.G. RGBA in 256 shades is 4 bytes per pixel. JPEG does not support alpha transparency, so it would be 3 bytes per pixel.

    For some idea of the effectiveness of JPEG compression efficiency at different levels, see this answer:

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