APIM Content-Encoding GZIP level

Question

Hello,

I am configuring my APIM, adding the following entries in my policy

    <set-variable name="gzipresponse" value="@(context.Request.Headers.GetValueOrDefault("Accept-Encoding", "null").Contains("gzip"))" />

.....

    <outbound>
        <base />
        <choose>
            <when condition="@(context.Variables.GetValueOrDefault<bool>("gzipresponse"))">
                <set-header name="Content-Encoding" exists-action="override">
                    <value>gzip</value>
                </set-header>
            </when>
        </choose>

And I would like to ask two questions.

• When is BR compression expected to be available?
• How can I add the Gzip level to my policy? If my understanding is correct the default level is 3 and I'd like to increase it.

Thanks for your help,

Cheers,

Moisés.

Answer 1

Malvaro

#1 As of now, there isn't a specific ETA to support BR compression in APIM policy. I see similar feedback https://feedback.azure.com/d365community/idea/901e3826-0225-ec11-b6e6-000d3a4f0858 expressed by other customers as well and passed on your feedback internally with our product team for review.

#2 Currently, APIM utilizes CompressionLevel Optimal with GZipStream and it is not possible to change (or configure) compression level right now. I acknowledge this is a good feature to have and would like to understand more on the use case/scenario.

I hope this helps and let me know if any questions.

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