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Compression performance counters

Updated: February 1, 2011

Applies To: Forefront Threat Management Gateway (TMG)

The following table lists the performance counters for HTTP compression.

 

Performance counter Description

Compression - Current Compression Ratio

For HTTP responses compressed by Forefront TMG, the average size reduction of the HTTP response body as a percentage of the uncompressed body size during the sample period.

Compression - Current Ratio of Responses Compressed

The percentage of HTTP responses compressed by Forefront TMG out of the number of HTTP requests handled by Forefront TMG during the sample period.

Compression - Current Ratio of Responses Decompressed

The percentage of HTTP responses decompressed by Forefront TMG out of the number of HTTP requests handled by Forefront TMG during the sample period.

Compression - Ratio of Size Reduction

For HTTP responses compressed by Forefront TMG, the average size reduction of the HTTP response body as a percentage of the uncompressed body size.

Compression - Responses Compressed: Accumulated Ratio

The percentage of HTTP responses compressed by Forefront TMG out of the total number of HTTP requests handled by Forefront TMG.

Compression - Responses Decompressed: Accumulated Ratio

The percentage of HTTP responses decompressed by Forefront TMG out of the total number of HTTP requests handled by Forefront TMG.

Compression - Total Failures

The total number of failures to compress or decompress a response.

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