CompressionLevel parameter specifies how strong the compression level should be. For example, compression level 6 takes much less time than, say, compression level 9 and usually gives virtually the same result, thus, it is usually more effective than 9.Description: Parameter type: Number Default value: 6 Possible values: 0, 1..9 where 9 is best but slowest compression level type.
<CompressionLevel>6</CompressionLevel>