File Type

Original file size (MB)

Compressed file

size (MB)

Compressed ratio (%)

Insert new

compressed file (%)

No update (%)

Insert new sub-file (%)

Update sub-file (%)

Delete sub-file (%)

1) Text

22.866

0.368

62.14

46.728

95.541

85.098

87.335

88.984

2) Text

91.464

1.471

62.18

66.453

99.689

89.998

89.424

89.132

3) Text

548.789

8.824

62.19

61.953

99.908

90.456

89.925

89.922

Average

62.17

58.378

98.379

88.518

88.895

89.346

4) Image

6.453

5.969

1.08

96.582

99.885

98.222

98.367

98.450

5) Image

12.757

11.793

1.08

96.697

99.924

97.704

98.677

98.662

6) Image

16.856

15.623

1.08

96.450

99.932

98.437

98.240

98.597

Average

1.08

96.577

99.914

98.121

98.428

98.569

7) Audio

0.789

0.77

1.02

96.879

99.390

97.925

95.235

96.089

8) Audio

8.21

8.197

1.00

98.513

99.906

99.116

98.852

99.201

9) Audio

11.801

10.961

1.08

98.781

99.919

99.248

99.200

99.254

Average

1.03

98.058

99.739

98.763

97.762

98.181

10) Video

9.157

9.126

1.00

99.441

99.919

99.535

99.572

99.599

11) Video

11.272

11.243

1.00

99.303

99.923

99.537

99.487

99.568

12) Video

18.313

18.289

1.00

99.399

99.924

99.522

99.545

99.643

Average

1.00

99.381

99.922

99.531

99.535

99.603

13) Mixed

7.81

7.62

1.02

99.322

99.917

99.493

99.516

99.574

14) Mixed

15.421

7.981

1.93

98.496

99.907

99.307

99.051

99.330

15) Mixed

33.675

12.366

2.72

97.888

99.922

98.913

98.885

99.134

Average

1.89

98.569

99.916

99.237

99.150

99.346

rand Average

13.436

90.192

99.574

96.834

96.754

97.009