136 lines
3.0 KiB
Plaintext
136 lines
3.0 KiB
Plaintext
Test Case 1 (Handout example)
|
|
|
|
Log:
|
|
W:0,T1,1,1,5,-1
|
|
R:1,T1,2,2,0
|
|
W:2,T1,2,2,3,1
|
|
R:3,T1,1,5,2
|
|
C:4,T1,3
|
|
R:5,T2,1,5,-1
|
|
W:6,T2,1,5,2,5
|
|
C:7,T2,6
|
|
|
|
Test Case 2 (Three transactions)
|
|
|
|
Log:
|
|
R:0,T1,6,6,-1
|
|
R:1,T2,4,4,-1
|
|
R:2,T3,9,9,-1
|
|
W:3,T1,7,7,2,0
|
|
W:4,T2,2,2,4,1
|
|
R:5,T3,6,6,2
|
|
W:6,T1,5,5,8,3
|
|
W:7,T3,1,1,9,5
|
|
C:8,T3,7
|
|
W:9,T1,6,6,2,6
|
|
C:10,T1,9
|
|
R:11,T2,5,8,4
|
|
W:12,T2,7,2,3,11
|
|
C:13,T2,12
|
|
|
|
Test Case 3 (Deadlocks)
|
|
|
|
Log:
|
|
W:0,T1,4,4,1,-1
|
|
W:1,T2,5,5,2,-1
|
|
W:2,T3,6,6,3,-1
|
|
R:3,T1,1,1,0
|
|
R:4,T2,1,1,1
|
|
R:5,T3,2,2,2
|
|
R:6,T2,2,2,4
|
|
A:7,T3,5
|
|
W:8,T2,2,2,3,6
|
|
C:9,T2,8
|
|
W:10,T1,1,1,2,3
|
|
C:11,T1,10
|
|
|
|
Test Case 4 (No Conflicts)
|
|
|
|
Log:
|
|
R:0,T1,1,1,-1
|
|
R:1,T2,1,1,-1
|
|
R:2,T1,2,2,0
|
|
R:3,T2,2,2,1
|
|
R:4,T1,3,3,2
|
|
R:5,T2,3,3,3
|
|
W:6,T1,4,4,1,4
|
|
W:7,T2,5,5,2,5
|
|
C:8,T1,6
|
|
C:9,T2,7
|
|
|
|
Test Case 5: Multiple Deadlocks OR if deadlock detection finds T1 & T2 deadlock first:
|
|
|
|
Log: Log:
|
|
R:0,T1,1,1,-1 R:0,T1,1,1,-1
|
|
R:1,T2,2,2,-1 R:1,T2,2,2,-1
|
|
R:2,T3,1,1,-1 R:2,T3,1,1,-1
|
|
R:3,T2,3,3,1 R:3,T2,3,3,1
|
|
A:4,T3,2 A:4,T2,3
|
|
A:5,T2,3 W:5,T3,3,3,4,2
|
|
W:6,T1,2,2,1,0 W:6,T1,2,2,1,0
|
|
C:7,T1,6 C:7,T3,5
|
|
C:8,T1,6
|
|
|
|
Test Case 6: Larger deadlock cycle
|
|
|
|
Log:
|
|
R:0,T1,1,1,-1
|
|
R:1,T2,2,2,-1
|
|
R:2,T3,3,3,-1
|
|
R:3,T4,4,4,-1
|
|
A:4,T4,3
|
|
W:5,T3,4,4,3,2
|
|
C:6,T3,5
|
|
W:7,T2,3,3,2,1
|
|
C:8,T2,7
|
|
W:9,T1,2,2,1,0
|
|
C:10,T1,9
|
|
|
|
Test Case 7: Small deadlock cycle
|
|
|
|
Log:
|
|
W:0,T1,1,1,2,-1
|
|
W:1,T2,2,2,5,-1
|
|
A:2,T2,1
|
|
R:3,T1,2,2,0
|
|
C:4,T1,3
|
|
|
|
Test Case 8: Three transaction with deadlock cycle
|
|
|
|
Log:
|
|
R:0,T1,6,6,-1
|
|
R:1,T2,4,4,-1
|
|
R:2,T3,9,9,-1
|
|
W:3,T1,7,7,2,0
|
|
W:4,T2,2,2,4,1
|
|
R:5,T3,6,6,2
|
|
R:6,T2,5,5,4
|
|
W:7,T3,1,1,9,5
|
|
A:8,T2,6
|
|
C:9,T3,7
|
|
W:10,T1,2,2,8,3
|
|
W:11,T1,6,6,2,10
|
|
C:12,T1,11
|
|
|
|
Test Case 9: Small transactions without deadlock cycle
|
|
|
|
Log:
|
|
W:0,T1,1,1,2,-1
|
|
W:1,T2,3,3,5,-1
|
|
R:2,T1,2,2,0
|
|
R:3,T2,4,4,1
|
|
C:4,T1,2
|
|
C:5,T2,3
|
|
|
|
Test Case 10: Handout example with Deadlock
|
|
|
|
Log:
|
|
W:0,T1,1,1,5,-1
|
|
R:1,T2,2,2,-1
|
|
R:2,T1,2,2,0
|
|
A:3,T2,1
|
|
W:4,T1,2,2,3,2
|
|
R:5,T1,1,5,4
|
|
C:6,T1,5
|
|
|