Consider six transactions T 1 , T 2 , T 3 , T 4 , and T 5 with:
- T 1 initiated at site S 1 and spawning an agent at site S 2 ,
- T 2 initiated at site S 3 and spawning an agent at site S 1 ,
- T 3 initiated at site S 1 and spawning an agent at site S 3 ,
- T 4 initiated at site S 2 and spawning an agent at site S 3 ,
- T 5 initiated at site S 3 .
The locking information for these transactions is shown in Table 1. Produce the local wait-for-graphs (WFGs) for each of the sites. What can you conclude from the local WFGs?

Question

Quizplus · Accepted Answer

The Answer is

Conclusion: There is no local deadlock at any site.

Consider Six Transactions T1, T2, T3, T4, and T5 With

Consider Six Transactions T₁, T₂, T₃, T₄, and T₅ With