Lec23 Deadlock Avoidance: Banker's Algorithm with example | Operating System

Learn how to apply the bankers algorithm for deadlock avoidance in operating systems. Find Need matrix and safe sequence.
CORRECTION: Need(i)= Max(i) - Allocation(i)
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[@ankbala]

Thank you Jayanthi. At 7th minute: Need = Max -Allocation, please correct. Thanks

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[@sujandhali2747]

Correction: Need[i] = Max[i] - Allocation[i] Time(6:37)

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[@praveen7726]

6:41 [NOTE] Here the need matrix should be Max - Allocation not the other way around as written in the board.

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need=max-allocation

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[@thanioruvan4556]

Need = Max(i) - Alloc(i) , right?... Mam, you have said it rightly, but written in the board went wrong. (just commented for avoiding mistake for those who writes notes based on this video, the explanation is very good.)

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7:05 formula for need matrix max - allocation

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[@cameracoverage3837]

I have a doubt
You have calculated the amount of (Allocation) resources while the process after execution will release the amount of MAX resources.
Example: you have 2 pen and you need 3 more so after shopping these pens if you don’t want any pen and you wanna release all these pens to someone else so in this case how many pens you will give to that person 2 or 5 ?????
That is why I think you should calculate Available column with Max column.
Wait for feedback !

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