Greedy Balance Alg (Load Balancing): What is k in the ##min_k T_k ## term

In summary, the term ##min_k## ##T_k## in the algorithm represents the minimum load on any machine. However, it is unclear what value is assigned to the variable 'k' which is used as an index for the lowest T_k value in the algorithm. The lecture also mentions the k selection in relation to this term.
  • #1
zak100
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TL;DR Summary
Hi,
I am having trouble in understanding Greedy balance algorithm in the context of Load Balancing
I am trying to understand the term ##min_k## ##T_k ## in the following algorithm. At other place they said that it represents min load on any machine but I can’t understand the usage of variable ‘k’ which is not assigned any value.

what is min_k T_k in Greedy Balance alg.jpg
Some body please guide me ,what value is assigned to k in the term ##min_k## ##T_k##?

Zulfi.
 
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  • #2
This lecture mentions the same pseudo code above but adds a line describing the k selection.

https://www.win.tue.nl/~mdberg/Onderwijs/AdvAlg_Material/Course%20Notes/lecture5.pdf

It looks like k is the index to the machine with the lowest T
 

1. What is the purpose of the "k" variable in the ##min_k T_k## term?

The "k" variable in the ##min_k T_k## term represents the number of servers or resources that are being balanced. It is used to determine the minimum load on each server, with the goal of distributing the workload evenly among all available resources.

2. How is the value of "k" determined in the Greedy Balance Alg?

The value of "k" in the Greedy Balance Alg is typically determined based on the total number of resources available and the desired level of load balancing. For example, if there are 10 servers and the goal is to evenly distribute the workload among them, "k" would be set to 10. However, this value can also be adjusted based on the specific needs of the system.

3. What happens if the value of "k" is too low in the Greedy Balance Alg?

If the value of "k" is too low in the Greedy Balance Alg, it may result in an imbalance of the workload among the servers. This can lead to some servers becoming overloaded while others are underutilized. It is important to carefully consider the value of "k" to ensure an optimal balance of resources.

4. Can the value of "k" change during the execution of the Greedy Balance Alg?

Yes, the value of "k" can change during the execution of the Greedy Balance Alg. This can occur if the number of available resources changes or if there are changes in the workload distribution among the servers. In such cases, the algorithm may need to be reevaluated and "k" may need to be adjusted accordingly.

5. Is the value of "k" the only factor that affects the load balancing in Greedy Balance Alg?

No, the value of "k" is not the only factor that affects load balancing in Greedy Balance Alg. Other factors such as the workload distribution, server capacity, and network conditions can also impact the effectiveness of the algorithm. It is important to consider all of these factors in order to achieve optimal load balancing.

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