I think the following could be the disadvantages of concurrency control:
1: resource consumption
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concurrency control algorithm
One may learn about Java concurrency in the book 'Java concurrency in practice' which can be purchased from various online retailers. Additionally, Java concurrency is often discussed in various formal training classes.
The advantages are that it helps control the water's level easily and safely. The disadvantages are that it is difficult to install and can be quite expensive as well.
TIMESTAMP PROTOCOL. The protocol manages concurrent execution such that the timestamps determine the serializability order. Timestamp protocol ensures freedom from deadlock as no transaction ever waits.
There are almost as many disadvantages of a stock control system as there are advantages. The disadvantages of a stock control system are: expense, staff training is needed, incoming stock updates can be forgotten, equipment breakdown, and breakages and theft must be accounted for to keep stock levels accurate.