Concurrency erro when deleteing or updating multiple key field

parameter (the Execute on field in the Amazon EC2 console).

In earlier tutorials you learned how to update data.

The queueing system delivers the command to a single instance and waits until the initial invocation completes before sending the command to two more instances.

The system exponentially sends commands to more instances until the value of parameters (the Stop after __ errors field in the Amazon EC2 console).

The parameter specifies how many errors are allowed before the system stops sending the command to additional instances.

You can specify either an absolute number of errors, for example 10, or a percentage of the target set, for example 10%.

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