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US09448839B2 Backoff job queue polling mechanism 有权
退货作业队列轮询机制

Backoff job queue polling mechanism
Abstract:
A backoff polling algorithm may use a minimum polling interval which represents an amount of time between repeated polls of a job step queue. When polled, the job step queue may indicate a number of job steps scheduled to execute currently. Additionally, the backoff polling algorithm may repeatedly poll the job step queue at the current polling interval and execute any job steps indicated until the step queue indicates that the number of job steps scheduled to execute currently is below a minimum threshold. While the indicated number of job steps is below the minimum threshold, the backoff polling algorithm may repeatedly increase the polling interval up to a predetermined maximum polling interval and poll at each increased interval until the indicated number of job steps is above the minimum threshold. The backoff polling algorithm may then decrease the polling interval to the minimum polling interval.
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