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MapReduce >> mail # user >> mapreduce.job.end-notification settings

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mapreduce.job.end-notification settings
I was looking at:


And I noticed that there are some duplicate properties with different values and different descriptions:

mapreduce.job.end-notification.retry.attempts 0 Indicates how many times hadoop should attempt to contact the notification URL
mapreduce.job.end-notification.retry.interval 30000 Indicates time in milliseconds between notification URL retry calls
mapreduce.job.end-notification.retry.attempts 5 The number of times the submitter of the job wants to retry job end notification if it fails. This is capped by mapreduce.job.end-notification.max.attempts
mapreduce.job.end-notification.retry.interval 1 The number of seconds the submitter of the job wants to wait before job end notification is retried if it fails. This is capped by mapreduce.job.end-notification.max.retry.interval

Any idea which values and descriptions are correct?