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https://issues.apache.org/jira/browse/MAPREDUCE-1953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12890571#action_12890571
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Amar Kamat commented on MAPREDUCE-1953:
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One improvement would be to assume a default value of {{-input-cycle}}. Is this
doable?
> [Rumen] Fail early if -input-cycle in not specified in Folder
> -------------------------------------------------------------
>
> Key: MAPREDUCE-1953
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1953
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tools/rumen
> Reporter: Amar Kamat
> Fix For: 0.22.0
>
>
> The Folder code does the following
> {code}
> inputCycle = // extract the value of -input-cycle from args
> ..
> // other inits and FileSystem operations
> ..
> if (inputCycle <= 0) {
> LOG.error("You must have an input cycle length.");
> return NO_INPUT_CYCLE_LENGTH;
> }
> if (outputDuration <= 0) {
> outputDuration = 60L * 60L * TICKS_PER_SECOND;
> }
> if (inputCycle <= 0) {
> inputCycle = outputDuration;
> }
> {code}
> There is no point in doing other initializations if _-input-cycle_ is not
> provided
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