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https://issues.apache.org/jira/browse/TEZ-4106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17027822#comment-17027822
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Ahmed Hussein commented on TEZ-4106:
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Thanks [~jeagles] for the feedback.
{quote}Let's clean up the TezConfiguration names if possible. Does it make
sense to put them under a top level tez.am.speculation name? Right now there is
speculator, speculative, speculation, so it may not be possible to be match
perfectly with old configurations.
{quote}
Sure thing.
{quote}Also, TEZ-4119 has been filed to address the flaky tests in
TestSpeculation. Do we need to change the patch to account for this?
{quote}
I will address TEZ-4119 separately without changing the current patch.
> Add Exponential Smooth RuntimeEstimator to the speculator
> ---------------------------------------------------------
>
> Key: TEZ-4106
> URL: https://issues.apache.org/jira/browse/TEZ-4106
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Major
> Attachments: TEZ-4106.001.patch, TEZ-4106.002.patch,
> TEZ-4106.003.patch, TEZ-4106.004.patch
>
>
> Tez speculator implements start-end runtime estimator. Similar to
> [MAPREDUCE-7208|https://issues.apache.org/jira/browse/MAPREDUCE-7208], we
> need to implement an adaptive estimator based on smooth Exponential
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