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Re: Hadoop counter - MapReduce - [mail # user]
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...Thanks for the long discussion Mile. Learned a lot from you. regards, Lin On Tue, Oct 23, 2012 at 11:57 AM, Michael Segel wrote: ...
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Author: Lin Ma,
2012-10-23, 07:12
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Re: Hadoop counter - MapReduce - [mail # user]
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...Thanks for the help so much, Mike. I learned a lot from this discussion. So, the conclusion I learned from the discussion should be, since how/when JT merge counter in the middle of th...
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Author: Lin Ma,
2012-10-22, 08:00
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Re: Hadoop counter - MapReduce - [mail # user]
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...Thanks for the detailed reply, Mike. Yes, my most confusion is resolved by you. The last two questions (or comments) are used to confirm my understanding is correct, - is it normal use...
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Author: Lin Ma,
2012-10-21, 06:45
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Re: Hadoop counter - MapReduce - [mail # user]
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...Thanks for the detailed reply Mike, I learned a lot from the discussion. - I just want to confirm with you that, supposing in the same job, when a specific task completed (and counter ...
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Author: Lin Ma,
2012-10-20, 03:27
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Re: Hadoop counter - MapReduce - [mail # user]
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...Hi Mike, Sorry I am a bit lost... As you are thinking faster than me. :-P unique counter for each task until the tasks complete." -- it seems each task cannot see counters from e...
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Author: Lin Ma,
2012-10-19, 16:56
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Re: Hadoop counter - MapReduce - [mail # user]
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...Hi Harsh, Thanks for the brilliant reply. For your comments -- "Yes, they are ultimately stored at JT until the job is retired out of heap memory (in which case, they get stored ...
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Author: Lin Ma,
2012-10-19, 16:33
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Re: Hadoop counter - MapReduce - [mail # user]
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...Hi Mike, Thanks for the detailed reply. Two quick questions/comments, 1. For "task", you mean a specific mapper instance, or a specific reducer instance? 2. "However, I do not be...
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Author: Lin Ma,
2012-10-19, 16:27
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Re: Hadoop counter - MapReduce - [mail # user]
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...Hi Harsh, Thanks for the great reply. Two basic questions, - Where the counters' value are stored for successful job? On JT? - Supposing a specific job A completed successfully a...
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Author: Lin Ma,
2012-10-19, 16:09
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Hadoop counter - MapReduce - [mail # user]
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...Hi guys, I have some quick questions regarding to Hadoop counter, - Hadoop counter (customer defined) is global accessible (for both read and write) fo...
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Author: Lin Ma,
2012-10-19, 10:50
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