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Basic ideas to solve Spark OOM: Count all the high frequence words in a big table #48

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guotong1988 opened this issue Mar 19, 2021 · 0 comments
Open

Basic ideas to solve Spark OOM: Count all the high frequence words in a big table #48

guotong1988 opened this issue Mar 19, 2021 · 0 comments

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@guotong1988
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guotong1988 commented Mar 19, 2021 •
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The detail question is:

I want to count all the high frequence words in a big table.

I split each sentence of each row, then flatmap to one word per row, then groupby, then count the word number in each group.

It will OOM.
@guotong1988 guotong1988 changed the title Basic ideas to solve Spark OOM? Basic ideas to solve Spark OOM: Count all the high frequence words in a big table Mar 19, 2021
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