apache SOLR DB EXPERT - mysql - group by - large data
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We have a large table with 2 ID columns. (2 billion rows). I need a script to run and compare the 2 columns and group by to create a results table that would include:
ID1, ID2, COUNT.
The end results table could be 15 billion rows.
I need this urgent
Mysql and other DBs are not fast enough and we need some sort of search technology like SOLR to generate the results table very very fast.
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