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From Siddharth Verma <>
Subject Performance impact on schema
Date Thu, 30 Jun 2016 07:53:32 GMT
We have a schema where a table has 90 columns.
We have read request patterns where say
api 1 reads column 1-20
api 2 reads column 20-40
api 3 reads column 40-60
api 4 reads column 60-90

And say, we have a write access pattern on the same corresponding group of

Do the write pattern (overlapping/ non overlapping group of columns) affect
read performance?

For better performance, should we split the table into 4 sub tables, where
each table is used to serve respective read api?

Thanks and Regards,
Siddharth Verma

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