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Partitioning tables in Vertica ?.

Hello,

I need to partition one of our tables. The table currently has approximately few millions of rows and is expected to grow fast. The main reason for partitioning is to improve the query performance. Almost all the queries on this table use below 2 fields, 1. Primary key field - MessageId 2. Timestamp field - Messagetimestamp I have worked with other databases and have created time based partitions. I need some inputs from experts on this forum. a. Can I use primary key field for partitioning tables in Vertica? b. Should I use some kind of a function (Mod) on the MessageId to reduce the number of partition keys. I have read about too many partitions causing ROS container issues?
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thanks
jackyjoy

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