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Status Submitted
Workspace StreamSets
Created by Guest
Created on Dec 12, 2024

Provide an option for Deferred merge method in Snowflake destination

https://quickstarts.snowflake.com/guide/connectors_example_push_based_java/img/e5a0394034661f7.pdf

Deferred merge is a pattern whereby you maintain a temporary or hot data table (1) with changed or new records for an interval of time. When that time is up, you merge the temporary table into the main or cold data table (2) in one batch to ensure maintenance of micro-partitions. The hot data table is truncated at the time of merging into the cold data table. A view (3) can be written to provide a single interface to access all data. Deferred merge can be a good option when you need to load data very often. Writing data frequently to a single table will mean the creation of lots of smaller inefficient micro-partitions. Deferred merge works by writing new data into a temporary table until there are enough rows to create larger micro-partition in the main table. This ensures the main table maintains an efficient micro-partition profile.

Needed By Quarter