September 2014
Intermediate to advanced
202 pages
4h 26m
English
Content preview from DynamoDB Applied Design PatternsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Best practices with secondary indexes
There are four rules to create the secondary index so that our table will function without any hiccups. These rules are as follows:
- Distributing the load by choosing the correct key
- Making use of the sparse index
- Using the global secondary index for quicker retrieval
- Creating a read replica
Distributing the load by choosing the correct key
In the case of a multipartition table, the data as well as the table's associated indexes will be distributed across servers. This distribution of indexes across servers is determined by the value of one of the attributes of the index. Yes, you're correct: it is decided by the hash key value. Unlike the hash key value (compounded with the range key) of a table, indexes keys can ...
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