Developing with Couchbase Server by MC Brown

Author:MC Brown
Language: eng
Format: epub, pdf
Tags: COMPUTERS / Data Modeling & Design
ISBN: 9781449331115
Publisher: O’Reilly Media
Published: 2013-01-31T16:00:00+00:00

One area to be careful of is how you split up and define the document and data. We look at that in more detail in Chapter 3.

Time to Live (TTL)

As we saw in the opening example, you can store documents with an expiry time. All values stored within Couchbase Server have an optional expiry, or Time to Live (TTL) value. The expiry is designed for use on data that has a natural lifespan. For example, session data, or shopping baskets. The expiry time is configured using a simple numerical value and the value is interpreted differently according to its size:

Any value smaller than 30 days (i.e., 30 * 24 * 60 * 60) is taken as a relative value in seconds. For example, storing a document with an expiry of 600 will expire the document in 10 minutes.

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