As documentation says, one of the restrictions is: TTL indexes are a single-field indexes. Mongodb can actually set the expiration time of data just like Redis1. Modified 2 years, 4 months ago. In that below case for nested object spring data mongodb creating multiple TTL index for Class (ClassA). But those does not work with " index" annotation on sub-class. MongoDB TTL does not work on atlas but works fine on localhost There are two ways to implement TTL indexes. Working with MongoDB TTL (Time-To-Live) Index - hassansin If collection is large, it will take a long time to create an index. Spring Data MongoDB how to set index ttl from system property. TTL Monitor is a separate thread that runs periodically (usually every minute) and scans a collection, that has a TTL index defined, for any expired documents and removes them in the background. collection.createIndex(Indexes.ascending("date"), new IndexOptions().expireAfter(1L, TimeUnit.MINUTES)); Ttl1.java You can use a TTL index for queries like a regular index. 6. This is done through the use of the the various index annotations that Spring Data provides for use with MongoDB, which include: @Indexed specifies a field that will be indexed by MongoDB. AbstractMongoSessionConverter F findById (String) - Method in class org.springframework.session.data.mongo. Working with MongoDB TTL Indexes from Java 44. Better purge data first, then create index on smaller collection, or create TTL index when creating the collection. MongoSession extractPrincipal (MongoSession) - Method in class org.springframework.session.data.mongo. The created index is not expected to work as the expireAfterSeconds is set to 0. Alternatively, if we use Spring Boot, we could set the spring.data.mongodb.auto-index-creation property to true. Mongodb can actually set the expiration time of data just like Redis1. 要更改默认语言，请将语言属性设置为您想要的任何 . The MongoTemplate follows the standard template pattern in Spring and provides a ready-to-go, basic API to the underlying persistence engine. For example, to create a TTL index on the Overview. TTL index is a special index in MongoDB, which can automatically delete documents after a certain time. You can use a TTL index for queries like a regular index. Update TTL Indexed Field expiry date later - MongoDB Spring Data MongoDB how to set index ttl from system property Spring Data mongodb hashed index. Expire Data from Collections by Setting TTL — MongoDB Manual