Tag: Índice
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Primary Uses for Couchbase Primary Index
A couple of frequently asked questions on N1QL for query service: Read on… Couchbase is a distributed database. It supports flexible data model using JSON. Each document in a bucket will have a user-generated…
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Divide and Conquer: Couchbase GSI Index partitioning.
In Couchbase, data is always partitioned using the consistent hash value of the document key into vbukets which are stored on the data nodes. Couchbase Global Secondary Index (GSI) abstracts the indexing operations and…
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Understanding Index Grouping And Aggregation in Couchbase N1QL Query
Couchbase N1QL is a modern query processing engine designed to provide aggregate SQL for JSON by index on distributed data with a flexible data model. Modern databases are deployed on massive clusters. Using JSON…
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Novos Recursos no Serviço de Índice no Couchbase Server 5.5
Na última versão principal, o Couchbase Server 5.0, introduzimos o Plasma – Novo Mecanismo de Armazenamento e também o suporte a Réplicas de Índice no Serviço de Índice. Continuamos a aprimorar esses novos recursos…
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Como fazer a transição de Índices Equivalentes para Réplicas de Índice?
No post anterior, vimos os benefícios de usar réplicas de índice em vez de índices equivalentes. Digamos que você esteja no Couchbase Server 4.x e tenha os 3 índices equivalentes a seguir distribuídos em 3 nós;…
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Feature Enhancements to N1QL in the Couchbase Server 5.0 March Developer Build
With the recent March 2017 Developer build of Couchbase there were many bug fixes, but also feature enhancements to core technologies like N1QL. For example, now indexes can be created on various meta information…
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Indexes for N1QL: or how I got an order magnitude speed increase
Indexes for N1QL: or how I got an order magnitude speed increase In Couchbase 4.0 we introduced N1QL query language: a flexible query language that brings SQL-like query to JSON documents. Whenever we talk…