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Questions tagged [couchbase]

Couchbase Server, originally known as Membase, is an open source, distributed (shared-nothing architecture) NoSQL document-oriented database that is optimized for interactive applications.

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What are the disadvantages of using Couchbase's Global Secondary Indexes (GSI)?

Couchbase's documentation on GSI states that Global Secondary Index is a powerful solution for secondary lookup queries that are required for interactive applications that require low latencies. The ...
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Couchbase backup and restote through copy data files

I was exploring couchbase backup and restoring procedures then we found standard procedures. But, if I can take data directory backup in the form of .tar and untar data directory whenever restore ...
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Metadata overhead warnings in couchbase web

I have 3 node couchbase cluster which is working fine but now days I am getting many alerts as "Metadata overhead warning. Over 54% RAM allocated to bucket" on couchabse web UI. Please help to supress ...
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Any correct procedure for couchbase backup and restore?

I have just started using couchbase server and trying to configure backup and restore method. We require to take backup for each couchbase node or cluster backup also available ?
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Couchbase 4.5.1: What is beam.smp and why it is consuming too much memory

We are having a single node Couchbase [4.5.1-2844 Community Edition (build-2844)]. For some reason, we are seeing high memory usage on the server. When we log into the server and view the stats we ...
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incremental update in HBase using sqoop

i am working on a POC where i need to implement same like SSIS for sql to hadoop. out DW are in SQL Server and we want to create a HBase at central location where all the data from diff DW will be ...
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How to configure/setup data at rest encryption in Couchbase 5.1 [closed]

I am evaluating best database solution for a sizeable application. My basic requirements include: Data should be encrypted at disk level Mobile support Scalable Enterprise support I realized ...
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393 views

Couchbase - get all changed today

I have a couchbase bucket, in it I have an Integer data with a key. I am incrementing it, using the API "increment" so I cannot put a JSON there with the date of the last updated. The question is, ...
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Couchbase backup validation

Need help regarding backup validations for couchbase, what is the best way / easiest way to validate couchbase backups. we have recently moved to couchbase and totally new to couchbase, having some ...
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How do read queries against Postgres's JSONB type compare to Couchbase?

I'm working on a small project which would involve running queries against deeply-nested (up to 5 layers) keys in dictionaries. This would be specifically a read-heavy environment, with only one large ...
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232 views

Importing CouchBase dump to BigQuery

After creating a CouchBase dump and copying it to a Google Storage bucket I tried importing the data to BigQuery. I failed miserably, apparently the design.json or the files that appear in the same ...
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Couchbase - Get document creation date

Is there a way we can get a document's creation date in Couchbase (2.2.0). We are currently not storing creation date in our documents, so wanted to know if couch stores that as part of document ...
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The Logical Type of The Document in CouchBase

How should the logical type of a document get specified in CouchBase? Using a field for the type? Or employing separators in keys like product::app::123id? Currently I'm putting a document type, ...
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725 views

When is the time that Couchbase write documents to disk?

As the title said, when is the time that Couchbase write documents to disk? every 60 seconds? every 1 seconds? every 100 ms? or everytime there are read command to that document?
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Does Couchbase/CouchDB allow me to move / skip the CRUD middle man from the server?

So currently this is a common setup: Client -> Ajax -> Server CRUD -> Database Does Couchbase allow me to do this? Client -> Ajax -> Database This might be more technically correct: Client -...
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260 views

what shortcomings does couchbase have, compared to mongodb? [closed]

I see a massive gap of popularity between MongoDB and Couchbase. What features\advantages does mongo have over couchbase? I'm deploying DB instances in a cluster, between datacenters, where all ...
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couchbase - multiple buckets or documents with different types

Background Information This is day one for me with couchbase. I've been reviewing the sample databases using the database console that comes with couchbase. Specifically, I've been playing with the ...
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Data Validation before entry into Couchbase server?

Is it possible to validate the data before it is entered into couchbase? I did not find any documentation confirming this. But I believe there must be some way to do it.
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Couchbase GUI for exploring data

Is there GUI for Couchbase to explore data (especially views), similar to PGAdmin 3 or MySQL Workbench or RoboMongo EDIT: ah, I found the button mentioned by this link
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A good dataset to experiment NoSQL databases [closed]

I need to do some experiments in HBase and Cassandra and to do that I need an adequate dataset. The dataset I'm looking for has to be large enough (i.e. more than 2GB) and the data in it has to be ...
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Couchbase Ghost entry - Have it in view, not in data itself

I have a 4 server setup. In them I have a view like this: function (doc, meta) { if(meta.type == "json") { if(doc.type && doc.type == "saveDocument") { emit(meta.id, ...
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Couchbase data modeling

I come from the Relational DB world (SQL), and I'm getting started with NoSQL. So please consider that when answering. I have two Buckets: Apps and Users. A user may be subscribed to N applications,...
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Create Views Quickstart

I have setup a few buckets and now I’d like to create a view but I’m not sure where to start. I have logged in to the web console but the views I have created to not return any results. Also, is it ...
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How does a memcached bucket behave when fully loaded?

What is the default ttl of a key in memcached bucket? Also, what happens when a bucket is full? I created a 256MB RAM Bucket and tried to overload it by sending infinite set queries till error is ...
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Can a Couchbase application work with no network connection (like CouchDB)?

I'm building an application where users running android tablets will have to be able to write to a database (running on their local device) with NO network connection and sync using peer-to-peer ...
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How can I reduce recursion in Couchbase?

Sometimes, you need to access a certain document (A), but you do not know the key for that document (A), as that data is stored in a different document (B). So now, if you want to fetch A, it looks ...
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NoSQL, CouchDB vs. CouchBase, What should i do? [closed]

I started to encounter some issues on my production site, when having a web page that needs to load a very big ResultSet (currently coming from relational database, MySQL) it takes forever, and ...