CouchDB vs Hadoop

CouchDB
CouchDB

275
136
72
Hadoop
Hadoop

924
48
3.5K
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CouchDB vs Hadoop: What are the differences?

Developers describe CouchDB as "HTTP + JSON document database with Map Reduce views and peer-based replication". Apache CouchDB is a database that uses JSON for documents, JavaScript for MapReduce indexes, and regular HTTP for its API. CouchDB is a database that completely embraces the web. Store your data with JSON documents. Access your documents and query your indexes with your web browser, via HTTP. Index, combine, and transform your documents with JavaScript. On the other hand, Hadoop is detailed as "Open-source software for reliable, scalable, distributed computing". The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage.

CouchDB and Hadoop can be categorized as "Databases" tools.

"JSON" is the primary reason why developers consider CouchDB over the competitors, whereas "Great ecosystem" was stated as the key factor in picking Hadoop.

CouchDB and Hadoop are both open source tools. Hadoop with 9.18K GitHub stars and 5.74K forks on GitHub appears to be more popular than CouchDB with 4.22K GitHub stars and 833 GitHub forks.

Slack, Shopify, and SendGrid are some of the popular companies that use Hadoop, whereas CouchDB is used by BrightMachine, Third Iron, and SocialDecode. Hadoop has a broader approval, being mentioned in 237 company stacks & 116 developers stacks; compared to CouchDB, which is listed in 60 company stacks and 30 developer stacks.

What is CouchDB?

Apache CouchDB is a database that uses JSON for documents, JavaScript for MapReduce indexes, and regular HTTP for its API. CouchDB is a database that completely embraces the web. Store your data with JSON documents. Access your documents and query your indexes with your web browser, via HTTP. Index, combine, and transform your documents with JavaScript.

What is Hadoop?

The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage.

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      What are some alternatives to CouchDB and Hadoop?
      MongoDB
      MongoDB stores data in JSON-like documents that can vary in structure, offering a dynamic, flexible schema. MongoDB was also designed for high availability and scalability, with built-in replication and auto-sharding.
      Couchbase
      Developed as an alternative to traditionally inflexible SQL databases, the Couchbase NoSQL database is built on an open source foundation and architected to help developers solve real-world problems and meet high scalability demands.
      Cloudant
      Cloudant’s distributed database as a service (DBaaS) allows developers of fast-growing web and mobile apps to focus on building and improving their products, instead of worrying about scaling and managing databases on their own.
      MariaDB
      Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry. MariaDB is designed as a drop-in replacement of MySQL(R) with more features, new storage engines, fewer bugs, and better performance.
      RethinkDB
      RethinkDB is built to store JSON documents, and scale to multiple machines with very little effort. It has a pleasant query language that supports really useful queries like table joins and group by, and is easy to setup and learn.
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      What tools integrate with CouchDB?
      What tools integrate with Hadoop?
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          How developers use CouchDB and Hadoop
          Avatar of Pinterest
          Pinterest uses HadoopHadoop

          The MapReduce workflow starts to process experiment data nightly when data of the previous day is copied over from Kafka. At this time, all the raw log requests are transformed into meaningful experiment results and in-depth analysis. To populate experiment data for the dashboard, we have around 50 jobs running to do all the calculations and transforms of data.

          Avatar of King's Digital Lab
          King's Digital Lab uses CouchDBCouchDB

          Document (JSON) DB.

          • - queries must be pre-defined as views (not as flexible as query formulation on the fly)
          • - community and ecosystem not as large as mongodb
          • + PouchDB is an excellent JS library to interact with CouchDB or even work in offline-then-sync moce
          Avatar of Yelp
          Yelp uses HadoopHadoop

          in 2009 we open sourced mrjob, which allows any engineer to write a MapReduce job without contending for resources. We’re only limited by the amount of machines in an Amazon data center (which is an issue we’ve rarely encountered).

          Avatar of Smileupps
          Smileupps uses CouchDBCouchDB

          By being built on, of, in and around CouchDB, Smileupps offers to its customers secure and reliable CouchDB hosting and a CouchDB-based app store to build and sell serious business-enabled web applications

          Avatar of Pinterest
          Pinterest uses HadoopHadoop

          The massive volume of discovery data that powers Pinterest and enables people to save Pins, create boards and follow other users, is generated through daily Hadoop jobs...

          Avatar of Robert Brown
          Robert Brown uses HadoopHadoop

          Importing/Exporting data, interpreting results. Possible integration with SAS

          Avatar of Rohith Nandakumar
          Rohith Nandakumar uses HadoopHadoop

          TBD. Good to have I think. Analytics on loads of data, recommendations?

          Avatar of Giant Swarm
          Giant Swarm uses CouchDBCouchDB

          We use CouchDB in an internal analysis tool for usage data.

          Avatar of Mathias Vonende
          Mathias Vonende uses CouchDBCouchDB

          Storage for unstructured, linked and timeseries data.

          Avatar of Aaron Buchanan
          Aaron Buchanan uses CouchDBCouchDB

          json store + geo + _changes

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