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Questions tagged [rethinkdb]

RethinkDB is a scalable, open-source, distributed database system built to store JSON documents. It features a query language that has useful queries like table joins and group by, a highly parallelized architecture, and web tools for managing clusters.

RethinkDB is a scalable, open-source, distributed database system built to store JSON documents. It features a query language that has useful queries like table joins and group by, a highly parallelized architecture, and web tools for managing clusters.

Programming model:

  • JSON data model and immediate consistency
  • Distributed joins, subqueries, aggregation, atomic updates
  • Hadoop-style map/reduce
  • Secondary, compound, and arbitrarily computed indexes.

Administration:

  • Web and command-line adminstration tools
  • Tools to handle machine failure and network interrupts
  • Multi-datacenter replication and failover

Scalability:

  • Sharding and replication to multiple nodes
  • Automatically parallelized and distributed queries
  • Lock-free operation via MVCC concurrency

Useful Links:

Books:

1436 questions
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How to add Username and Password to Rethinkdb connection?

How to add username and password to rethinkdb connection? In my network there are 100 plus machines. Out which only 2 machines are under my control. Out of 2, one is virtual machine and one is physical machine. If i run rethinkdb on virtual machine…
ekanna
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How to gracefully stop a rethinkdb server running in the background in linux?

How to stop a rethinkdb server in linux? Is there a command to gracefully shut down a rehinkdb instance? I haven't found anything about in the docs. So if I start a rethinkdb instance in foreground from the commandline, rethinkdb handles the SIGINT…
nerva13
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What is the maximum number of connections?

Since the native RethinkDB drivers do not support connection pooling yet, I was wondering, what is the maximum number of connections to the RethinkDB server?
Amberlamps
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How do I removed a particular item from a embedded array in RethinkDB?

given sample data like: { 'id': 1, 'things': [{'name': 'a'},{'name': 'b'},{'name': 'c'}] } how do I update the document removing the array item with name of 'b' from the embedded array? r.table('test') .get(1) .update({things:…
Samuel Goldenbaum
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Rethinkdb - Get first item of an array

My data structure { "group": "fruits" "items": ["apple", "orange", "banana"] } I need to pull first item from the "items" array without knowing the value. Is it possible?
Dipen Bhikadya
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How to query a multi index in RethinkDB over an array of objects

I'm working with a data set that looks something like this: "bitrates": [ { "format": "mp3" , "rate": "128K" } , { "format": "aac" , "rate": "192K" } ] , "details": [ ... ] , "id": 1 , "name": "For Those About To Rock We…
user1151
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RethinkDB losing data after restarting server

I save my data on RethinkDB Database. As long as I dont restart the server, all is well. But when I restart, it gives me an error saying database doesnt exist, although the folder and data does exist in folder rethinkdb_data. What is the problem ?
Prateek Narendra
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Why Rethinkdb don't have binary for windows?

I am interested in Rethinkdb and would like to develop/test on it, but main problem is: it don't have package for windows operating system. I tried to compile from source code, that was also not possible as there was no any instruction. What makes…
user2737980
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RethinkDB: removing item from array in one table by value from another table

I use RethinkDB in my project and have the following table structure: data_item { id: "generated_thing", slug: "slug" } aggregation_of_data_items { items: ["some", "ids", "from", "data_item", "table"] } When I delete item from content…
La Faulx
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rethinkdb | nested vs chained queries, any difference?

is there any difference between chained: r.db('catbox').table("bw_mobile").filter( r.row("value")("appVersion")("major").le(2) ).filter( r.row("value")("appVersion")("minor").le(2) ).filter( …
lito
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Find record through HorizonIO in RethinkDB not returning result

I've got a MeetingService that fetches data from my RethinkDB through HorizonIO. When trying to fetch a meeting through its ID, I'll always get a null value as response. Other methods in this service work without…
DGK
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Compound primary key in RethinkDB

Can I create compound primary key in RethinkDB ? For example if I have table with next documents strucure {authorsId: '371df80c-2efd-48f9-ac37-3edcdb152fb1', postsId: '905e0c92-adcb-4095-98df-fa08ca71b900'} how can I create primary key on both…
abilash
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How can i find out size of RethinkDB table?

I can't figure out how to get the data size of 'test.events' table. r.db('rethinkdb').table('stats').whatGoesHere() // Output size of 'events' table Related: Get size of Rethinkdb database with Python
AJcodez
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How can I modify array fields in place?

Let's say I have this object: { "id": "1a48c847-4fee-4968-8cfd-5f8369c01f64" , "sections": [ { "id": 0 , "title": "s1" } , { "id": 1 , "title": "s2" } , { "id": 2 , …
PeiSong
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Cross compiling rethinkdb for Raspberry Pi

Currently running Ubuntu 14.04 x86_64. I want to cross compile rethinkdb for my RPi for experimental purposes, which is supported in 1.12 (and people have apparently successfully compiled). I have installed the toolchain: sudo apt-get install…
jvc26
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