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Questions tagged [distributed-database]

Anything related to distributed databases and the techniques and the tools used to manage them. A distributed database is a database whose information is not stored in a single physical location, but it is spread over various devices, often placed far apart.

Anything related to distributed databases and the techniques and the tools used to manage them. A distributed database is a database whose information is not stored in a single physical location, but it is spread over various devices, often placed far apart.

188 questions
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Is it possible to model one-to-many mappings in Yugabyte YCQL?

For example, key | value -------------+------- primary_key1 | v1 primary_key1 | v2 Is the above allowed where the same key has multiple values? Or does one need to have an explicit clustering key? If I have a table with 2 columns, can the…
David Bruner
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Working of compactions work in YugaByte DB

What flavors of compaction (e.g., size-tier/level compactions) are supported? And what parameters control the behavior of compactions?
Diana Garcia
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Can cassandra nodes be highly portable?

The Environment: Nodes: 5 Replication: 5 Consistency: 1 The code: using System; using Cassandra; namespace CassandraSelectTest { class Program { static void Main(string[] args) { var…
oshirowanen
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Is there Javascript driver support for YCQL JSONB type in YugaByte DB?

We are trying to use JSONB of YugaByte’s YCQL (Cassandra) API. We were able to insert using the node’s Cassandra-driver but have not able to SELECT the JSONB column back. It looks like we are hitting the issue mentioned here:…
Edward Ribbery
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Does YugaByte DB’s YSQL API support array types

Does YugaByte’s SQL support array data type present in PostgreSQL (like https://www.postgresql.org/docs/9.1/arrays.html)?
Charlie O'Riely
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What is the correct way to export/import data using cassandra-loader/cassandra-unloader for YugaByte DB on a table with JSONB column(s)

I tried to use the steps described here https://docs.yugabyte.com/v1.1/manage/data-migration/cassandra/bulk-export/ wget https://github.com/YugaByte/cassandra-loader/releases/download/v0.0.27-yb-2/cassandra-loader wget…
Ricardo Adam
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Rebalancing rate when new node is added

When a new node is added, we see that it is starting to receive new tablets (in the http://:7000/tablet-servers page) and the system is rebalancing. But the default rate seems low. Are there any knobs to determine this rate?
Charlie O'Riely
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Database synchronization time in cassandra

I have two controllers accessing distributed database. I am receiving some data from a device to the controllers and i store them in Cassandra database. I use Docker to install cassandra The node 1 is on controller 1 and node 2 is on controller 2. I…
KSp
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Compatibility of Apache Cassandra with YugaByte

Do the drivers and cqlsh that come with Apache Cassandra work with YugaByte?
Charlie O'Riely
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RHEL environments in YugaByte DB

Does Yugabyte work with RHEL environments? I didn’t see RHEL mentioned in the linux environment.
Diana Garcia
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Temporary tables in YugaByte DB

The idea of temporary tables is present in many databases. Are there any plans to support temporary tables in YugaByte DB SQL clusters?
Edward Ribbery
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How do I perform the k8s/helm setup of YB?

I am trying the k8s/helm setup of YB via: % helm install yugabyte -f expose-all.yaml --namespace yb-demo --name yb-demo --wait After that, how do I interact with the cluster via YCQL (say a cqlsh). Essentially, I want to access the db from an…
Diana Garcia
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Blockchain (Hyperledger sawtooth) data management

When you think about designing a blockchain network using Hyperledger sawtooth, It’s important to consider how your data will grow and amplify as your business. Being familiar with on-chain and off-chain data there are certain questions that popped…
Aditya Bharti
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Performance Benchmarks for Kafka KTables

I was able to find a few blog posts on benchmarks for Kafka messaging (throughout, latency). Does anyone have references to benchmarks for queries/joins on KTables or GlobalKTables, as compared to other alternatives such as distributed databases?
Tom
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Retrieve data from mnesia in order of insertion

I'm new to Elixir and working on a distributed system. This system shares several global tables. Writes to this tables are frequent, so they should be pretty fast. Now, I sometimes have to process one whole table and generate some JSON from it, but…
nickkoro
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