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Clickhouse

323
452
+ 1
76
ScyllaDB

105
147
+ 1
8
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Clickhouse vs Scylla: What are the differences?

Developers describe Clickhouse as "A column-oriented database management system". It allows analysis of data that is updated in real time. It offers instant results in most cases: the data is processed faster than it takes to create a query. On the other hand, Scylla is detailed as "Next Generation Cassandra". Real-time big data database, with scale-up performance of 1,000,000 IOPS per node, scale-out to 100s of nodes and 99 latency of less than 1 msec.

Clickhouse and Scylla belong to "Databases" category of the tech stack.

Scylla is an open source tool with 5.25K GitHub stars and 619 GitHub forks. Here's a link to Scylla's open source repository on GitHub.

According to the StackShare community, Clickhouse has a broader approval, being mentioned in 22 company stacks & 11 developers stacks; compared to Scylla, which is listed in 16 company stacks and 6 developer stacks.

Advice on Clickhouse and ScyllaDB
Vinay Mehta
Needs advice
on
CassandraCassandra
and
ScyllaDBScyllaDB

The problem I have is - we need to process & change(update/insert) 55M Data every 2 min and this updated data to be available for Rest API for Filtering / Selection. Response time for Rest API should be less than 1 sec.

The most important factors for me are processing and storing time of 2 min. There need to be 2 views of Data One is for Selection & 2. Changed data.

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Replies (4)
Alex Peake
Recommends
CassandraCassandra

Cassandra is quite capable of the task, in a highly available way, given appropriate scaling of the system. Remember that updates are only inserts, and that efficient retrieval is only by key (which can be a complex key). Talking of keys, make sure that the keys are well distributed.

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Recommends
ScyllaDBScyllaDB

Scylla can handle 1M/s events with a simple data model quite easily. The api to query is CQL, we have REST api but that's for control/monitoring

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Pankaj Soni
Chief Technical Officer at Software Joint · | 2 upvotes · 108.2K views
Recommends
CassandraCassandra

i love syclla for pet projects however it's license which is based on server model is an issue. thus i recommend cassandra

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Recommends
ScyllaDBScyllaDB

By 55M do you mean 55 million entity changes per 2 minutes? It is relatively high, means almost 460k per second. If I had to choose between Scylla or Cassandra, I would opt for Scylla as it is promising better performance for simple operations. However, maybe it would be worth to consider yet another alternative technology. Take into consideration required consistency, reliability and high availability and you may realize that there are more suitable once. Rest API should not be the main driver, because you can always develop the API yourself, if not supported by given technology.

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Decisions about Clickhouse and ScyllaDB
Tom Klein

The Gentlent Tech Team made lots of updates within the past year. The biggest one being our database:

We decided to migrate our #PostgreSQL -based database systems to a custom implementation of #Cassandra . This allows us to integrate our product data perfectly in a system that just makes sense. High availability and scalability are supported out of the box.

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Pros of Clickhouse
Pros of ScyllaDB
  • 19
    Fast, very very fast
  • 11
    Good compression ratio
  • 6
    Horizontally scalable
  • 5
    Great CLI
  • 5
    RESTful
  • 5
    Utilizes all CPU resources
  • 4
    Open-source
  • 4
    Great number of SQL functions
  • 3
    Has no transactions
  • 3
    Buggy
  • 2
    Server crashes its normal :(
  • 2
    ODBC
  • 2
    Flexible connection options
  • 2
    Flexible compression options
  • 2
    Highly available
  • 1
    In IDEA data import via HTTP interface not working
  • 2
    Replication
  • 1
    Fewer nodes
  • 1
    Distributed
  • 1
    Scale up
  • 1
    High availability
  • 1
    Written in C++
  • 1
    High performance

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Cons of Clickhouse
Cons of ScyllaDB
  • 5
    Slow insert operations
    Be the first to leave a con

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    What is Clickhouse?

    It allows analysis of data that is updated in real time. It offers instant results in most cases: the data is processed faster than it takes to create a query.

    What is ScyllaDB?

    ScyllaDB is the database for data-intensive apps that require high performance and low latency. It enables teams to harness the ever-increasing computing power of modern infrastructures – eliminating barriers to scale as data grows.

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    Jobs that mention Clickhouse and ScyllaDB as a desired skillset
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    United States of America Texas Richardson
    CBRE
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    What companies use Clickhouse?
    What companies use ScyllaDB?
    See which teams inside your own company are using Clickhouse or ScyllaDB.
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    What tools integrate with Clickhouse?
    What tools integrate with ScyllaDB?

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    What are some alternatives to Clickhouse and ScyllaDB?
    Cassandra
    Partitioning means that Cassandra can distribute your data across multiple machines in an application-transparent matter. Cassandra will automatically repartition as machines are added and removed from the cluster. Row store means that like relational databases, Cassandra organizes data by rows and columns. The Cassandra Query Language (CQL) is a close relative of SQL.
    Elasticsearch
    Elasticsearch is a distributed, RESTful search and analytics engine capable of storing data and searching it in near real time. Elasticsearch, Kibana, Beats and Logstash are the Elastic Stack (sometimes called the ELK Stack).
    MySQL
    The MySQL software delivers a very fast, multi-threaded, multi-user, and robust SQL (Structured Query Language) database server. MySQL Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed software.
    InfluxDB
    InfluxDB is a scalable datastore for metrics, events, and real-time analytics. It has a built-in HTTP API so you don't have to write any server side code to get up and running. InfluxDB is designed to be scalable, simple to install and manage, and fast to get data in and out.
    Druid
    Druid is a distributed, column-oriented, real-time analytics data store that is commonly used to power exploratory dashboards in multi-tenant environments. Druid excels as a data warehousing solution for fast aggregate queries on petabyte sized data sets. Druid supports a variety of flexible filters, exact calculations, approximate algorithms, and other useful calculations.
    See all alternatives