Apache Spark vs Apache Ignite [closed] - apache-spark

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Currently I'm studying Apache spark and Apache ignite frameworks.
Some principle differences between them are described in this article ignite vs spark But I realized that I still don't understand their purposes.
I mean for which problems spark more preferable than ignite and vice versa?

Answer 1

I would say that Spark is a good product for interactive analytics, while Ignite is better for real-time analytics and high performance transactional processing. Ignite achieves this by providing efficient and scalable in-memory key-value storage, as well as rich capabilities for indexing, querying the data and running computations.
Another common use for Ignite is distributed caching, which is often used to improve performance of applications that interact with relational databases or any other data sources.

Answer 2

Apache Ignite is a high-performance, integrated and distributed in-memory platform for computing and transacting on large-scale data sets in real-time.Ignite is a data-source-agnostic platform and can distribute and cache data across multiple servers in RAM to deliver unprecedented processing speed and massive application scalability.
Apache Spark(cluster computing framework) is a fast, in-memory data processing engine with expressive development APIs to allow data workers to efficiently execute streaming, machine learning or SQL workloads that require fast iterative access to datasets.
By allowing user programs to load data into a cluster’s memory and query it repeatedly, Spark is well suited for high-performance computing and machine learning algorithms.
Some conceptual differences:
Spark doesn’t store data, it loads data for processing from other storages, usually disk-based, and then discards the data when the processing is finished. Ignite, on the other hand, provides a distributed in-memory key-value store (distributed cache or data grid) with ACID transactions and SQL querying capabilities.
Spark is for non-transactional, read-only data (RDDs don’t support in-place mutation), while Ignite supports both non-transactional (OLAP) payloads as well as fully ACID compliant transactions (OLTP)
Ignite fully supports pure computational payloads (HPC/MPP) that can be “dataless”. Spark is based on RDDs and works only on data-driven payloads.
Conclusion:
Ignite and Spark are both in-memory computing solutions but they target different use cases.
In many cases, they are used together to achieve superior results:
Ignite can provide shared storage, so the state can be passed from one Spark application or job to another.
Ignite can provide SQL with indexing so Spark SQL can be accelerated over 1,000x (spark doesn’t index the data)
When working with files instead of RDDs, the Apache Ignite In-Memory File System (IGFS) can also share state between Spark jobs and applications

Answer 3

Does Spark and Ignite works together?
Yes, Spark and Ignite works together.
In short
Ignite vs. Spark
Ignite is an in-memory distributed database more focused on data storage and handles transnational updates on data, then serves client requests. Apache Spark is an MPP compute engine which is more inclined towards analytics, ML, Graph, and ETL specific payloads.
In detail
Apache Spark is an OLAP tool
Apache Spark is a general-purpose cluster computing system. It's an optimized engine that supports general execution graphs. It also supports a rich set of higher-level tools including Spark SQL for SQL and structured data processing, MLlib for machine learning, GraphX for graph processing, and Spark Streaming.
Spark with other components
Deployment topology
Spark on YARN typology is discussed here.
Apache Ignite is an OLTP tool
Ignite is a memory-centric distributed database, caching, and processing platform for transnational, analytical, and streaming workloads delivering in-memory speeds at the petabyte scale. Ignite also includes first-class level support for cluster management and operations, cluster-aware messaging, and zero-deployment technologies. Ignite also provides support for full ACID transactions spanning memory and optional data sources.
SQL Overview
Deployment topology

Answer 4

Apache Spark is a processing framework. You tell it where to get data, provide some code about how to process that data, and then tell it where to put the results. It's a way to easily reliably run computing logic across a bunch of nodes in a cluster on data from any source (which is then kept in-memory during processing). It's primarily meant for large-scale analysis on data from various sources (even from multiple databases at once), or from streaming sources like Kafka. It can also be used for ETL, like transforming and joining data together before putting the final results in some other database system.
Apache Ignite is more of an in-memory distributed database, at least that's how it started. It has a key/value and SQL API, so you can store and read data in various ways, and run queries like you would any other SQL database. It also supports running your own code (similar to Spark) so you can do processing that wouldn't really work with SQL, while also reading and writing the data all in the same system. It also can read/write data to other database systems while acting as a cache layer in the middle. Eventually, as of 2018, it also supports on-disk storage so now you can use it as an all-in-one distributed database, cache, and processing framework.
Apache Spark is still better for more complex analytics, and you can have Spark read data from Apache Ignite, but for many scenarios it's now possible to consolidate processing and storage into a single system with Apache Ignite.

Answer 5

Although Apache Spark and Apache Ignite utilize the power of in-memory computing, they address different use cases. Spark processes but doesn’t store data. It loads the data, processes it, then discards it. Ignite, on the other hand, can be used to process data and it also provides a distributed in-memory key-value store with ACID compliant transactions and SQL support.
Spark is also for non-transactional, read-only data while Ignite supports non-transactional and transactional workloads. Finally, Apache Ignite also supports purely computational payloads for HPC and MPP use cases while Spark works only on data-driven payloads.
Spark and Ignite can complement each other very well. Ignite can provide shared storage for Spark so state can be passed from one Spark application or job to another. Ignite can also be used to provide distributed SQL with indexing that accelerates Spark SQL by up to 1,000x.
By Nikita Ivanov: http://www.odbms.org/blog/2017/06/on-apache-ignite-apache-spark-and-mysql-interview-with-nikita-ivanov/

Answer 6

Although both Apache Spark and Apache Ignite utilize the power of in-memory computing, they address somewhat different use cases and rarely “compete” for the same task. Some conceptual differences:
Spark doesn’t store data, it loads data for processing from other storages, usually disk-based, and then discards the data when the processing is finished. Ignite, on the other hand, provides a distributed in-memory key-value store (distributed cache or data grid) with ACID transactions and SQL querying capabilities.
Spark is for non-transactional, read-only data (RDDs don’t support in-place mutation), while Ignite supports both non-transactional (OLAP) payloads as well as fully ACID compliant transactions (OLTP)
Ignite fully supports pure computational payloads (HPC/MPP) that can be “dataless”. Spark is based on RDDs and works only on data-driven payloads.

Answer 7

I am late to answer this question, but let me try to share my view on this.
Ignite may not be ready to use in production for enterprise application as some important features such as Security is only available in Gridgain(wrapper over Ignite)
Complete list of features can be found from below link
https://www.gridgain.com/products/gridgain-vs-ignite