List of Apache ZooKeeper Customers
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Since 2010, our global team of researchers has been studying Apache ZooKeeper customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased Apache ZooKeeper for Application Hosting and Computing Services from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using Apache ZooKeeper for Application Hosting and Computing Services include: T-Mobile _x000D_, a United States based Communications organisation with 70000 employees and revenues of $81.40 billion, Royal Bank of Canada, a Canada based Banking and Financial Services organisation with 96628 employees and revenues of $48.64 billion, Visa, a United States based Banking and Financial Services organisation with 28800 employees and revenues of $32.65 billion, Celink, a United States based Banking and Financial Services organisation with 500 employees and revenues of $100.0 million, Ericsson Japan, a Japan based Manufacturing organisation with 900 employees and revenues of $100.0 million and many others.
Contact us if you need a completed and verified list of companies using Apache ZooKeeper, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the IaaS software purchases.
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight |
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Celink | Banking and Financial Services | 500 | $100M | United States | Apache Software | Apache ZooKeeper | Application Hosting and Computing Services | 2016 | n/a |
In 2016 Celink implemented Apache ZooKeeper from Apache Software as a centralized coordination service to address Distributed Systems Management needs. The deployment established Apache ZooKeeper as a persistent configuration and coordination layer for distributed services across the company infrastructure, with the application name Apache ZooKeeper explicitly provisioned for cluster coordination and metadata storage.
The implementation leveraged core Apache ZooKeeper capabilities including leader election, configuration management, distributed locks, ephemeral nodes, and watch semantics to orchestrate state across distributed processes. Configuration focused on an ensemble deployment model distributed across multiple hosts to provide fault tolerant quorum behavior and predictable session management for connected services.
Celink integrated Apache ZooKeeper with Apache Kafka as part of its messaging and streaming infrastructure, using ZooKeeper to manage broker metadata and controller coordination for Kafka clusters. The integration tied Apache ZooKeeper into data engineering and platform operations workflows, providing a single coordination plane for real time messaging, service discovery, and schema or topic configuration workflows.
Operational governance included standardized cluster configuration, access control via ZooKeeper ACLs, and documented runbooks for ensemble membership changes, node maintenance, and automated recovery procedures. The implementation placed responsibility for Distributed Systems Management with platform engineering and operations teams, formalizing processes for configuration change, monitoring, and incident response around the Apache ZooKeeper ensemble.
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Ericsson Japan | Manufacturing | 900 | $100M | Japan | Apache Software | Apache ZooKeeper | Application Hosting and Computing Services | 2020 | n/a |
In 2020 Ericsson Japan deployed Apache ZooKeeper as a coordination and configuration component within its Distributed Systems Management environment. The deployment supported Service Delivery and Customer Support functions in Yokohama, where support engineers were responsible for configuring and integrating nodes in new and live customer networks, handling Customer Support Requests, and executing Software Update Management (SUM) processes.
Apache ZooKeeper was implemented to provide core distributed systems capabilities common to the Distributed Systems Management category, including centralized configuration coordination, cluster membership and leader election, and lightweight service discovery for stateful network functions. Configuration and orchestration workflows were aligned with on-call and emergency support processes, enabling reproducible fault analysis and controlled configuration rollouts across node clusters.
Operational coverage emphasized Service Delivery, Network Operations, and R&D collaboration, reflecting the job-level interactions with customer technical staff, operations managers, service engineers, sales, and third party suppliers. The technical environment referenced Linux and listed Apache ZooKeeper alongside Cassandra, VCS, and PostgreSQL as relevant technologies for engineers supporting 5GC, cloud and core network domains.
Governance and process expectations were embedded in daily support routines, with engineers accountable for troubleshooting, fault reproduction, investigation reporting, and maintaining up-to-date technical competence. Apache ZooKeeper functioned as the Distributed Systems Management layer to stabilize node configuration and coordination while fitting into Ericsson Japan’s existing support and escalation workflows.
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Royal Bank of Canada | Banking and Financial Services | 96628 | $48.6B | Canada | Apache Software | Apache ZooKeeper | Application Hosting and Computing Services | 2021 | n/a |
In 2021 Royal Bank of Canada deployed Apache ZooKeeper as a core component of its Distributed Systems Management layer to support data platform operations and cluster coordination in its Toronto environment. Apache ZooKeeper was implemented by data engineering teams alongside Hadoop ecosystem tooling as part of end to end data infrastructure work described by the Senior Data Engineer role.
The implementation included installing, configuring, and maintaining Apache ZooKeeper instances alongside CDH 5.2 clusters managed with Cloudera Manager, with hands on work to create Kerberos principals and install the JCE policy file to enable Kerberos authentication via the Cloudera Manager wizard. Operational tasks tied to ZooKeeper provisioning included commissioning and decommissioning DataNodes, NameNode recovery procedures, capacity planning, and configuration of YARN and MapReduce resource slots to support batch and interactive workloads.
Apache ZooKeeper integration spanned core Hadoop services and data pipelines, including HBase for metadata and region coordination, Kafka for streaming ingestion, HDFS for storage coordination, and Spark on Yarn for distributed compute. The deployment sat within a mixed on premises and cloud environment, referenced by cluster management on RedHat 6.5, management of a 350 plus node CDH cluster holding four petabytes of data, and migration activities that involved AWS EMR, S3 and related cloud services.
Governance and operationalization centered on automated operational scripts and monitoring, ZooKeeper configuration management, and cross team procedures with systems engineering and application teams. Monitoring and alerting used Nagios, Ganglia, and Cloudera Manager, while automation included Bash scripts, CI CD practices, and scripted Hadoop package installation and configuration to enable repeatable deployments and controlled node lifecycle operations.
Ongoing responsibilities documented for Apache ZooKeeper focused on cluster performance monitoring, log inspection for troubleshooting distributed job failures, and maintaining coordination services for downstream big data applications such as Spark streaming, Flume ingestions, and HBase region management. Royal Bank of Canada Apache ZooKeeper Distributed Systems Management supported these data engineering and platform reliability functions without reference to replacement of any named prior product.
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Semantix Brasil | Professional Services | 600 | $60M | Brazil | Apache Software | Apache ZooKeeper | Application Hosting and Computing Services | 2021 | n/a |
In 2021, Semantix Brasil deployed Apache ZooKeeper as a foundational component of its Application Hosting and Computing Services supporting the companys Big Data platform. Apache ZooKeeper was positioned to provide distributed coordination, configuration management, and leader election services for the platform, forming a high-availability coordination plane for cluster services.
The implementation focused on a ZooKeeper ensemble configured for fault tolerance and session management, leveraging typical ZooKeeper capabilities such as ephemeral nodes and watches to support service discovery and cluster coordination. Apache ZooKeeper was used to stabilize state and metadata for workload schedulers and distributed compute, ensuring consistent configuration across Hadoop ecosystem nodes.
ZooKeeper integration was executed against the existing Hadoop ecosystem, including Cloudera, Hadoop core components, Hue, Hive, Impala, Oozie, Sqoop, and YARN, and extended to observability and orchestration tooling such as Elasticsearch, Grafana, DataDog, and Control-M. Provisioning and lifecycle automation were managed through Terraform and GitLab pipelines, and the deployment environment used AWS infrastructure for compute and network resources.
Operational ownership rested with the Big Data operations and platform teams based in São Paulo, Brazil, with remote support patterns noted in day to day monitoring and support activities. Governance emphasized runbook driven incident response, centralized monitoring using Grafana and DataDog, and automated deployment workflows via Terraform and GitLab, aligning Apache ZooKeeper with Semantix Brasils Application Hosting and Computing Services for sustained platform reliability.
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T-Mobile _x000D_ | Communications | 70000 | $81.4B | United States | Apache Software | Apache ZooKeeper | Application Hosting and Computing Services | 2015 | n/a |
In 2015, T-Mobile implemented Apache ZooKeeper as part of its Application Hosting and Computing Services footprint, with responsibilities covering the installation, setup and configuration of Apache Kafka and Apache ZooKeeper. Apache ZooKeeper was deployed to provide centralized coordination services for distributed infrastructure components, supporting metadata management and cluster membership for streaming and messaging layers.
The implementation centered on a ZooKeeper ensemble topology configured for quorum-based coordination, persistent znodes, and tuned session and heartbeat parameters to support Apache Kafka broker leader election and partition metadata. Configuration work included chrooted namespaces for environment separation, data directory configuration for durability, and standard monitoring endpoints for health and metrics collection.
Integrations explicitly included Apache Kafka, where Apache ZooKeeper provided broker coordination and controller election services, and the deployment was provisioned to interface with platform monitoring and alerting systems for operational visibility. Operational coverage focused on platform engineering and messaging infrastructure that underpins real-time data pipelines and enterprise messaging services across T-Mobile.
Governance for the rollout emphasized automated configuration management and repeatable installation procedures, with change control and runbook-driven operational processes to manage ensemble membership changes and Kafka broker scale events. The narrative reflects an implementation aligned to Application Hosting and Computing Services best practices for distributed coordination and streaming platform reliability.
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Banking and Financial Services | 28800 | $32.7B | United States | Apache Software | Apache ZooKeeper | Application Hosting and Computing Services | 2017 | n/a |
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Buyer Intent: Companies Evaluating Apache ZooKeeper
ARTW Buyer Intent uncovers actionable customer signals, identifying software buyers actively evaluating Apache ZooKeeper. Gain ongoing access to real-time prospects and uncover hidden opportunities. Companies Actively Evaluating Apache ZooKeeper for Application Hosting and Computing Services include:
- Voip Office.Com, a United States based Communications organization with 10 Employees
Discover Software Buyers actively Evaluating Enterprise Applications
| Logo | Company | Industry | Employees | Revenue | Country | Evaluated |
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Voip Office.Com | Communications | 10 | $1M | United States | 2024-12-24 |
FAQ - APPS RUN THE WORLD Apache ZooKeeper Coverage
Apache ZooKeeper is a Application Hosting and Computing Services solution from Apache Software.
Companies worldwide use Apache ZooKeeper, from small firms to large enterprises across 21+ industries.
Organizations such as T-Mobile _x000D_, Royal Bank of Canada, Visa, Celink and Ericsson Japan are recorded users of
Apache ZooKeeper for Application Hosting and Computing Services.
Companies using Apache ZooKeeper are most concentrated in Communications, Banking and Financial Services and Manufacturing, with adoption spanning over 21 industries.
Companies using Apache ZooKeeper are most concentrated in United States, Canada and Japan, with adoption tracked across 195 countries worldwide. This global distribution highlights the popularity of Apache ZooKeeper across Americas, EMEA, and APAC.
Companies using Apache ZooKeeper range from small businesses with 0-100 employees - 0%, to mid-sized firms with 101-1,000 employees - 50%, large organizations with 1,001-10,000 employees - 0%, and global enterprises with 10,000+ employees - 50%.
Customers of Apache ZooKeeper include firms across all revenue levels — from $0-100M, to $101M-$1B, $1B-$10B, and $10B+ global corporations.
Contact APPS RUN THE WORLD to access the full verified Apache ZooKeeper customer database with detailed Firmographics such as industry, geography, revenue, and employee breakdowns as well as key decision makers in charge of Application Hosting and Computing Services.