etcd
E184346
configuration management datastore
distributed key-value store
open-source software
service discovery system
etcd is a distributed, reliable key-value store commonly used as the backing data store for configuration and state management in systems like Kubernetes.
All labels observed (5)
| Label | Occurrences |
|---|---|
| etcd canonical | 7 |
| Etcd | 2 |
| etcd (indirectly via kube-apiserver) | 1 |
| etcd as backing store | 1 |
| etcd/raft | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1636499 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: etcd Context triple: [Kubernetes, component, etcd]
-
A.
Jepsen
Jepsen is a surname most notably associated with individuals such as display technology innovator Mary Lou Jepsen.
-
B.
Paxos consensus algorithm
The Paxos consensus algorithm is a fault-tolerant protocol for achieving agreement among distributed systems, widely used as a foundation for reliable, replicated state machines and modern distributed databases.
-
C.
Paxos
Paxos is a small Greek island in the Ionian Sea, known for its clear turquoise waters, olive groves, and tranquil, less-touristed atmosphere.
-
D.
B-tree
A B-tree is a self-balancing tree data structure that maintains sorted data and allows efficient insertion, deletion, and search operations, commonly used to implement database indexes.
-
E.
Redis
Redis is an in-memory data structure store commonly used as a database, cache, and message broker known for its high performance and low latency.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: etcd Target entity description: etcd is a distributed, reliable key-value store commonly used as the backing data store for configuration and state management in systems like Kubernetes.
-
A.
Jepsen
Jepsen is a surname most notably associated with individuals such as display technology innovator Mary Lou Jepsen.
-
B.
Paxos consensus algorithm
The Paxos consensus algorithm is a fault-tolerant protocol for achieving agreement among distributed systems, widely used as a foundation for reliable, replicated state machines and modern distributed databases.
-
C.
Paxos
Paxos is a small Greek island in the Ionian Sea, known for its clear turquoise waters, olive groves, and tranquil, less-touristed atmosphere.
-
D.
B-tree
A B-tree is a self-balancing tree data structure that maintains sorted data and allows efficient insertion, deletion, and search operations, commonly used to implement database indexes.
-
E.
Redis
Redis is an in-memory data structure store commonly used as a database, cache, and message broker known for its high performance and low latency.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
configuration management datastore
ⓘ
distributed key-value store ⓘ open-source software ⓘ service discovery system ⓘ |
| architecture | replicated state machine ⓘ |
| consensusAlgorithm | Raft ⓘ |
| consistencyModel | linearizability ⓘ |
| dataModel | hierarchical key space ⓘ |
| deploymentModel | clustered ⓘ |
| designedFor |
fault tolerance
ⓘ
high availability ⓘ strong consistency ⓘ |
| developer |
CoreOS
ⓘ
linked to:
Fedora CoreOS
etcd-io community ⓘ |
| feature |
TLS encryption
ⓘ
authentication and authorization ⓘ cluster membership reconfiguration ⓘ health checking endpoints ⓘ lease-based key expiration ⓘ multi-version concurrency control ⓘ revisioned keys ⓘ role-based access control ⓘ snapshotting ⓘ |
| implementationLanguage | Go ⓘ |
| license | Apache License 2.0 ⓘ |
| nameStyle | lowercase ⓘ |
| openSource | true ⓘ |
| origin |
CoreOS project
ⓘ
linked to:
Fedora CoreOS
|
| primaryUseInKubernetes |
API object persistence
ⓘ
cluster state storage ⓘ |
| programmingLanguage | Go ⓘ |
| relatedTo |
Consul
ⓘ
ZooKeeper ⓘ
linked to:
Apache ZooKeeper
|
| repository | https://github.com/etcd-io/etcd ⓘ |
| supports |
HTTP/JSON API
ⓘ
distributed consensus ⓘ gRPC API ⓘ
linked to:
gRPC
key-value storage ⓘ leader election ⓘ multi-node clusters ⓘ quorum-based writes ⓘ transactions ⓘ watch API ⓘ |
| usedBy | Kubernetes ⓘ |
| usedFor |
configuration management
ⓘ
distributed coordination ⓘ service discovery ⓘ state management ⓘ |
| writtenIn | Go ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: etcd Description of subject: etcd is a distributed, reliable key-value store commonly used as the backing data store for configuration and state management in systems like Kubernetes.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: etcd
linked to: etcd
linked to: etcd
linked to: etcd
subject linked to:
OpenShift control plane nodes
subject linked to:
OpenShift control plane nodes
linked to: etcd