Nimbus
E705290
Nimbus is the central coordination and resource management service in Apache Storm that assigns tasks to worker nodes and oversees the execution of distributed stream processing topologies.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Nimbus (Apache Storm) | 0 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
cluster coordination service
ⓘ
component of Apache Storm ⓘ resource management service ⓘ |
| accepts | topology submissions from clients ⓘ |
| assigns | tasks to worker nodes ⓘ |
| belongsToCategory |
distributed systems components
ⓘ
stream processing frameworks ⓘ |
| canBe | configured in a Nimbus HA cluster ⓘ |
| communicatesWith |
Storm UI
NERFINISHED
ⓘ
Storm clients ⓘ Storm supervisors ⓘ |
| deploymentModel | typically runs as a daemon on a master node ⓘ |
| developedFor | distributed stream processing ⓘ |
| ensures |
tasks are balanced across worker nodes
ⓘ
topologies continue running despite worker failures ⓘ |
| exposes | Thrift-based API ⓘ |
| language | Java NERFINISHED ⓘ |
| manages |
cluster resources
ⓘ
topology lifecycle ⓘ |
| oversees | execution of distributed stream processing topologies ⓘ |
| partOf | Apache Storm NERFINISHED ⓘ |
| persists | submitted topologies ⓘ |
| primaryFunction | coordinate and manage Storm topologies across a cluster ⓘ |
| reads |
cluster configuration
ⓘ
topology definitions ⓘ |
| responsibleFor |
assigning executors to worker processes
ⓘ
detecting failed workers ⓘ distributing topology code across the cluster ⓘ monitoring worker heartbeats ⓘ reassigning tasks from failed workers ⓘ rebalancing topologies ⓘ scheduling workers on available supervisors ⓘ |
| role |
central coordination service
ⓘ
resource manager ⓘ topology scheduler ⓘ |
| runsOn | JVM NERFINISHED ⓘ |
| storesStateIn | Apache ZooKeeper NERFINISHED ⓘ |
| supports | high-availability configurations ⓘ |
| supportsOperation |
activate topology
ⓘ
deactivate topology ⓘ kill topology ⓘ rebalance topology ⓘ |
| tracks | status of running topologies ⓘ |
| uses | Apache ZooKeeper for coordination ⓘ |
| versionedWith | Apache Storm releases ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.