Package org.apache.druid.server

Interface Summary

Interface	Description
QueryLaningStrategy
QueryPrioritizationStrategy

Class Summary

Class	Description
AsyncManagementForwardingServlet
AsyncQueryForwardingServlet	This class does async query processing and should be merged with QueryResource at some point
BrokerQueryResource
ClientInfoResource
ClientQuerySegmentWalker	Query handler for Broker processes (see CliBroker).
DruidNode
GuiceServletConfig
JettyUtils
LocalQuerySegmentWalker	Processor that computes Druid queries, single-threaded.
QueryLifecycle	Class that helps a Druid server (broker, historical, etc) manage the lifecycle of a query that it is handling.
QueryLifecycle.QueryResponse
QueryLifecycleFactory
QueryResource
QueryResource.ResourceIOReaderWriter
QueryScheduler	QueryScheduler (potentially) assigns any Query that is to be executed to a 'query lane' using the QueryLaningStrategy that is defined in QuerySchedulerConfig.
QuerySchedulerConfig
QuerySchedulerProvider
QueryStats
RequestLogLine
ResponseContextConfig
SegmentManager	This class is responsible for managing data sources and their states like timeline, total segment size, and number of segments.
SegmentManager.DataSourceState	Represent the state of a data source including the timeline, total segment size, and number of segments.
SetAndVerifyContextQueryRunner<T>	Use this QueryRunner to set and verify Query contexts.
StatusResource
StatusResource.Memory
StatusResource.ModuleVersion
StatusResource.Status
ZkPathsModule

Exception Summary

Exception	Description
QueryCapacityExceededException	This exception is for QueryResource and SqlResource to surface when a query is cast away by QueryScheduler.