Package org.apache.druid.metadata
package org.apache.druid.metadata
-
ClassDescriptionThis class exists so that
MetadataStorageConnectorConfigis asked for password every time a brand new connection is established with DB.DerbyMetadataStorageActionHandler<EntryType,StatusType, LogType, LockType> Specifies a policy to filter active locks held by a datasourceMySQLMetadataStorageActionHandler<EntryType,StatusType, LogType, LockType> Representation of a record in the pending segments table.PostgreSQLMetadataStorageActionHandler<EntryType,StatusType, LogType, LockType> Details of a REPLACE lock held by a batch supervisor task.Exception thrown by SQL connector code when it wants a transaction to be retried.Polls the metadata store periodically and builds a timeline of used segments (and schemas if schema caching on the Coordinator is enabled).Config that dictates polling and caching of segment metadata on leader Coordinator or Overlord services.Specifies the sort order when doing metadata store queries.SQLMetadataStorageActionHandler<EntryType,StatusType, LogType, LockType> Implementation ofSegmentsMetadataManager, that periodically polls used segments from the metadata store to build aDataSourcesSnapshot.An object that is used to query the segments table in the metadata store.SQLServerMetadataStorageActionHandler<EntryType,StatusType, LogType, LockType> Config forUnusedSegmentKiller.