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msgChannel-related Configurations

This topic introduces the message channel-related configurations of Milvus.

msgChannel.chanNamePrefix.cluster

Description Default Value
  • Root name prefix of the channel when a message channel is created.
  • It is recommended to change this parameter before starting Milvus for the first time.
  • To share a Pulsar instance among multiple Milvus instances, consider changing this to a name rather than the default one for each Milvus instance before you start them.
  • by-dev

    msgChannel.chanNamePrefix.rootCoordTimeTick

    Description Default Value
  • Sub-name prefix of the message channel where the root coord publishes time tick messages.
  • The complete channel name prefix is ${msgChannel.chanNamePrefix.cluster}-${msgChannel.chanNamePrefix.rootCoordTimeTick}
  • Caution: Changing this parameter after using Milvus for a period of time will affect your access to old data.
  • It is recommended to change this parameter before starting Milvus for the first time.
  • rootcoord-timetick

    msgChannel.chanNamePrefix.rootCoordStatistics

    Description Default Value
  • Sub-name prefix of the message channel where the root coord publishes its own statistics messages.
  • The complete channel name prefix is ${msgChannel.chanNamePrefix.cluster}-${msgChannel.chanNamePrefix.rootCoordStatistics}
  • Caution: Changing this parameter after using Milvus for a period of time will affect your access to old data.
  • It is recommended to change this parameter before starting Milvus for the first time.
  • rootcoord-statistics

    msgChannel.chanNamePrefix.rootCoordDml

    Description Default Value
  • Sub-name prefix of the message channel where the root coord publishes Data Manipulation Language (DML) messages.
  • The complete channel name prefix is ${msgChannel.chanNamePrefix.cluster}-${msgChannel.chanNamePrefix.rootCoordDml}
  • Caution: Changing this parameter after using Milvus for a period of time will affect your access to old data.
  • It is recommended to change this parameter before starting Milvus for the first time.
  • rootcoord-dml

    msgChannel.chanNamePrefix.queryTimeTick

    Description Default Value
  • Sub-name prefix of the message channel where the query node publishes time tick messages.
  • The complete channel name prefix is ${msgChannel.chanNamePrefix.cluster}-${msgChannel.chanNamePrefix.queryTimeTick}
  • Caution: Changing this parameter after using Milvus for a period of time will affect your access to old data.
  • It is recommended to change this parameter before starting Milvus for the first time.
  • queryTimeTick

    msgChannel.chanNamePrefix.dataCoordTimeTick

    Description Default Value
  • Sub-name prefix of the message channel where the data coord publishes time tick messages.
  • The complete channel name prefix is ${msgChannel.chanNamePrefix.cluster}-${msgChannel.chanNamePrefix.dataCoordTimeTick}
  • Caution: Changing this parameter after using Milvus for a period of time will affect your access to old data.
  • It is recommended to change this parameter before starting Milvus for the first time.
  • datacoord-timetick-channel

    msgChannel.chanNamePrefix.dataCoordSegmentInfo

    Description Default Value
  • Sub-name prefix of the message channel where the data coord publishes segment information messages.
  • The complete channel name prefix is ${msgChannel.chanNamePrefix.cluster}-${msgChannel.chanNamePrefix.dataCoordSegmentInfo}
  • Caution: Changing this parameter after using Milvus for a period of time will affect your access to old data.
  • It is recommended to change this parameter before starting Milvus for the first time.
  • segment-info-channel

    msgChannel.subNamePrefix.dataCoordSubNamePrefix

    Description Default Value
  • Subscription name prefix of the data coord.
  • Caution: Changing this parameter after using Milvus for a period of time will affect your access to old data.
  • It is recommended to change this parameter before starting Milvus for the first time.
  • dataCoord

    msgChannel.subNamePrefix.dataNodeSubNamePrefix

    Description Default Value
  • Subscription name prefix of the data node.
  • Caution: Changing this parameter after using Milvus for a period of time will affect your access to old data.
  • It is recommended to change this parameter before starting Milvus for the first time.
  • dataNode