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