This topic introduces the RocksMQ-related configurations of Milvus.
RocksMQ is the underlying engine supporting Milvus standalone's reliable storage and publication/subscription of message streams. It is implemented on the basis of RocksDB.
Under this section, you can configure message size, retention time and size, etc.
rocksmq.path
Description
Default Value
Prefix of the key to where Milvus stores data in RocksMQ.
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.
Set an easy-to-identify root key prefix for Milvus if etcd service already exists.
/var/lib/milvus/rdb_data
rocksmq.rocksmqPageSize
Description
Default Value
The maximum size of messages in each page in RocksMQ. Messages in RocksMQ are checked and cleared (when expired) in batch based on this parameters.
Unit: Byte
2147483648
rocksmq.retentionTimeInMinutes
Description
Default Value
The maximum retention time of acked messages in RocksMQ. Acked messages in RocksMQ are retained for the specified period of time and then cleared.
Unit: Minute
10080
rocksmq.retentionSizeInMB
Description
Default Value
The maximum retention size of acked messages of each topic in RocksMQ. Acked messages in each topic are cleared if their size exceed this parameter.
