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.
| 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 |
| 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 |
| 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 |
| 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.
Unit: MB
|
8192 |
| Description |
Default Value |
|
Time interval to trigger rocksdb compaction to remove deleted data.
Unit: Second
|
86400 |
| Description |
Default Value |
|
Rocksdb cache memory ratio.
|
0.06 |
