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The Transmission phase cannot be altered.
Preprocess
Partition
Modification
Allocation
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| Strategy name | Description |
|---|---|
source | StreamAOs are replaced with their logical operators. |
Partition
| Strategy name | Description |
|---|---|
querycloud | The query is one query part (no partitioning). |
operatorcloud | Each logical operator is its own query part (max. partitioning) |
Modification
| Strategy name | Description |
|---|---|
| Replication | Query parts are replicated, executed multiple times. See Replication. |
| Fragmentation | Query parts are replicated, but each copy retrieves a part of the incoming data stream. See Fragmentation. |
Allocation
| Strategy name | Description | ||
|---|---|---|---|
direct | All query parts are assigned to the specified OdysseusNode.
| ||
querycount | Query parts are assigned to nodes with the least count of queries. | ||
roundrobin | Query parts are assigned in order. | ||
user | Query parts are assigned to user-specified nodes. |