new MixedCRUDWorkload(dbName, collectionNames, nThreads, mongosHosts, retryableWrites, docSize, numberDoc, shardCollections, writeLoadOnly)
Creates a MixedCRUDWorkload that can execute workload on the multiple collections and in separate threads.
Parameters:
| Name | Type | Description |
|---|---|---|
dbName |
String | The database name. |
collectionNames |
Array | The collection names. |
nThreads |
Number | The number of threads to run. Must be a multiple of 4 x collectionNames.length [x mongosHosts.length]. |
mongosHosts |
Array | The mongoses hosts if the workload should connect through multiple mongoses. |
retryableWrites |
Boolean | Whether to enable retryable writes. Defaults to false. |
docSize |
Number | The size in bytes of the documents in the workload. Defaults to 100. |
numberDoc |
Number | The number of documents to insert into the collection(s) during initialization. Defaults to 100,000. |
shardCollections |
Boolean | Indicates if, when the target cluster is sharded, the collections should be sharded. Defaults to true. |
writeLoadOnly |
Boolean | Indicates if only write load should be generated. Defaults to false. |
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Methods
initialize()
Initializes the collection(s) that are needed for the workload. Must be called before start().
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start()
Starts the workload.
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stop()
Stops the workload and returns a throughput object containing the throughput rates by operation (findOne, query, insert, update, delete) as well as the total.
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(inner) startLoad(ns, nThreads, targetHost)
Starts a workload for one collection on one host.
Parameters:
| Name | Type | Description |
|---|---|---|
ns |
String | The namespace (i.e. " |
nThreads |
Number | The number of threads to run. Must be a multiple of 4. |
targetHost |
String | The host to connect to. |
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