diff --git a/modules/ddl-and-loading/pages/running-a-loading-job.adoc b/modules/ddl-and-loading/pages/running-a-loading-job.adoc index 9d798cb6..fa4b6108 100644 --- a/modules/ddl-and-loading/pages/running-a-loading-job.adoc +++ b/modules/ddl-and-loading/pages/running-a-loading-job.adoc @@ -132,9 +132,22 @@ However, if the `USING` clause is omitted, then the entire loading job will be r * If a `filepath_string` is given, it overrides the `filepath_string` defined in the loading job. If a particular `filevar` is not assigned a `filepath_string` either in the loading job or in the `RUN LOADING JOB` statement, then an error is reported and the job exits. +[NOTE] +==== +When loading local files in a cluster, you can specify which nodes participate in loading by using one of the following formats: + +* `file` or `file:any` loads from any node where the file is available (default behavior). +* `file:all` requires the file to be available on every node. +* `file:` (for example, `file:m1`) loads from a specific node. +* `file:\|\|` allows loading from any of the listed nodes. + +Choosing the appropriate node specification helps distribute loading across cluster nodes for improved parallel loading. +==== + ==== `CONCURRENCY` The `CONCURRENCY` parameter sets the maximum number of concurrent requests that the loading job may send to the GPE. The default is 256. +Increasing `CONCURRENCY` can improve loading throughput. In a cluster, you can also increase parallelism by distributing file loading across multiple nodes using the appropriate local file specification (`file:any`, `file:all`, `file:`, or `file:\|\|`). ==== `BATCH_SIZE`