14.1.2 Relationships among threads used by the adbexport command

The adbexport command uses processing real threads in the following processing:

1. Retrieving table data

   One or more processing real threads are used.

2. Outputting retrieval results

   One or more processing real threads are used.

3. Outputting the progress of command processing

   One processing real thread is used.

Steps 1 to 3 are performed at the same time.

The following figure shows the processing of the adbexport command using processing real threads. The preceding numbers correspond to the numbers in the figure.

Figure 14‒2: Processing of the adbexport command using processing real threads

The number of processing real threads used by the adbexport command for each step is automatically calculated from the number of processing real threads to be used by the adbexport command. For details about the number of processing real threads to be used by the adbexport command, see the description of the adb_export_rthd_num export option in (a) Options related to performance in (2) Explanation of specification format in 14.2.2 Format of export options.

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