我是3.2.0版本，为什么通过ds调datax任务，每次只能跑6个任务，并且采集很慢呢

[05jelly]

2024-05-16 11:12:27.445 [job-0] INFO StandAloneJobContainerCommunicator - Total 17760 records, 2467310 bytes | Speed 2.17KB/s, 16 records/s | Error 0 records, 0 bytes | All Task WaitWriterTime 0.008s | All Task WaitReaderTime 1,319.262s | Percentage 0.00%
[INFO] 2024-05-16 11:12:47.460 +0800 - ->
2024-05-16 11:12:47.446 [job-0] INFO StandAloneJobContainerCommunicator - Total 18016 records, 2502851 bytes | Speed 1.74KB/s, 12 records/s | Error 0 records, 0 bytes | All Task WaitWriterTime 0.008s | All Task WaitReaderTime 1,336.269s | Percentage 0.00%
[INFO] 2024-05-16 11:13:07.462 +0800 - ->
2024-05-16 11:13:07.447 [job-0] INFO StandAloneJobContainerCommunicator - Total 18304 records, 2542841 bytes | Speed 1.95KB/s, 14 records/s | Error 0 records, 0 bytes | All Task WaitWriterTime 0.008s | All Task WaitReaderTime 1,358.738s | Percentage 0.00%
[INFO] 2024-05-16 11:13:27.463 +0800 - ->
2024-05-16 11:13:27.448 [job-0] INFO StandAloneJobContainerCommunicator - Total 18592 records, 2582844 bytes | Speed 1.95KB/s, 14 records/s | Error 0 records, 0 bytes | All Task WaitWriterTime 0.008s | All Task WaitReaderTime 1,374.589s | Percentage 0.00%