Adjusting Queues

Purpose

Unless otherwise specified, the single-queue (software queue) mode is recommended. In Spark performance tests, the single-queue mode usually delivers better performance.

Procedure

1. Add the following parameter to the kernel boot command line in the /etc/grub2-efi.cfg file and save the file.

   scsi_mod.use_blk_mq=0

   

2. Restart the operating system for the configuration to take effect.