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This setting was introduced in OneFS version 8.2, and it is used with small-file EDA workloads to speed up the delete operations. It performs asynchronous deletes to significantly improve the latencies involved in delete operations.
This setting would allow faster deletes for many EDA workloads resulting in improved user job performance.
By default, it is set to 1 which means it is disabled. Use the below command to check the current setting:
# sysctl efs.bam.async_delete_mode
For EDA environments where performance of small file deletes are of importance, then the setting the async_delete_mode to 2 is recommended.
# sysctl efs.bam.async_delete_mode=2