Dell EMC VxFlex Ready Node, User Manual

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Users will achieve optimum performance by always setting the performance profile to
high_performance. A complete list of parameters comparing the Default and the
high_performance profiles is available in the "Performance Parameters".
VxFlex OS system changes
This section describes the various system changes available for enhancing VxFlex OS
performance.
Using the set_performance_parameters utility for MDM and SDS
New installation procedures have been instituted from v2.x and later that eliminate
many of the manual tasks involved with performance tuning VxFlex OS.
The following table describes the commands for specific tasks:
Task Command
To view current settings Execute the
command:
scli –-
query_performan
ce_parameters
Default is High_performance. If otherwise, execute the command to
change to High_performance Execute the
command:
scli --
set_performance
_parameters
--all_sds --
all_sdc --
apply_to_mdm --
profile
high_performanc
e
To change the profile back to compact Execute the
command:
scli --
set_performance
_parameters
--all_sds --
all_sdc --
apply_to_mdm --
profile compact
To view full parameter settings for an MDM Execute the
command:
scli --
query_performan
ce_parameters
--print_all
VxFlex OS performance fine-tuning
Dell EMC VxFlex Ready Node AMS User Guide 113