Dell EMC VxFlex Ready Node - Vxflex os Performance Parameters

VxFlex OS Performance Parameters
The following table describes all values for the v3.x “high_performance" and
"compact” profiles and is applicable to installations on all of the platforms discussed in
this document.
Compo
nent
New Name (CLI) Min
Value
Max
Value
Compa
ct
High
Perfor
mance
MDM mdm_net_alloc_rcv_buffer_wait_ms 100 10000 500 500
MDM mdm_net_break_do_io_loop 0 100 0 5
MDM mdm_number_sdc_receive_umt 1 100 5 5
MDM mdm_number_sds_receive_umt 1 100 20 20
MDM mdm_number_sds_send_umt 1 100 10 10
MDM mdm_number_sds_keepalive_receive
_umt
1 100 10 10
MDM mdm_sds_capacity_counters_update
_interval
1 120 1 1
MDM mdm_sds_capacity_counters_polling_
interval
1 120 5 5
MDM mdm_sds_volume_size_polling_interv
al
1 120 15 15
MDM mdm_sds_volume_size_polling_retry_
interval
1 120 5 5
MDM mdm_number_sds_tasks_umt 1 2048 1024 1536
MDM mdm_initial_sds_snapshot_capacity 1 10*1024 1024 1024
MDM mdm_sds_snapshot_capacity_chunk_
size
1 50*1024 5*1024 5*1024
MDM mdm_sds_snapshot_used_capacity_t
hreshold
1 99 50 50
MDM mdm_sds_snapshot_free_capacity_th
reshold
101 1000 200 200
SDS mdm_number_sockets_per_sds_ip 1 8 1 2
SDS mdm_sds_keepalive_time 2000 3600000 5000 5000
SDS sds_number_network_umt 2 16 4 8
SDS sds_tcp_send_buffer_size 4 128*1024 0
(dynami
c)
0
SDS sds_tcp_receive_buffer_size 4 128*1024 0
(dynami
c)
0
VxFlex OS performance fine-tuning
126 Dell EMC VxFlex Ready Node AMS User Guide