Emil, thaks for reply!
>> with one of this modules (don't remember which one): Intel SFP+ SR
>> FTLX8571D3BCV-IT or Intel SFP+ SR AFBR-703SDZ-IN2
> If the issue is only seen with specific module, then it would help to know
> the exact model.
>
I have three servers with 82599 NICs (two with 82599EB and one with
82599ES) in one data-centre, all with the same behavior.
>> When OUTbount traffic up to ~9800 Mbit/s INbound traffic appear packet loss
>> up to 30%
>
> From the stats, some of the counters that maybe related to the packet loss:
>
>
>> rx_no_dma_resources: 68
>
> Because this counter increments, but xoff counters are 0, I'm guessing you
> don't have flow control enabled. This basically means that the driver has no
> free Rx descriptors in the receive queue.
>
Just enable ethtool -A eth0 rx on tx on
>> fdir_overflow: 1424
>
> You have many sessions which exceed the space allocated for Fdir filters. You
> can try and
> increase it using the FdirPballoc parameter.
and increase FdirPballoc
Now I have such options:
options ixgbe RSS=8 DCA=2 LLIPort=80 allow_unsupported_sfp=1 FdirPballoc=3
The problem remained :(
# ethtool -S eth0
NIC statistics:
rx_packets: 972736971
tx_packets: 1865515980
rx_bytes: 64005762502
tx_bytes: 2766323187073
rx_errors: 0
tx_errors: 0
rx_dropped: 0
tx_dropped: 0
multicast: 0
collisions: 0
rx_over_errors: 0
rx_crc_errors: 0
rx_frame_errors: 0
rx_fifo_errors: 0
rx_missed_errors: 0
tx_aborted_errors: 0
tx_carrier_errors: 0
tx_fifo_errors: 0
tx_heartbeat_errors: 0
rx_pkts_nic: 974547072
tx_pkts_nic: 1865516226
rx_bytes_nic: 68023417722
tx_bytes_nic: 2773790730040
lsc_int: 1
tx_busy: 0
non_eop_descs: 1347490
broadcast: 2
rx_no_buffer_count: 0
tx_timeout_count: 0
tx_restart_queue: 736659
rx_long_length_errors: 0
rx_short_length_errors: 0
tx_flow_control_xon: 0
rx_flow_control_xon: 0
tx_flow_control_xoff: 0
rx_flow_control_xoff: 0
rx_csum_offload_errors: 406
alloc_rx_page_failed: 0
alloc_rx_buff_failed: 0
lro_aggregated: 0
lro_flushed: 0
rx_no_dma_resources: 0
hw_rsc_aggregated: 2111693
hw_rsc_flushed: 301702
fdir_match: 944903293
fdir_miss: 40190470
fdir_overflow: 154
fcoe_bad_fccrc: 0
fcoe_last_errors: 0
rx_fcoe_dropped: 0
rx_fcoe_packets: 0
rx_fcoe_dwords: 0
fcoe_noddp: 0
fcoe_noddp_ext_buff: 0
tx_fcoe_packets: 0
tx_fcoe_dwords: 0
os2bmc_rx_by_bmc: 0
os2bmc_tx_by_bmc: 0
os2bmc_tx_by_host: 0
os2bmc_rx_by_host: 0
tx_queue_0_packets: 244899986
tx_queue_0_bytes: 363257216156
tx_queue_1_packets: 230084630
tx_queue_1_bytes: 341037892491
tx_queue_2_packets: 217439632
tx_queue_2_bytes: 322574469559
tx_queue_3_packets: 206443452
tx_queue_3_bytes: 305564703891
tx_queue_4_packets: 248086435
tx_queue_4_bytes: 368356205816
tx_queue_5_packets: 221384977
tx_queue_5_bytes: 328056353080
tx_queue_6_packets: 268586514
tx_queue_6_bytes: 398482855806
tx_queue_7_packets: 228590528
tx_queue_7_bytes: 338993746122
tx_queue_8_packets: 0
tx_queue_8_bytes: 0
tx_queue_9_packets: 0
tx_queue_9_bytes: 0
tx_queue_10_packets: 0
tx_queue_10_bytes: 0
tx_queue_11_packets: 0
tx_queue_11_bytes: 0
tx_queue_12_packets: 0
tx_queue_12_bytes: 0
tx_queue_13_packets: 0
tx_queue_13_bytes: 0
tx_queue_14_packets: 0
tx_queue_14_bytes: 0
tx_queue_15_packets: 0
tx_queue_15_bytes: 0
tx_queue_16_packets: 0
tx_queue_16_bytes: 0
tx_queue_17_packets: 0
tx_queue_17_bytes: 0
tx_queue_18_packets: 0
tx_queue_18_bytes: 0
tx_queue_19_packets: 0
tx_queue_19_bytes: 0
tx_queue_20_packets: 0
tx_queue_20_bytes: 0
tx_queue_21_packets: 0
tx_queue_21_bytes: 0
tx_queue_22_packets: 0
tx_queue_22_bytes: 0
tx_queue_23_packets: 0
tx_queue_23_bytes: 0
tx_queue_24_packets: 0
tx_queue_24_bytes: 0
tx_queue_25_packets: 0
tx_queue_25_bytes: 0
tx_queue_26_packets: 0
tx_queue_26_bytes: 0
tx_queue_27_packets: 0
tx_queue_27_bytes: 0
tx_queue_28_packets: 0
tx_queue_28_bytes: 0
tx_queue_29_packets: 0
tx_queue_29_bytes: 0
tx_queue_30_packets: 0
tx_queue_30_bytes: 0
tx_queue_31_packets: 0
tx_queue_31_bytes: 0
tx_queue_32_packets: 0
tx_queue_32_bytes: 0
tx_queue_33_packets: 0
tx_queue_33_bytes: 0
tx_queue_34_packets: 0
tx_queue_34_bytes: 0
tx_queue_35_packets: 0
tx_queue_35_bytes: 0
tx_queue_36_packets: 0
tx_queue_36_bytes: 0
tx_queue_37_packets: 0
tx_queue_37_bytes: 0
tx_queue_38_packets: 0
tx_queue_38_bytes: 0
tx_queue_39_packets: 0
tx_queue_39_bytes: 0
tx_queue_40_packets: 0
tx_queue_40_bytes: 0
tx_queue_41_packets: 0
tx_queue_41_bytes: 0
tx_queue_42_packets: 0
tx_queue_42_bytes: 0
tx_queue_43_packets: 0
tx_queue_43_bytes: 0
tx_queue_44_packets: 0
tx_queue_44_bytes: 0
tx_queue_45_packets: 0
tx_queue_45_bytes: 0
tx_queue_46_packets: 0
tx_queue_46_bytes: 0
tx_queue_47_packets: 0
tx_queue_47_bytes: 0
tx_queue_48_packets: 0
tx_queue_48_bytes: 0
tx_queue_49_packets: 0
tx_queue_49_bytes: 0
tx_queue_50_packets: 0
tx_queue_50_bytes: 0
tx_queue_51_packets: 0
tx_queue_51_bytes: 0
tx_queue_52_packets: 0
tx_queue_52_bytes: 0
tx_queue_53_packets: 0
tx_queue_53_bytes: 0
tx_queue_54_packets: 0
tx_queue_54_bytes: 0
tx_queue_55_packets: 0
tx_queue_55_bytes: 0
tx_queue_56_packets: 0
tx_queue_56_bytes: 0
tx_queue_57_packets: 0
tx_queue_57_bytes: 0
tx_queue_58_packets: 0
tx_queue_58_bytes: 0
tx_queue_59_packets: 0
tx_queue_59_bytes: 0
tx_queue_60_packets: 0
tx_queue_60_bytes: 0
tx_queue_61_packets: 0
tx_queue_61_bytes: 0
tx_queue_62_packets: 0
tx_queue_62_bytes: 0
tx_queue_63_packets: 0
tx_queue_63_bytes: 0
tx_queue_64_packets: 0
tx_queue_64_bytes: 0
tx_queue_65_packets: 0
tx_queue_65_bytes: 0
tx_queue_66_packets: 0
tx_queue_66_bytes: 0
tx_queue_67_packets: 0
tx_queue_67_bytes: 0
tx_queue_68_packets: 0
tx_queue_68_bytes: 0
tx_queue_69_packets: 0
tx_queue_69_bytes: 0
tx_queue_70_packets: 0
tx_queue_70_bytes: 0
rx_queue_0_packets: 127384700
rx_queue_0_bytes: 8384076654
rx_queue_1_packets: 120057342
rx_queue_1_bytes: 8155875181
rx_queue_2_packets: 112516273
rx_queue_2_bytes: 7549047541
rx_queue_3_packets: 108752514
rx_queue_3_bytes: 7286667326
rx_queue_4_packets: 129902998
rx_queue_4_bytes: 8398422359
rx_queue_5_packets: 115901101
rx_queue_5_bytes: 7547135080
rx_queue_6_packets: 139763521
rx_queue_6_bytes: 8990268495
rx_queue_7_packets: 118458599
rx_queue_7_bytes: 7694275280
rx_queue_8_packets: 0
rx_queue_8_bytes: 0
rx_queue_9_packets: 0
rx_queue_9_bytes: 0
rx_queue_10_packets: 0
rx_queue_10_bytes: 0
rx_queue_11_packets: 0
rx_queue_11_bytes: 0
rx_queue_12_packets: 0
rx_queue_12_bytes: 0
rx_queue_13_packets: 0
rx_queue_13_bytes: 0
rx_queue_14_packets: 0
rx_queue_14_bytes: 0
rx_queue_15_packets: 0
rx_queue_15_bytes: 0
rx_queue_16_packets: 0
rx_queue_16_bytes: 0
rx_queue_17_packets: 0
rx_queue_17_bytes: 0
rx_queue_18_packets: 0
rx_queue_18_bytes: 0
rx_queue_19_packets: 0
rx_queue_19_bytes: 0
rx_queue_20_packets: 0
rx_queue_20_bytes: 0
rx_queue_21_packets: 0
rx_queue_21_bytes: 0
rx_queue_22_packets: 0
rx_queue_22_bytes: 0
rx_queue_23_packets: 0
rx_queue_23_bytes: 0
rx_queue_24_packets: 0
rx_queue_24_bytes: 0
rx_queue_25_packets: 0
rx_queue_25_bytes: 0
rx_queue_26_packets: 0
rx_queue_26_bytes: 0
rx_queue_27_packets: 0
rx_queue_27_bytes: 0
rx_queue_28_packets: 0
rx_queue_28_bytes: 0
rx_queue_29_packets: 0
rx_queue_29_bytes: 0
rx_queue_30_packets: 0
rx_queue_30_bytes: 0
rx_queue_31_packets: 0
rx_queue_31_bytes: 0
rx_queue_32_packets: 0
rx_queue_32_bytes: 0
rx_queue_33_packets: 0
rx_queue_33_bytes: 0
rx_queue_34_packets: 0
rx_queue_34_bytes: 0
rx_queue_35_packets: 0
rx_queue_35_bytes: 0
rx_queue_36_packets: 0
rx_queue_36_bytes: 0
rx_queue_37_packets: 0
rx_queue_37_bytes: 0
rx_queue_38_packets: 0
rx_queue_38_bytes: 0
rx_queue_39_packets: 0
rx_queue_39_bytes: 0
rx_queue_40_packets: 0
rx_queue_40_bytes: 0
rx_queue_41_packets: 0
rx_queue_41_bytes: 0
rx_queue_42_packets: 0
rx_queue_42_bytes: 0
rx_queue_43_packets: 0
rx_queue_43_bytes: 0
rx_queue_44_packets: 0
rx_queue_44_bytes: 0
rx_queue_45_packets: 0
rx_queue_45_bytes: 0
rx_queue_46_packets: 0
rx_queue_46_bytes: 0
rx_queue_47_packets: 0
rx_queue_47_bytes: 0
rx_queue_48_packets: 0
rx_queue_48_bytes: 0
rx_queue_49_packets: 0
rx_queue_49_bytes: 0
rx_queue_50_packets: 0
rx_queue_50_bytes: 0
rx_queue_51_packets: 0
rx_queue_51_bytes: 0
rx_queue_52_packets: 0
rx_queue_52_bytes: 0
rx_queue_53_packets: 0
rx_queue_53_bytes: 0
rx_queue_54_packets: 0
rx_queue_54_bytes: 0
rx_queue_55_packets: 0
rx_queue_55_bytes: 0
rx_queue_56_packets: 0
rx_queue_56_bytes: 0
rx_queue_57_packets: 0
rx_queue_57_bytes: 0
rx_queue_58_packets: 0
rx_queue_58_bytes: 0
rx_queue_59_packets: 0
rx_queue_59_bytes: 0
rx_queue_60_packets: 0
rx_queue_60_bytes: 0
rx_queue_61_packets: 0
rx_queue_61_bytes: 0
rx_queue_62_packets: 0
rx_queue_62_bytes: 0
rx_queue_63_packets: 0
rx_queue_63_bytes: 0
rx_queue_64_packets: 0
rx_queue_64_bytes: 0
rx_queue_65_packets: 0
rx_queue_65_bytes: 0
rx_queue_66_packets: 0
rx_queue_66_bytes: 0
rx_queue_67_packets: 0
rx_queue_67_bytes: 0
rx_queue_68_packets: 0
rx_queue_68_bytes: 0
rx_queue_69_packets: 0
rx_queue_69_bytes: 0
rx_queue_70_packets: 0
rx_queue_70_bytes: 0
tx_pb_0_pxon: 0
tx_pb_0_pxoff: 0
tx_pb_1_pxon: 0
tx_pb_1_pxoff: 0
tx_pb_2_pxon: 0
tx_pb_2_pxoff: 0
tx_pb_3_pxon: 0
tx_pb_3_pxoff: 0
tx_pb_4_pxon: 0
tx_pb_4_pxoff: 0
tx_pb_5_pxon: 0
tx_pb_5_pxoff: 0
tx_pb_6_pxon: 0
tx_pb_6_pxoff: 0
tx_pb_7_pxon: 0
tx_pb_7_pxoff: 0
rx_pb_0_pxon: 0
rx_pb_0_pxoff: 0
rx_pb_1_pxon: 0
rx_pb_1_pxoff: 0
rx_pb_2_pxon: 0
rx_pb_2_pxoff: 0
rx_pb_3_pxon: 0
rx_pb_3_pxoff: 0
rx_pb_4_pxon: 0
rx_pb_4_pxoff: 0
rx_pb_5_pxon: 0
rx_pb_5_pxoff: 0
rx_pb_6_pxon: 0
rx_pb_6_pxoff: 0
rx_pb_7_pxon: 0
rx_pb_7_pxoff: 0
# ethtool -k eth0
Features for eth0:
rx-checksumming: on
tx-checksumming: on
tx-checksum-ipv4: on
tx-checksum-unneeded: off [fixed]
tx-checksum-ip-generic: off [fixed]
tx-checksum-ipv6: on
tx-checksum-fcoe-crc: on [fixed]
tx-checksum-sctp: on
scatter-gather: on
tx-scatter-gather: on
tx-scatter-gather-fraglist: off [fixed]
tcp-segmentation-offload: on
tx-tcp-segmentation: on
tx-tcp-ecn-segmentation: off [fixed]
tx-tcp6-segmentation: on
udp-fragmentation-offload: off [fixed]
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: on
rx-vlan-offload: on
tx-vlan-offload: on
ntuple-filters: off
receive-hashing: on
highdma: on [fixed]
rx-vlan-filter: on [fixed]
vlan-challenged: off [fixed]
tx-lockless: off [fixed]
netns-local: off [fixed]
tx-gso-robust: off [fixed]
tx-fcoe-segmentation: on [fixed]
fcoe-mtu: off [fixed]
tx-nocache-copy: on
loopback: off [fixed]
# ethtool -c eth0
Coalesce parameters for eth0:
Adaptive RX: off TX: off
stats-block-usecs: 0
sample-interval: 0
pkt-rate-low: 0
pkt-rate-high: 0
rx-usecs: 1
rx-frames: 0
rx-usecs-irq: 0
rx-frames-irq: 0
tx-usecs: 0
tx-frames: 0
tx-usecs-irq: 0
tx-frames-irq: 256
rx-usecs-low: 0
rx-frame-low: 0
tx-usecs-low: 0
tx-frame-low: 0
rx-usecs-high: 0
rx-frame-high: 0
tx-usecs-high: 0
tx-frame-high: 0
# ethtool -a eth0
Pause parameters for eth0:
Autonegotiate: off
RX: on
TX: on
# ethtool -i eth0
driver: ixgbe
version: 3.21.2
firmware-version: 0x61ae0001
bus-info: 0000:07:00.1
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no
# ethtool -l eth0
Channel parameters for eth0:
Pre-set maximums:
RX: 0
TX: 0
Other: 1
Combined: 63
Current hardware settings:
RX: 0
TX: 0
Other: 1
Combined: 8
# ethtool -n eth0
8 RX rings available
Total 0 rules
# ethtool -g eth0
Ring parameters for eth0:
Pre-set maximums:
RX: 4096
RX Mini: 0
RX Jumbo: 0
TX: 4096
Current hardware settings:
RX: 512
RX Mini: 0
RX Jumbo: 0
TX: 512
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