---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3081 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.6M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 5814 7342 9 18935 25776 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:74:a0:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.208/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84960sec preferred_lft 84960sec inet6 fe80::f816:3eff:fe74:a01c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:63:c1:3e:38:51 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::9463:c1ff:fe3e:3851/64 scope link valid_lft forever preferred_lft forever 78: br-468df0837edd: mtu 1500 qdisc noqueue state UP group default link/ether 46:4a:ca:8e:77:f0 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-468df0837edd valid_lft forever preferred_lft forever inet6 fe80::444a:caff:fe8e:77f0/64 scope link valid_lft forever preferred_lft forever 85: veth7b30221@if2: mtu 1500 qdisc noqueue master br-468df0837edd state UP group default link/ether 8e:1b:c1:20:6c:e1 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::8c1b:c1ff:fe20:6ce1/64 scope link valid_lft forever preferred_lft forever 86: veth553c572@if2: mtu 1500 qdisc noqueue master br-468df0837edd state UP group default link/ether 0e:33:33:f0:ad:2c brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::c33:33ff:fef0:ad2c/64 scope link valid_lft forever preferred_lft forever 87: vethe2db512@if2: mtu 1500 qdisc noqueue master br-468df0837edd state UP group default link/ether b6:57:09:57:0c:8d brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::b457:9ff:fe57:c8d/64 scope link valid_lft forever preferred_lft forever 88: veth55a1be1@if2: mtu 1500 qdisc noqueue master br-468df0837edd state UP group default link/ether aa:8d:39:db:83:00 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::a88d:39ff:fedb:8300/64 scope link valid_lft forever preferred_lft forever 89: veth172eaf3@if2: mtu 1500 qdisc noqueue master br-468df0837edd state UP group default link/ether 4e:01:c1:ab:06:c1 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::4c01:c1ff:feab:6c1/64 scope link valid_lft forever preferred_lft forever 93: vethd40986b@if2: mtu 1500 qdisc noqueue master br-468df0837edd state UP group default link/ether ee:e7:b4:a2:2d:2a brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::ece7:b4ff:fea2:2d2a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3081) 03/19/26 _x86_64_ (8 CPU) 11:49:01 LINUX RESTART (8 CPU) 11:50:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:16 802.38 4.69 760.76 36.93 306.87 69595.50 593107.24 12:10:01 10.65 0.33 9.97 0.35 7.11 416.65 6671.27 Average: 403.98 2.50 382.97 18.52 156.03 34784.76 298013.15 11:50:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:16 2689184 21436908 10716032 32.61 618684 17214048 16473244 48.58 3320924 23167588 276 12:10:01 1208760 20035136 12115732 36.87 620424 17285328 17685488 52.15 3365448 24578152 780 Average: 1948972 20736022 11415882 34.74 619554 17249688 17079366 50.37 3343186 23872870 528 11:50:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:16 lo 1.19 1.19 0.20 0.20 0.00 0.00 0.00 0.00 12:00:16 ens3 430.31 285.37 5754.29 61.72 0.00 0.00 0.00 0.00 12:00:16 docker0 26.54 46.66 1.54 665.65 0.00 0.00 0.00 0.00 12:00:16 br-468df0837edd 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 12:00:16 veth7b30221 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 12:00:16 veth553c572 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 12:00:16 vethe2db512 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:00:16 veth55a1be1 0.31 0.35 0.03 0.12 0.00 0.00 0.00 0.00 12:00:16 veth172eaf3 7.86 7.78 5.02 1.46 0.00 0.00 0.00 0.00 12:00:16 vethd40986b 2.26 2.20 0.36 1.11 0.00 0.00 0.00 0.00 12:00:16 vethb4375a9 0.04 0.08 0.01 0.01 0.00 0.00 0.00 0.00 12:00:16 veth53e0f0d 0.95 0.81 0.13 0.93 0.00 0.00 0.00 0.00 12:10:01 lo 6.19 6.19 28.52 28.52 0.00 0.00 0.00 0.00 12:10:01 ens3 10.58 7.74 3.60 3.72 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 br-468df0837edd 3.40 3.28 27.81 0.77 0.00 0.00 0.00 0.00 12:10:01 veth7b30221 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 veth553c572 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 vethe2db512 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 12:10:01 veth55a1be1 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 12:10:01 veth172eaf3 265.63 285.56 200.23 134.03 0.00 0.00 0.00 0.02 12:10:01 vethd40986b 134.13 124.58 105.09 69.94 0.00 0.00 0.00 0.01 12:10:01 veth53e0f0d 159.17 148.11 72.82 134.29 0.00 0.00 0.00 0.01 Average: lo 3.71 3.71 14.45 14.45 0.00 0.00 0.00 0.00 Average: ens3 219.10 145.67 2860.55 32.53 0.00 0.00 0.00 0.00 Average: docker0 13.19 23.18 0.76 330.70 0.00 0.00 0.00 0.00 Average: br-468df0837edd 1.86 1.79 14.00 0.40 0.00 0.00 0.00 0.00 Average: veth7b30221 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth553c572 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe2db512 0.14 0.17 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth55a1be1 0.35 0.27 0.05 0.23 0.00 0.00 0.00 0.00 Average: veth172eaf3 137.57 147.56 103.25 68.17 0.00 0.00 0.00 0.01 Average: vethd40986b 68.62 63.78 53.06 35.75 0.00 0.00 0.00 0.00 Average: veth53e0f0d 80.57 74.93 36.70 68.04 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3081) 03/19/26 _x86_64_ (8 CPU) 11:49:01 LINUX RESTART (8 CPU) 11:50:38 CPU %user %nice %system %iowait %steal %idle 12:00:16 all 37.75 0.02 5.17 1.46 0.10 55.50 12:00:16 0 36.93 0.02 4.86 1.19 0.10 56.91 12:00:16 1 36.92 0.01 5.15 1.24 0.09 56.58 12:00:16 2 39.10 0.02 5.18 1.58 0.11 54.00 12:00:16 3 38.37 0.04 5.31 1.22 0.10 54.96 12:00:16 4 37.05 0.03 5.58 1.32 0.10 55.92 12:00:16 5 38.21 0.01 4.90 2.58 0.10 54.20 12:00:16 6 37.97 0.02 5.14 1.29 0.10 55.49 12:00:16 7 37.49 0.03 5.21 1.27 0.10 55.90 12:10:01 all 7.99 0.00 1.10 0.03 0.07 90.80 12:10:01 0 7.96 0.00 1.15 0.04 0.07 90.76 12:10:01 1 8.30 0.00 1.21 0.02 0.07 90.39 12:10:01 2 8.62 0.00 1.12 0.03 0.07 90.16 12:10:01 3 7.26 0.00 1.14 0.04 0.08 91.48 12:10:01 4 7.21 0.00 1.07 0.05 0.07 91.61 12:10:01 5 8.52 0.00 1.10 0.02 0.07 90.28 12:10:01 6 7.42 0.00 0.98 0.01 0.07 91.53 12:10:01 7 8.63 0.00 1.06 0.04 0.08 90.19 Average: all 22.79 0.01 3.12 0.74 0.08 73.25 Average: 0 22.37 0.01 3.00 0.61 0.08 73.92 Average: 1 22.54 0.01 3.17 0.63 0.08 73.57 Average: 2 23.77 0.01 3.14 0.80 0.09 72.19 Average: 3 22.74 0.02 3.22 0.62 0.09 73.32 Average: 4 22.04 0.01 3.31 0.68 0.08 73.86 Average: 5 23.28 0.01 2.99 1.29 0.09 72.35 Average: 6 22.61 0.01 3.05 0.65 0.08 73.61 Average: 7 22.97 0.01 3.12 0.65 0.09 73.15