---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4290 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 26G 130G 17% / 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 7051 6108 94 18931 24455 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:e6:38:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.5/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84493sec preferred_lft 84493sec inet6 fe80::f816:3eff:fee6:38a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:a8:f7:56:81:d0 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::b8a8:f7ff:fe56:81d0/64 scope link valid_lft forever preferred_lft forever 98: br-bfc780d4e515: mtu 1500 qdisc noqueue state UP group default link/ether 5e:df:c7:65:a2:8f brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-bfc780d4e515 valid_lft forever preferred_lft forever inet6 fe80::5cdf:c7ff:fe65:a28f/64 scope link valid_lft forever preferred_lft forever 99: veth835d6a8@if2: mtu 1500 qdisc noqueue master br-bfc780d4e515 state UP group default link/ether 96:e6:a6:09:f7:16 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::94e6:a6ff:fe09:f716/64 scope link valid_lft forever preferred_lft forever 100: vethdaf0e16@if2: mtu 1500 qdisc noqueue master br-bfc780d4e515 state UP group default link/ether 0a:bc:bc:36:08:02 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::8bc:bcff:fe36:802/64 scope link valid_lft forever preferred_lft forever 101: veth2d16836@if2: mtu 1500 qdisc noqueue master br-bfc780d4e515 state UP group default link/ether ba:ac:fa:e3:20:b1 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::b8ac:faff:fee3:20b1/64 scope link valid_lft forever preferred_lft forever 102: veth8c74d4e@if2: mtu 1500 qdisc noqueue master br-bfc780d4e515 state UP group default link/ether 52:7c:74:b8:86:16 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::507c:74ff:feb8:8616/64 scope link valid_lft forever preferred_lft forever 103: veth657426d@if2: mtu 1500 qdisc noqueue master br-bfc780d4e515 state UP group default link/ether e6:f0:62:3b:92:da brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::e4f0:62ff:fe3b:92da/64 scope link valid_lft forever preferred_lft forever 107: veth617f39a@if2: mtu 1500 qdisc noqueue master br-bfc780d4e515 state UP group default link/ether 66:a3:14:b5:8a:38 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::64a3:14ff:feb5:8a38/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4290) 04/07/26 _x86_64_ (8 CPU) 05:52:52 LINUX RESTART (8 CPU) 06:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:10:11 219.64 0.33 209.93 9.38 15.13 38000.61 63921.24 06:20:01 27.84 0.78 24.57 2.49 26.16 4032.40 26418.13 Average: 125.27 0.56 118.73 5.99 20.56 21287.93 45469.36 06:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:10:11 1893888 21132440 11022652 33.54 594928 17775540 16649836 49.10 4698172 22593264 952 06:20:01 424896 19175516 12868724 39.16 576852 17406452 18781892 55.39 4809188 23935112 10920 Average: 1159392 20153978 11945688 36.35 585890 17590996 17715864 52.24 4753680 23264188 5936 06:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:10:11 lo 0.57 0.57 0.07 0.07 0.00 0.00 0.00 0.00 06:10:11 ens3 139.60 93.83 1823.61 21.99 0.00 0.00 0.00 0.00 06:10:11 docker0 16.67 30.40 0.94 544.50 0.00 0.00 0.00 0.00 06:10:11 br-bfc780d4e515 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 06:10:11 veth835d6a8 0.41 0.40 0.05 0.21 0.00 0.00 0.00 0.00 06:10:11 vethdaf0e16 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 06:10:11 veth2d16836 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 06:10:11 veth8c74d4e 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 06:10:11 veth657426d 45.93 47.42 17.36 21.84 0.00 0.00 0.00 0.00 06:10:11 veth617f39a 42.98 41.12 29.65 14.04 0.00 0.00 0.00 0.00 06:10:11 vethc091985 0.66 1.16 0.76 8.78 0.00 0.00 0.00 0.00 06:10:11 veth2f8d697 1.67 1.35 0.23 1.38 0.00 0.00 0.00 0.00 06:20:01 lo 24.79 24.79 86.49 86.49 0.00 0.00 0.00 0.00 06:20:01 ens3 11.72 10.27 32.74 2.61 0.00 0.00 0.00 0.00 06:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:01 br-bfc780d4e515 20.09 22.95 17.04 101.47 0.00 0.00 0.00 0.00 06:20:01 veth835d6a8 13.83 11.63 127.81 47.31 0.00 0.00 0.00 0.01 06:20:01 vethdaf0e16 21.16 23.09 237.63 128.22 0.00 0.00 0.00 0.02 06:20:01 veth2d16836 32.40 35.67 16.94 337.16 0.00 0.00 0.00 0.03 06:20:01 veth8c74d4e 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 06:20:01 veth657426d 93.54 101.47 66.63 42.76 0.00 0.00 0.00 0.01 06:20:01 veth617f39a 58.46 53.95 74.79 31.48 0.00 0.00 0.00 0.01 06:20:01 veth2f8d697 49.92 46.14 20.99 37.92 0.00 0.00 0.00 0.00 Average: lo 12.49 12.49 42.59 42.59 0.00 0.00 0.00 0.00 Average: ens3 76.68 52.72 942.48 12.46 0.00 0.00 0.00 0.00 Average: docker0 8.47 15.44 0.48 276.60 0.00 0.00 0.00 0.00 Average: br-bfc780d4e515 10.03 11.42 8.39 49.93 0.00 0.00 0.00 0.00 Average: veth835d6a8 7.01 5.92 62.91 23.38 0.00 0.00 0.00 0.01 Average: vethdaf0e16 10.43 11.42 116.92 63.09 0.00 0.00 0.00 0.01 Average: veth2d16836 15.95 17.61 8.33 165.89 0.00 0.00 0.00 0.01 Average: veth8c74d4e 0.07 0.11 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth657426d 69.35 74.01 41.60 32.13 0.00 0.00 0.00 0.00 Average: veth617f39a 50.60 47.43 51.85 22.62 0.00 0.00 0.00 0.00 Average: veth2f8d697 25.41 23.39 10.44 19.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4290) 04/07/26 _x86_64_ (8 CPU) 05:52:52 LINUX RESTART (8 CPU) 06:00:02 CPU %user %nice %system %iowait %steal %idle 06:10:11 all 14.55 0.02 2.43 0.63 0.07 82.30 06:10:11 0 16.84 0.02 2.61 0.98 0.07 79.49 06:10:11 1 16.22 0.02 2.35 0.54 0.07 80.79 06:10:11 2 14.82 0.02 2.40 0.53 0.07 82.17 06:10:11 3 14.34 0.05 2.38 0.39 0.07 82.77 06:10:11 4 12.97 0.01 2.37 0.53 0.06 84.06 06:10:11 5 13.89 0.02 2.58 0.66 0.06 82.79 06:10:11 6 13.18 0.01 2.49 0.55 0.07 83.70 06:10:11 7 14.12 0.01 2.30 0.89 0.06 82.63 06:20:01 all 10.59 0.01 1.89 0.12 0.08 87.32 06:20:01 0 10.32 0.01 1.88 0.23 0.08 87.49 06:20:01 1 11.65 0.01 2.05 0.13 0.08 86.07 06:20:01 2 10.26 0.00 1.96 0.07 0.08 87.63 06:20:01 3 10.68 0.00 1.66 0.18 0.07 87.40 06:20:01 4 10.47 0.01 1.95 0.08 0.08 87.41 06:20:01 5 10.13 0.01 1.86 0.08 0.08 87.85 06:20:01 6 10.67 0.00 1.92 0.05 0.08 87.28 06:20:01 7 10.51 0.00 1.85 0.13 0.08 87.41 Average: all 12.60 0.01 2.17 0.38 0.07 84.77 Average: 0 13.63 0.01 2.25 0.61 0.07 83.42 Average: 1 13.97 0.02 2.21 0.34 0.08 83.39 Average: 2 12.58 0.01 2.18 0.30 0.07 84.85 Average: 3 12.54 0.03 2.03 0.29 0.07 85.05 Average: 4 11.74 0.01 2.16 0.31 0.07 85.70 Average: 5 12.04 0.02 2.22 0.38 0.07 85.28 Average: 6 11.95 0.01 2.21 0.31 0.07 85.46 Average: 7 12.34 0.01 2.08 0.52 0.07 84.99