---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2891 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 1.1M 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 868 16491 4 14732 30755 Swap: 1023 1 1022 ---> 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:ed:5a:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.169/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84343sec preferred_lft 84343sec inet6 fe80::f816:3eff:feed:5ad6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:e4:38:d3:3a:75 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::88e4:38ff:fed3:3a75/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2891) 10/18/26 _x86_64_ (8 CPU) 14:59:12 LINUX RESTART (8 CPU) 15:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:00 588.97 5.13 543.55 40.30 345.47 57793.54 635027.15 15:20:00 112.97 0.23 107.35 5.39 3.68 19060.12 29091.35 15:30:04 50.77 0.41 45.28 5.08 13.83 7651.58 23707.65 Average: 250.03 1.91 231.25 16.87 120.45 28087.38 228285.69 15:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:00 11548768 27622388 4591136 13.97 539196 14797296 4897672 14.44 4146428 15611700 40080 15:20:00 1403940 21591380 10558692 32.13 590456 18695088 16853552 49.70 5036244 22745744 268 15:30:04 2619888 18025868 13389564 40.74 572340 14713212 21880028 64.52 4875744 21646224 10860 Average: 5190865 22413212 9513131 28.95 567331 16068532 14543751 42.89 4686139 20001223 17069 15:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:00 lo 2.51 2.51 0.69 0.69 0.00 0.00 0.00 0.00 15:10:00 ens3 460.00 278.79 4851.08 83.03 0.00 0.00 0.00 0.00 15:10:00 docker0 29.53 54.05 2.12 735.44 0.00 0.00 0.00 0.00 15:10:00 vethc75ad37 0.75 1.24 0.05 32.18 0.00 0.00 0.00 0.00 15:20:00 lo 0.43 0.43 0.03 0.03 0.00 0.00 0.00 0.00 15:20:00 ens3 76.24 43.45 1477.82 7.27 0.00 0.00 0.00 0.00 15:20:00 docker0 8.38 12.58 0.47 141.06 0.00 0.00 0.00 0.00 15:20:00 br-b825ba42a984 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 15:20:00 veth19d811d 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:20:00 vethd22b44f 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:20:00 veth5a29ce0 66.55 70.25 36.12 36.92 0.00 0.00 0.00 0.00 15:20:00 veth3a1a6f7 0.46 0.41 0.06 0.26 0.00 0.00 0.00 0.00 15:20:00 veth43a8750 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 15:20:00 vethf50b38b 66.20 61.97 49.36 32.96 0.00 0.00 0.00 0.00 15:20:00 veth783b60e 0.97 1.80 1.25 13.40 0.00 0.00 0.00 0.00 15:20:00 veth56ab095 2.15 1.71 0.30 1.72 0.00 0.00 0.00 0.00 15:30:04 lo 80.93 80.93 376.27 376.27 0.00 0.00 0.00 0.00 15:30:04 ens3 9.82 9.02 32.61 1.73 0.00 0.00 0.00 0.00 15:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:04 br-b825ba42a984 65.30 73.69 90.00 321.65 0.00 0.00 0.00 0.00 15:30:04 veth19d811d 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 15:30:04 vethd22b44f 36.30 34.92 320.21 80.35 0.00 0.00 0.00 0.03 15:30:04 veth5a29ce0 104.77 109.76 77.14 49.37 0.00 0.00 0.00 0.01 15:30:04 veth3a1a6f7 21.53 22.94 80.14 68.44 0.00 0.00 0.00 0.01 15:30:04 veth43a8750 84.92 93.82 90.98 637.88 0.00 0.00 0.00 0.05 15:30:04 vethf50b38b 65.55 60.19 85.48 39.40 0.00 0.00 0.00 0.01 15:30:04 veth56ab095 54.59 54.50 33.01 42.28 0.00 0.00 0.00 0.00 Average: lo 28.08 28.08 126.27 126.27 0.00 0.00 0.00 0.00 Average: ens3 181.30 109.98 2112.72 30.54 0.00 0.00 0.00 0.00 Average: docker0 12.59 22.12 0.86 290.98 0.00 0.00 0.00 0.00 Average: br-b825ba42a984 21.97 24.77 30.15 107.74 0.00 0.00 0.00 0.00 Average: veth19d811d 0.04 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethd22b44f 12.17 11.74 107.25 26.91 0.00 0.00 0.00 0.01 Average: veth5a29ce0 57.28 60.18 37.88 28.84 0.00 0.00 0.00 0.00 Average: veth3a1a6f7 7.36 7.82 26.86 23.01 0.00 0.00 0.00 0.00 Average: veth43a8750 28.45 31.46 30.47 213.65 0.00 0.00 0.00 0.02 Average: vethf50b38b 44.02 40.82 45.08 24.19 0.00 0.00 0.00 0.00 Average: veth56ab095 19.00 18.82 11.16 14.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2891) 10/18/26 _x86_64_ (8 CPU) 14:59:12 LINUX RESTART (8 CPU) 15:00:02 CPU %user %nice %system %iowait %steal %idle 15:10:00 all 41.37 0.00 5.66 1.12 0.03 51.83 15:10:00 0 40.76 0.00 5.90 1.02 0.03 52.29 15:10:00 1 40.68 0.00 5.76 1.08 0.03 52.45 15:10:00 2 43.25 0.00 6.12 1.34 0.03 49.26 15:10:00 3 41.72 0.00 6.08 1.21 0.03 50.96 15:10:00 4 39.54 0.00 5.83 1.29 0.02 53.32 15:10:00 5 41.73 0.00 5.20 1.13 0.02 51.92 15:10:00 6 40.96 0.00 5.15 1.05 0.03 52.81 15:10:00 7 42.29 0.00 5.23 0.86 0.03 51.59 15:20:00 all 10.69 0.03 2.29 0.46 0.01 86.51 15:20:00 0 9.67 0.02 2.73 0.31 0.01 87.26 15:20:00 1 10.28 0.03 2.11 0.48 0.01 87.10 15:20:00 2 10.61 0.03 2.28 0.40 0.01 86.67 15:20:00 3 10.35 0.02 2.18 0.76 0.01 86.68 15:20:00 4 11.65 0.04 2.34 0.43 0.01 85.53 15:20:00 5 10.99 0.03 2.26 0.53 0.01 86.18 15:20:00 6 10.97 0.03 2.21 0.22 0.01 86.56 15:20:00 7 11.03 0.02 2.22 0.61 0.01 86.11 15:30:04 all 26.46 0.01 5.58 0.18 0.02 67.75 15:30:04 0 25.43 0.01 6.82 0.14 0.03 67.58 15:30:04 1 25.86 0.01 6.14 0.17 0.02 67.80 15:30:04 2 27.09 0.01 5.70 0.25 0.03 66.93 15:30:04 3 26.27 0.01 5.38 0.23 0.02 68.09 15:30:04 4 27.27 0.01 5.16 0.14 0.02 67.40 15:30:04 5 26.96 0.01 5.22 0.19 0.02 67.60 15:30:04 6 26.15 0.01 5.19 0.20 0.03 68.42 15:30:04 7 26.67 0.01 4.98 0.16 0.02 68.16 Average: all 26.15 0.01 4.51 0.59 0.02 68.72 Average: 0 25.25 0.01 5.16 0.49 0.02 69.07 Average: 1 25.59 0.01 4.67 0.57 0.02 69.14 Average: 2 26.95 0.01 4.70 0.66 0.02 67.65 Average: 3 26.09 0.01 4.55 0.73 0.02 68.61 Average: 4 26.12 0.02 4.44 0.62 0.02 68.78 Average: 5 26.55 0.01 4.23 0.61 0.02 68.58 Average: 6 26.01 0.01 4.18 0.49 0.02 69.29 Average: 7 26.63 0.01 4.14 0.54 0.02 68.65