---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3102 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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: 5600.00 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 25G 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 855 15813 4 15423 30768 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:bb:75:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.248/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83579sec preferred_lft 83579sec inet6 fe80::f816:3eff:febb:7566/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:48:c3:a5:42:68 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::5848:c3ff:fea5:4268/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3102) 09/18/26 _x86_64_ (8 CPU) 15:43:05 LINUX RESTART (8 CPU) 15:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:01 182.29 0.55 173.87 7.87 23.91 42000.59 42968.93 16:10:01 30.00 1.00 27.07 1.94 43.39 4210.88 3596.88 16:20:02 9.71 0.09 9.22 0.40 2.18 1528.87 483.46 Average: 73.50 0.54 69.58 3.38 23.13 15794.16 15558.15 15:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:01 256412 19666260 12482008 37.98 568264 17967676 18970708 55.94 4795752 24114660 356 16:10:01 317788 16906908 14992180 45.62 563072 15434476 22983072 67.77 4574904 24256848 328 16:20:02 327576 16674248 15247932 46.40 562868 15171660 23234112 68.51 4507728 24327344 12292 Average: 300592 17749139 14240707 43.33 564735 16191271 21729297 64.08 4626128 24232951 4325 15:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 16:00:01 ens3 264.53 157.63 2299.00 63.96 0.00 0.00 0.00 0.00 16:00:01 docker0 20.94 45.00 1.17 608.93 0.00 0.00 0.00 0.00 16:00:01 br-4df751a9c16e 0.30 0.26 0.01 0.02 0.00 0.00 0.00 0.00 16:00:01 veth918acb7 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 16:00:01 veth0f33996 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 16:00:01 veth0604c8b 30.01 30.77 8.76 8.10 0.00 0.00 0.00 0.00 16:00:01 vethf73f91c 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 16:00:01 veth5b0730c 0.37 0.37 0.04 0.18 0.00 0.00 0.00 0.00 16:00:01 veth617c8c9 25.42 24.70 8.87 5.08 0.00 0.00 0.00 0.00 16:00:01 veth0b9337a 0.25 0.38 0.36 1.80 0.00 0.00 0.00 0.00 16:00:01 veth7db1bd5 1.44 1.18 0.19 1.23 0.00 0.00 0.00 0.00 16:10:01 lo 18.11 18.11 61.54 61.54 0.00 0.00 0.00 0.00 16:10:01 ens3 8.19 6.97 12.97 3.26 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 br-4df751a9c16e 14.96 17.36 11.85 61.47 0.00 0.00 0.00 0.00 16:10:01 veth918acb7 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 16:10:01 veth0f33996 24.13 26.65 10.80 233.46 0.00 0.00 0.00 0.02 16:10:01 veth0604c8b 107.83 117.02 74.43 55.46 0.00 0.00 0.00 0.01 16:10:01 vethf73f91c 16.41 16.35 173.52 46.30 0.00 0.00 0.00 0.01 16:10:01 veth5b0730c 9.01 8.78 45.95 17.11 0.00 0.00 0.00 0.00 16:10:01 veth617c8c9 74.83 68.94 65.74 39.12 0.00 0.00 0.00 0.01 16:10:01 veth7db1bd5 48.37 44.65 20.43 38.10 0.00 0.00 0.00 0.00 16:20:02 lo 34.02 34.02 166.12 166.12 0.00 0.00 0.00 0.00 16:20:02 ens3 1.03 0.84 0.34 0.68 0.00 0.00 0.00 0.00 16:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:02 br-4df751a9c16e 25.61 31.63 32.11 135.72 0.00 0.00 0.00 0.00 16:20:02 veth918acb7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:02 veth0f33996 29.61 35.43 31.94 154.97 0.00 0.00 0.00 0.01 16:20:02 veth0604c8b 71.06 78.23 60.64 28.08 0.00 0.00 0.00 0.00 16:20:02 vethf73f91c 8.59 7.74 20.83 5.18 0.00 0.00 0.00 0.00 16:20:02 veth5b0730c 7.26 8.05 5.67 20.34 0.00 0.00 0.00 0.00 16:20:02 veth617c8c9 40.93 37.96 30.67 23.41 0.00 0.00 0.00 0.00 16:20:02 veth7db1bd5 42.83 38.89 18.70 39.73 0.00 0.00 0.00 0.00 Average: lo 17.64 17.64 76.30 76.30 0.00 0.00 0.00 0.00 Average: ens3 90.46 54.68 763.86 22.45 0.00 0.00 0.00 0.00 Average: docker0 6.92 14.86 0.39 201.14 0.00 0.00 0.00 0.00 Average: br-4df751a9c16e 13.69 16.50 14.73 66.07 0.00 0.00 0.00 0.00 Average: veth918acb7 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth0f33996 18.01 20.83 14.32 130.02 0.00 0.00 0.00 0.01 Average: veth0604c8b 69.79 75.52 48.12 30.64 0.00 0.00 0.00 0.00 Average: vethf73f91c 8.38 8.11 64.99 17.22 0.00 0.00 0.00 0.01 Average: veth5b0730c 5.57 5.76 17.27 12.60 0.00 0.00 0.00 0.00 Average: veth617c8c9 47.14 43.94 35.19 22.60 0.00 0.00 0.00 0.00 Average: veth7db1bd5 31.01 28.36 13.17 26.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3102) 09/18/26 _x86_64_ (8 CPU) 15:43:05 LINUX RESTART (8 CPU) 15:50:09 CPU %user %nice %system %iowait %steal %idle 16:00:01 all 17.49 0.02 2.92 0.98 0.06 78.53 16:00:01 0 17.50 0.02 2.99 0.88 0.06 78.55 16:00:01 1 16.75 0.01 2.84 0.99 0.06 79.34 16:00:01 2 15.63 0.03 2.83 1.06 0.06 80.39 16:00:01 3 18.93 0.03 3.21 0.98 0.06 76.79 16:00:01 4 17.50 0.02 2.74 0.71 0.06 78.96 16:00:01 5 16.62 0.02 2.81 1.52 0.07 78.96 16:00:01 6 17.81 0.02 3.00 1.25 0.07 77.86 16:00:01 7 19.22 0.03 2.92 0.43 0.06 77.34 16:10:01 all 10.19 0.01 2.32 0.16 0.07 87.24 16:10:01 0 10.27 0.00 3.14 0.18 0.07 86.34 16:10:01 1 11.06 0.02 2.69 0.27 0.07 85.88 16:10:01 2 10.98 0.00 2.41 0.16 0.07 86.38 16:10:01 3 9.71 0.01 2.17 0.16 0.07 87.87 16:10:01 4 9.26 0.01 2.01 0.19 0.08 88.46 16:10:01 5 9.99 0.00 2.00 0.10 0.07 87.84 16:10:01 6 9.89 0.01 2.14 0.14 0.08 87.74 16:10:01 7 10.36 0.02 2.02 0.09 0.07 87.43 16:20:02 all 8.80 0.00 2.48 0.04 0.10 88.58 16:20:02 0 8.31 0.00 3.38 0.02 0.09 88.20 16:20:02 1 8.98 0.00 2.83 0.05 0.10 88.04 16:20:02 2 9.28 0.00 2.49 0.02 0.10 88.12 16:20:02 3 9.07 0.00 2.37 0.04 0.09 88.43 16:20:02 4 8.50 0.00 2.35 0.04 0.11 89.00 16:20:02 5 8.16 0.00 2.10 0.04 0.09 89.61 16:20:02 6 9.24 0.00 2.17 0.03 0.09 88.47 16:20:02 7 8.87 0.00 2.19 0.06 0.09 88.78 Average: all 12.14 0.01 2.57 0.39 0.08 84.81 Average: 0 11.99 0.01 3.17 0.36 0.08 84.40 Average: 1 12.24 0.01 2.79 0.44 0.08 84.44 Average: 2 11.94 0.01 2.57 0.41 0.08 84.99 Average: 3 12.54 0.01 2.58 0.39 0.07 84.40 Average: 4 11.73 0.01 2.37 0.31 0.08 85.50 Average: 5 11.57 0.01 2.30 0.55 0.08 85.50 Average: 6 12.29 0.01 2.43 0.47 0.08 84.72 Average: 7 12.79 0.02 2.38 0.19 0.08 84.55