---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3109 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: 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 131G 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 850 16556 4 14685 30773 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:a0:03:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.81/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84485sec preferred_lft 84485sec inet6 fe80::f816:3eff:fea0:304/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:d9:91:34:38:35 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::40d9:91ff:fe34:3835/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3109) 10/19/26 _x86_64_ (8 CPU) 07:33:31 LINUX RESTART (8 CPU) 07:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:23 265.31 0.65 251.49 13.17 30.34 48690.24 53497.58 08:00:36 51.97 0.87 46.36 4.74 25.70 8187.60 18361.81 Average: 159.45 0.76 149.71 8.99 28.04 28593.09 36063.44 07:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:23 1719848 21580960 10570116 32.16 591660 18382912 16951144 49.99 4889656 22604364 1476 08:00:36 1413448 16829152 14404392 43.83 574624 14905888 24189512 71.33 4813684 22905140 13788 Average: 1566648 19205056 12487254 38.00 583142 16644400 20570328 60.66 4851670 22754752 7632 07:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:23 lo 2.22 2.22 0.63 0.63 0.00 0.00 0.00 0.00 07:50:23 ens3 305.72 166.77 3131.73 61.22 0.00 0.00 0.00 0.00 07:50:23 docker0 24.05 47.45 1.78 709.70 0.00 0.00 0.00 0.00 07:50:23 br-978d84bc9794 0.26 0.24 0.01 0.02 0.00 0.00 0.00 0.00 07:50:23 veth376bcd7 34.72 35.34 12.49 14.80 0.00 0.00 0.00 0.00 07:50:23 veth5dc4206 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:50:23 veth0f32513 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:50:23 veth2595e18 0.18 0.21 0.02 0.11 0.00 0.00 0.00 0.00 07:50:23 vethe0acd6a 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 07:50:23 vethc98851b 30.71 29.68 19.10 9.39 0.00 0.00 0.00 0.00 07:50:23 veth492ffa5 0.47 0.80 0.61 5.35 0.00 0.00 0.00 0.00 07:50:23 veth85130d8 0.94 0.80 0.13 0.92 0.00 0.00 0.00 0.00 08:00:36 lo 67.94 67.94 308.35 308.35 0.00 0.00 0.00 0.00 08:00:36 ens3 11.44 9.27 30.74 3.42 0.00 0.00 0.00 0.00 08:00:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:36 br-978d84bc9794 58.20 66.74 79.42 261.24 0.00 0.00 0.00 0.00 08:00:36 veth376bcd7 120.26 126.97 91.91 63.94 0.00 0.00 0.00 0.01 08:00:36 veth5dc4206 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 08:00:36 veth0f32513 31.69 30.42 276.97 70.17 0.00 0.00 0.00 0.02 08:00:36 veth2595e18 18.65 19.90 69.98 60.86 0.00 0.00 0.00 0.01 08:00:36 vethe0acd6a 75.41 84.36 80.11 534.77 0.00 0.00 0.00 0.04 08:00:36 vethc98851b 88.69 81.37 104.79 55.59 0.00 0.00 0.00 0.01 08:00:36 veth85130d8 48.53 48.34 28.54 40.91 0.00 0.00 0.00 0.00 Average: lo 34.83 34.83 153.32 153.32 0.00 0.00 0.00 0.00 Average: ens3 159.70 88.62 1593.04 32.54 0.00 0.00 0.00 0.00 Average: docker0 12.12 23.91 0.90 357.55 0.00 0.00 0.00 0.00 Average: br-978d84bc9794 29.01 33.24 39.41 129.64 0.00 0.00 0.00 0.00 Average: veth376bcd7 77.17 80.80 51.90 39.18 0.00 0.00 0.00 0.00 Average: veth5dc4206 0.06 0.11 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth0f32513 15.74 15.15 137.43 34.82 0.00 0.00 0.00 0.01 Average: veth2595e18 9.35 9.98 34.73 30.25 0.00 0.00 0.00 0.00 Average: vethe0acd6a 37.43 41.91 39.75 265.35 0.00 0.00 0.00 0.02 Average: vethc98851b 59.48 55.33 61.62 32.31 0.00 0.00 0.00 0.01 Average: veth85130d8 24.55 24.39 14.23 20.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3109) 10/19/26 _x86_64_ (8 CPU) 07:33:31 LINUX RESTART (8 CPU) 07:40:01 CPU %user %nice %system %iowait %steal %idle 07:50:23 all 25.58 0.03 4.34 1.39 0.02 68.64 07:50:23 0 23.44 0.04 4.80 1.64 0.02 70.07 07:50:23 1 26.68 0.02 4.29 1.06 0.02 67.93 07:50:23 2 25.59 0.02 4.47 2.23 0.02 67.66 07:50:23 3 26.09 0.01 4.45 0.98 0.02 68.44 07:50:23 4 24.15 0.01 4.17 1.46 0.02 70.19 07:50:23 5 26.97 0.03 4.54 1.68 0.02 66.75 07:50:23 6 27.04 0.03 4.10 1.21 0.02 67.60 07:50:23 7 24.64 0.04 3.90 0.88 0.02 70.51 08:00:36 all 21.72 0.01 4.57 0.21 0.02 73.47 08:00:36 0 21.89 0.00 5.65 0.19 0.02 72.25 08:00:36 1 21.31 0.01 5.34 0.18 0.01 73.15 08:00:36 2 21.18 0.01 4.65 0.20 0.02 73.94 08:00:36 3 21.62 0.01 4.42 0.21 0.01 73.72 08:00:36 4 20.82 0.02 4.22 0.24 0.02 74.68 08:00:36 5 21.75 0.00 4.09 0.18 0.01 73.96 08:00:36 6 22.24 0.00 4.20 0.29 0.02 73.25 08:00:36 7 22.95 0.00 3.98 0.22 0.02 72.82 Average: all 23.66 0.02 4.46 0.81 0.02 71.04 Average: 0 22.67 0.02 5.22 0.92 0.02 71.15 Average: 1 24.01 0.01 4.81 0.62 0.02 70.52 Average: 2 23.40 0.02 4.56 1.22 0.02 70.78 Average: 3 23.87 0.01 4.44 0.60 0.02 71.06 Average: 4 22.50 0.02 4.19 0.86 0.02 72.42 Average: 5 24.38 0.02 4.32 0.94 0.02 70.33 Average: 6 24.66 0.02 4.15 0.75 0.02 70.40 Average: 7 23.80 0.02 3.94 0.55 0.02 71.66