---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2633 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 23G 133G 15% / 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 895 13967 4 17229 30728 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:7a:e0:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.46/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84309sec preferred_lft 84309sec inet6 fe80::f816:3eff:fe7a:e0e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:76:f4:1f:8e:85 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::8076:f4ff:fe1f:8e85/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2633) 10/17/26 _x86_64_ (8 CPU) 20:49:41 LINUX RESTART (8 CPU) 20:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:22 510.29 13.79 459.49 37.01 1738.26 45318.49 504137.32 21:10:15 13.44 0.24 12.08 1.13 3.04 2137.85 1279.29 21:20:22 27.29 0.11 24.34 2.84 15.74 7078.47 24876.10 Average: 187.71 4.82 168.94 13.95 599.80 18529.14 180853.50 20:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:22 16834504 27116016 5121060 15.58 489916 9274532 7168708 21.14 2682044 12080260 14412 21:10:15 14202868 25064404 7163036 21.80 509976 9779828 11897588 35.08 2923208 14377792 5784 21:20:22 12643852 25309368 6914752 21.04 523916 11511084 7845188 23.13 3330596 15484156 3164 Average: 14560408 25829929 6399616 19.47 507936 10188481 8970495 26.45 2978616 13980736 7787 20:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:22 lo 3.18 3.18 1.09 1.09 0.00 0.00 0.00 0.00 21:00:22 ens3 498.21 355.46 3845.46 615.95 0.00 0.00 0.00 0.00 21:00:22 docker0 15.36 22.38 0.88 259.04 0.00 0.00 0.00 0.00 21:10:15 lo 6.42 6.42 1.05 1.05 0.00 0.00 0.00 0.00 21:10:15 ens3 142.73 110.95 186.14 192.69 0.00 0.00 0.00 0.00 21:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:22 lo 2.03 2.03 0.31 0.31 0.00 0.00 0.00 0.00 21:20:22 ens3 79.08 39.85 467.88 188.83 0.00 0.00 0.00 0.00 21:20:22 docker0 0.42 0.41 0.14 0.07 0.00 0.00 0.00 0.00 21:20:22 veth0ce37f8 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 21:20:22 veth45da463 0.13 0.14 0.01 0.03 0.00 0.00 0.00 0.00 Average: lo 3.85 3.85 0.82 0.82 0.00 0.00 0.00 0.00 Average: ens3 242.90 170.75 1529.57 335.93 0.00 0.00 0.00 0.00 Average: docker0 5.38 7.78 0.35 88.48 0.00 0.00 0.00 0.00 Average: veth0ce37f8 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth45da463 0.04 0.05 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2633) 10/17/26 _x86_64_ (8 CPU) 20:49:41 LINUX RESTART (8 CPU) 20:50:00 CPU %user %nice %system %iowait %steal %idle 21:00:22 all 52.04 0.00 5.13 0.79 0.03 42.02 21:00:22 0 50.52 0.00 5.00 0.81 0.03 43.63 21:00:22 1 51.37 0.00 5.11 0.70 0.03 42.80 21:00:22 2 52.56 0.00 5.08 1.01 0.02 41.33 21:00:22 3 50.98 0.00 5.14 0.66 0.03 43.19 21:00:22 4 52.24 0.00 5.00 0.91 0.03 41.83 21:00:22 5 52.53 0.00 5.03 0.72 0.02 41.69 21:00:22 6 52.55 0.00 5.57 0.83 0.03 41.02 21:00:22 7 53.54 0.00 5.12 0.63 0.03 40.68 21:10:15 all 83.14 0.00 2.97 0.01 0.03 13.85 21:10:15 0 81.23 0.00 2.83 0.00 0.04 15.91 21:10:15 1 88.65 0.00 2.70 0.01 0.04 8.59 21:10:15 2 81.31 0.00 3.12 0.02 0.02 15.54 21:10:15 3 82.84 0.00 2.88 0.00 0.03 14.25 21:10:15 4 82.75 0.00 3.04 0.01 0.05 14.15 21:10:15 5 83.19 0.00 3.09 0.01 0.02 13.69 21:10:15 6 81.75 0.00 2.98 0.00 0.04 15.23 21:10:15 7 83.41 0.00 3.10 0.00 0.02 13.47 21:20:22 all 92.79 0.00 3.41 0.05 0.03 3.72 21:20:22 0 91.56 0.00 3.52 0.01 0.04 4.87 21:20:22 1 93.41 0.00 3.40 0.03 0.03 3.13 21:20:22 2 93.77 0.00 3.32 0.06 0.04 2.81 21:20:22 3 92.03 0.00 3.75 0.00 0.03 4.19 21:20:22 4 93.54 0.00 3.24 0.06 0.05 3.11 21:20:22 5 93.21 0.00 3.60 0.21 0.02 2.96 21:20:22 6 93.18 0.00 3.26 0.03 0.02 3.51 21:20:22 7 91.62 0.00 3.15 0.00 0.03 5.21 Average: all 75.78 0.00 3.85 0.29 0.03 20.05 Average: 0 74.21 0.00 3.80 0.28 0.03 21.67 Average: 1 77.54 0.00 3.75 0.25 0.03 18.42 Average: 2 75.68 0.00 3.85 0.37 0.02 20.07 Average: 3 75.08 0.00 3.94 0.23 0.03 20.73 Average: 4 75.98 0.00 3.77 0.33 0.04 19.88 Average: 5 76.11 0.00 3.92 0.32 0.02 19.63 Average: 6 75.64 0.00 3.95 0.29 0.03 20.08 Average: 7 76.00 0.00 3.80 0.22 0.03 19.96