---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5172 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 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 854 15361 4 15876 30769 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:aa:83:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.196/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84476sec preferred_lft 84476sec inet6 fe80::f816:3eff:feaa:8369/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:88:ec:ca:43:e6 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::8088:ecff:feca:43e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-5172) 09/25/26 _x86_64_ (8 CPU) 18:45:24 LINUX RESTART (8 CPU) 18:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:00:23 298.96 2.68 282.70 13.59 105.94 55441.43 144269.60 19:10:25 35.88 1.09 9.16 25.63 32.65 372.32 451582.43 Average: 166.93 1.88 145.42 19.63 69.16 27803.85 298500.93 18:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:00:23 304812 17901208 14250892 43.37 574068 16152460 20643932 60.88 4523976 24366944 220 19:10:25 270308 16554060 15598028 47.46 574248 14856604 21951728 64.73 4290104 24635872 828 Average: 287560 17227634 14924460 45.41 574158 15504532 21297830 62.80 4407040 24501408 524 18:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:00:23 lo 2.36 2.36 0.66 0.66 0.00 0.00 0.00 0.00 19:00:23 ens3 357.71 208.98 3708.85 70.22 0.00 0.00 0.00 0.00 19:00:23 docker0 27.23 51.75 2.00 763.55 0.00 0.00 0.00 0.00 19:00:23 br-71067567236a 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 19:00:23 veth276660a 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 19:00:23 vethf4962d6 0.19 0.24 0.02 0.01 0.00 0.00 0.00 0.00 19:00:23 veth0399021 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 19:00:23 veth4d54eab 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 19:00:23 veth5e75430 6.48 6.35 4.60 1.29 0.00 0.00 0.00 0.00 19:00:23 veth0e70935 1.02 0.94 0.12 0.94 0.00 0.00 0.00 0.00 19:00:23 veth6837ddb 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 19:00:23 vethd4d6e89 0.69 0.63 0.09 0.75 0.00 0.00 0.00 0.00 19:10:25 lo 5.33 5.33 23.58 23.58 0.00 0.00 0.00 0.00 19:10:25 ens3 13.37 9.54 5.45 5.21 0.00 0.00 0.00 0.00 19:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:25 br-71067567236a 2.91 2.76 22.93 0.69 0.00 0.00 0.00 0.00 19:10:25 veth276660a 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 19:10:25 vethf4962d6 0.49 0.30 0.07 0.42 0.00 0.00 0.00 0.00 19:10:25 veth0399021 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:25 veth4d54eab 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:25 veth5e75430 206.47 214.96 151.28 115.19 0.00 0.00 0.00 0.01 19:10:25 veth0e70935 125.13 116.13 95.92 64.32 0.00 0.00 0.00 0.01 19:10:25 vethd4d6e89 97.08 96.93 57.84 90.74 0.00 0.00 0.00 0.01 Average: lo 3.85 3.85 12.16 12.16 0.00 0.00 0.00 0.00 Average: ens3 184.90 108.89 1850.22 37.60 0.00 0.00 0.00 0.00 Average: docker0 13.56 25.78 1.00 380.35 0.00 0.00 0.00 0.00 Average: br-71067567236a 1.60 1.51 11.52 0.36 0.00 0.00 0.00 0.00 Average: veth276660a 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethf4962d6 0.34 0.27 0.05 0.22 0.00 0.00 0.00 0.00 Average: veth0399021 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth4d54eab 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth5e75430 106.85 111.04 78.22 58.45 0.00 0.00 0.00 0.01 Average: veth0e70935 63.31 58.75 48.20 32.75 0.00 0.00 0.00 0.00 Average: vethd4d6e89 49.07 48.96 29.07 45.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-5172) 09/25/26 _x86_64_ (8 CPU) 18:45:24 LINUX RESTART (8 CPU) 18:50:25 CPU %user %nice %system %iowait %steal %idle 19:00:23 all 31.76 0.03 4.58 1.04 0.02 62.58 19:00:23 0 31.24 0.03 4.93 1.18 0.02 62.60 19:00:23 1 32.19 0.01 4.54 0.89 0.02 62.35 19:00:23 2 33.61 0.02 4.90 1.00 0.02 60.45 19:00:23 3 30.41 0.03 4.44 0.75 0.01 64.37 19:00:23 4 30.65 0.04 4.49 1.24 0.02 63.57 19:00:23 5 31.29 0.03 4.78 1.20 0.02 62.69 19:00:23 6 32.43 0.05 4.45 1.12 0.02 61.94 19:00:23 7 32.28 0.04 4.09 0.92 0.01 62.66 19:10:25 all 7.45 0.00 1.38 0.06 0.01 91.11 19:10:25 0 8.08 0.00 1.88 0.09 0.01 89.93 19:10:25 1 7.30 0.00 1.58 0.02 0.01 91.09 19:10:25 2 6.01 0.00 1.28 0.03 0.01 92.68 19:10:25 3 7.16 0.00 1.28 0.01 0.01 91.53 19:10:25 4 7.99 0.00 1.34 0.13 0.01 90.53 19:10:25 5 7.46 0.00 1.20 0.11 0.01 91.21 19:10:25 6 7.52 0.00 1.24 0.02 0.01 91.20 19:10:25 7 8.05 0.00 1.25 0.03 0.01 90.66 Average: all 19.56 0.01 2.97 0.54 0.01 76.90 Average: 0 19.60 0.01 3.40 0.63 0.01 76.34 Average: 1 19.70 0.00 3.05 0.46 0.01 76.77 Average: 2 19.70 0.01 3.08 0.51 0.01 76.69 Average: 3 18.74 0.01 2.85 0.38 0.01 78.00 Average: 4 19.30 0.02 2.91 0.68 0.01 77.08 Average: 5 19.34 0.01 2.99 0.65 0.01 77.00 Average: 6 19.96 0.02 2.84 0.57 0.01 76.59 Average: 7 20.13 0.02 2.66 0.47 0.01 76.70