---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4461 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: 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 18G 138G 12% / 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 928 19585 4 11578 30695 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:5e:cc:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.18/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84716sec preferred_lft 84716sec inet6 fe80::f816:3eff:fe5e:cc7e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:2e:30:48:4f:61 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 ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-4461) 09/23/26 _x86_64_ (8 CPU) 13:23:11 LINUX RESTART (8 CPU) 13:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 14.32 0.59 12.69 1.05 14.15 2798.26 250.34 13:50:13 13.54 0.05 11.09 2.41 5.60 3322.38 15681.46 Average: 13.92 0.31 11.87 1.74 9.79 3065.79 8126.83 13:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 17704464 26832096 5410160 16.46 468968 8190684 10077556 29.72 1511312 12430812 1728 13:50:13 17739736 28315440 3922356 11.94 480640 9574948 3684432 10.86 1633888 12208780 610576 Average: 17722100 27573768 4666258 14.20 474804 8882816 6880994 20.29 1572600 12319796 306152 13:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 7.20 7.20 1.95 1.95 0.00 0.00 0.00 0.00 13:40:01 ens3 141.93 99.43 277.81 52.08 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:13 lo 1.02 1.02 0.11 0.11 0.00 0.00 0.00 0.00 13:50:13 ens3 122.00 76.58 165.53 42.53 0.00 0.00 0.00 0.00 13:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.05 4.05 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 131.75 87.77 220.49 47.20 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-4461) 09/23/26 _x86_64_ (8 CPU) 13:23:11 LINUX RESTART (8 CPU) 13:30:13 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 88.65 0.00 3.06 0.00 0.03 8.26 13:40:01 0 88.81 0.00 3.01 0.00 0.03 8.15 13:40:01 1 87.73 0.00 3.25 0.00 0.04 8.98 13:40:01 2 90.66 0.00 3.28 0.01 0.04 6.02 13:40:01 3 87.96 0.00 2.99 0.01 0.02 9.03 13:40:01 4 91.73 0.00 2.91 0.00 0.04 5.32 13:40:01 5 86.86 0.00 2.92 0.00 0.04 10.18 13:40:01 6 88.30 0.00 2.90 0.01 0.04 8.75 13:40:01 7 87.12 0.00 3.20 0.00 0.03 9.65 13:50:13 all 94.08 0.00 3.43 0.00 0.04 2.45 13:50:13 0 93.75 0.00 3.58 0.00 0.04 2.63 13:50:13 1 94.40 0.00 3.38 0.00 0.06 2.16 13:50:13 2 94.26 0.00 3.40 0.01 0.03 2.30 13:50:13 3 93.59 0.00 3.75 0.00 0.05 2.61 13:50:13 4 94.25 0.00 3.15 0.00 0.02 2.57 13:50:13 5 94.52 0.00 3.42 0.00 0.05 2.01 13:50:13 6 93.98 0.00 3.29 0.00 0.06 2.67 13:50:13 7 93.85 0.00 3.44 0.00 0.04 2.67 Average: all 91.42 0.00 3.25 0.00 0.04 5.29 Average: 0 91.33 0.00 3.30 0.00 0.04 5.33 Average: 1 91.14 0.00 3.32 0.00 0.05 5.50 Average: 2 92.50 0.00 3.34 0.01 0.03 4.12 Average: 3 90.83 0.00 3.37 0.01 0.04 5.75 Average: 4 93.02 0.00 3.03 0.00 0.03 3.92 Average: 5 90.77 0.00 3.17 0.00 0.05 6.01 Average: 6 91.20 0.00 3.10 0.00 0.05 5.64 Average: 7 90.56 0.00 3.32 0.00 0.04 6.08