---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-46955 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 17G 139G 11% / 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 733 19687 4 11671 30890 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:ab:8b:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84360sec preferred_lft 84360sec inet6 fe80::f816:3eff:feab:8b78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:c8:e1:64:a5:59 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::d0c8:e1ff:fe64:a559/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-46955) 09/03/26 _x86_64_ (8 CPU) 00:00:36 LINUX RESTART (8 CPU) 00:10:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 13.15 0.31 12.35 0.48 13.05 9642.39 138.73 00:30:02 33.12 2.01 30.03 1.08 317.52 15241.96 2020.97 Average: 23.36 1.18 21.39 0.79 168.72 12505.25 1101.05 00:10:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 22115980 29124068 3173396 9.66 169612 6959276 3327364 9.81 1688656 8499288 191156 00:30:02 20232480 31685616 589120 1.79 226968 11155648 1470084 4.34 2902952 8902180 64 Average: 21174230 30404842 1881258 5.72 198290 9057462 2398724 7.07 2295804 8700734 95610 00:10:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 1.72 1.72 0.17 0.17 0.00 0.00 0.00 0.00 00:20:01 ens3 47.41 42.55 129.97 13.32 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:02 lo 283.53 283.53 276.88 276.88 0.00 0.00 0.00 0.00 00:30:02 ens3 92.09 86.25 335.06 1185.46 0.00 0.00 0.00 0.00 00:30:02 docker0 60.78 57.22 1177.15 7.96 0.00 0.00 0.00 0.00 00:30:02 veth0f24f55 60.78 57.23 1177.98 7.96 0.00 0.00 0.00 0.10 Average: lo 145.80 145.80 141.64 141.64 0.00 0.00 0.00 0.00 Average: ens3 70.25 64.90 234.83 612.59 0.00 0.00 0.00 0.00 Average: docker0 31.08 29.25 601.83 4.07 0.00 0.00 0.00 0.00 Average: veth0f24f55 31.07 29.26 602.26 4.07 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-46955) 09/03/26 _x86_64_ (8 CPU) 00:00:36 LINUX RESTART (8 CPU) 00:10:27 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 31.35 0.00 1.48 0.07 0.01 67.09 00:20:01 0 32.86 0.00 1.46 0.07 0.01 65.60 00:20:01 1 33.36 0.00 1.47 0.08 0.01 65.07 00:20:01 2 30.58 0.00 1.54 0.01 0.01 67.86 00:20:01 3 37.22 0.00 1.65 0.05 0.02 61.06 00:20:01 4 28.57 0.00 1.32 0.07 0.01 70.03 00:20:01 5 28.22 0.00 1.40 0.03 0.01 70.34 00:20:01 6 28.59 0.00 1.54 0.10 0.01 69.75 00:20:01 7 31.37 0.00 1.46 0.17 0.01 66.99 00:30:02 all 9.41 0.00 1.21 0.16 0.01 89.21 00:30:02 0 8.76 0.00 0.95 0.12 0.01 90.15 00:30:02 1 9.48 0.00 1.30 0.22 0.01 88.99 00:30:02 2 7.46 0.00 1.02 0.12 0.01 91.39 00:30:02 3 12.13 0.00 2.10 0.03 0.02 85.72 00:30:02 4 14.11 0.00 1.55 0.30 0.01 84.03 00:30:02 5 7.85 0.00 1.01 0.30 0.01 90.84 00:30:02 6 8.93 0.00 0.99 0.10 0.01 89.96 00:30:02 7 6.53 0.00 0.75 0.10 0.00 92.62 Average: all 20.13 0.00 1.34 0.12 0.01 78.40 Average: 0 20.54 0.00 1.20 0.10 0.01 78.15 Average: 1 21.15 0.00 1.38 0.15 0.01 77.30 Average: 2 18.76 0.00 1.28 0.06 0.01 79.89 Average: 3 24.39 0.00 1.88 0.04 0.02 73.68 Average: 4 21.15 0.00 1.43 0.19 0.01 77.21 Average: 5 17.82 0.00 1.20 0.17 0.01 80.81 Average: 6 18.54 0.00 1.26 0.10 0.01 80.09 Average: 7 18.66 0.00 1.10 0.13 0.01 80.10