---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9327 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 66G 16% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 707 8738 4 6542 14938 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:5d:fa:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84159sec preferred_lft 84159sec inet6 fe80::f816:3eff:fe5d:fa4d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:35:6f:5a:7d:98 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-4c-4g-9327) 09/18/26 _x86_64_ (4 CPU) 10:23:29 LINUX RESTART (4 CPU) 10:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:01 18.68 0.06 16.51 2.10 6.12 1871.14 8457.59 10:50:10 30.58 0.03 27.53 3.02 0.78 4300.53 12729.04 11:00:02 10.45 0.20 9.10 1.15 13.47 6121.43 1600.39 Average: 20.00 0.10 17.80 2.10 6.73 4088.67 7647.19 10:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:01 9367464 13132864 2823636 17.25 143544 3728636 3001920 17.23 701844 5897032 18916 10:50:10 7675216 12449488 3502552 21.39 165856 4671224 3506352 20.13 983228 7262636 2296 11:00:02 9036776 15378868 567508 3.47 182448 6170720 1081432 6.21 1586960 5208516 12872 Average: 8693152 13653740 2297899 14.03 163949 4856860 2529901 14.52 1090677 6122728 11361 10:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:01 lo 988.13 988.13 934.96 934.96 0.00 0.00 0.00 0.00 10:40:01 ens3 32.37 27.09 21.69 9.60 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:10 lo 1257.55 1257.55 1197.01 1197.01 0.00 0.00 0.00 0.00 10:50:10 ens3 39.63 32.20 39.16 12.01 0.00 0.00 0.00 0.00 10:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:02 lo 372.82 372.82 6934.31 6934.31 0.00 0.00 0.00 0.00 11:00:02 ens3 87.26 96.10 125.40 1033.29 0.00 0.00 0.00 0.00 11:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 876.94 876.94 2995.06 2995.06 0.00 0.00 0.00 0.00 Average: ens3 52.86 51.49 61.68 346.83 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-4c-4g-9327) 09/18/26 _x86_64_ (4 CPU) 10:23:29 LINUX RESTART (4 CPU) 10:30:00 CPU %user %nice %system %iowait %steal %idle 10:40:01 all 66.51 0.00 2.33 0.07 0.16 30.94 10:40:01 0 67.79 0.00 2.50 0.02 0.14 29.54 10:40:01 1 63.65 0.00 2.18 0.04 0.16 33.97 10:40:01 2 67.71 0.00 2.37 0.12 0.16 29.65 10:40:01 3 66.87 0.00 2.26 0.09 0.17 30.61 10:50:10 all 61.76 0.00 2.73 0.20 0.13 35.18 10:50:10 0 59.54 0.00 2.71 0.16 0.13 37.46 10:50:10 1 61.88 0.00 2.78 0.24 0.13 34.97 10:50:10 2 60.60 0.00 2.76 0.34 0.13 36.17 10:50:10 3 65.03 0.00 2.68 0.06 0.13 32.11 11:00:02 all 27.89 0.00 1.15 0.15 0.08 70.73 11:00:02 0 24.83 0.00 1.27 0.09 0.07 73.74 11:00:02 1 34.00 0.00 0.98 0.02 0.08 64.92 11:00:02 2 30.40 0.00 1.04 0.06 0.09 68.41 11:00:02 3 22.34 0.00 1.29 0.42 0.09 75.86 Average: all 52.21 0.00 2.08 0.14 0.12 45.45 Average: 0 50.85 0.00 2.17 0.09 0.12 46.77 Average: 1 53.31 0.00 1.99 0.10 0.12 44.48 Average: 2 53.05 0.00 2.07 0.18 0.12 44.58 Average: 3 51.63 0.00 2.08 0.19 0.13 45.97