---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-63266 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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: 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: 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 12G 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 692 8921 4 6375 14953 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:c6:d7:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84371sec preferred_lft 84371sec inet6 fe80::f816:3eff:fec6:d705/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:1b:0d:cb:0e:93 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-63266) 10/10/26 _x86_64_ (4 CPU) 03:22:23 LINUX RESTART (4 CPU) 03:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:40:00 28.18 0.02 24.96 3.21 0.31 2184.86 10744.49 03:50:00 21.23 0.02 19.37 1.84 0.47 3759.28 9654.41 Average: 24.71 0.02 22.16 2.52 0.39 2972.05 10199.46 03:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:00 8734344 12763568 3191636 19.49 147488 3984120 3458188 19.85 797624 6434768 37652 03:50:00 7896680 12833992 3117692 19.04 160028 4840644 3505856 20.12 1050256 6966280 1752 Average: 8315512 12798780 3154664 19.27 153758 4412382 3482022 19.99 923940 6700524 19702 03:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:00 lo 1680.48 1680.48 1598.54 1598.54 0.00 0.00 0.00 0.00 03:40:00 ens3 44.64 33.91 18.88 13.33 0.00 0.00 0.00 0.00 03:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:00 lo 776.75 776.75 732.37 732.37 0.00 0.00 0.00 0.00 03:50:00 ens3 29.79 23.42 26.06 9.67 0.00 0.00 0.00 0.00 03:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1228.63 1228.63 1165.47 1165.47 0.00 0.00 0.00 0.00 Average: ens3 37.22 28.67 22.47 11.50 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-63266) 10/10/26 _x86_64_ (4 CPU) 03:22:23 LINUX RESTART (4 CPU) 03:30:00 CPU %user %nice %system %iowait %steal %idle 03:40:00 all 63.33 0.00 2.73 0.45 0.02 33.47 03:40:00 0 62.18 0.00 2.80 0.26 0.02 34.74 03:40:00 1 62.48 0.00 2.53 0.30 0.02 34.68 03:40:00 2 64.93 0.00 2.89 0.56 0.02 31.60 03:40:00 3 63.74 0.00 2.69 0.69 0.02 32.86 03:50:00 all 39.75 0.00 1.90 0.11 0.01 58.22 03:50:00 0 38.70 0.00 1.97 0.10 0.02 59.21 03:50:00 1 39.70 0.00 2.07 0.17 0.01 58.05 03:50:00 2 41.86 0.00 1.90 0.10 0.02 56.13 03:50:00 3 38.75 0.00 1.65 0.09 0.02 59.50 Average: all 51.54 0.00 2.31 0.28 0.02 45.85 Average: 0 50.44 0.00 2.38 0.18 0.02 46.98 Average: 1 51.07 0.00 2.30 0.23 0.02 46.38 Average: 2 53.40 0.00 2.40 0.33 0.02 43.86 Average: 3 51.25 0.00 2.17 0.39 0.02 46.18