---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-318 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: 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 685 9215 4 6088 14960 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:32:a8:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84278sec preferred_lft 84278sec inet6 fe80::f816:3eff:fe32:a8ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:dc:e8:e3:1c:5d 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-318) 09/05/26 _x86_64_ (4 CPU) 21:54:58 LINUX RESTART (4 CPU) 22:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:00 22.60 0.44 19.40 2.76 19.59 2842.04 4248.81 22:20:00 28.02 0.02 25.09 2.90 0.57 2279.27 10816.45 22:30:00 18.21 0.25 16.08 1.88 12.68 8429.55 8173.81 Average: 22.94 0.24 20.19 2.51 10.95 4516.95 7746.36 22:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:00 9514116 13125364 2832976 17.30 130008 3608196 2771620 15.91 660576 5819944 13448 22:20:00 8557152 12584288 3370592 20.59 150100 3970704 3303284 18.96 771600 6621456 32732 22:30:00 9490108 15367688 581580 3.55 173992 5738056 1086812 6.24 1202548 5178520 11260 Average: 9187125 13692447 2261716 13.81 151367 4438985 2387239 13.70 878241 5873307 19147 22:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:00 lo 1976.82 1976.82 1878.98 1878.98 0.00 0.00 0.00 0.00 22:10:00 ens3 35.32 30.64 68.38 12.64 0.00 0.00 0.00 0.00 22:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:00 lo 1531.25 1531.25 1459.55 1459.55 0.00 0.00 0.00 0.00 22:20:00 ens3 27.67 23.29 36.33 12.31 0.00 0.00 0.00 0.00 22:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:00 lo 577.93 577.93 7053.60 7053.60 0.00 0.00 0.00 0.00 22:30:00 ens3 45.48 41.36 168.28 15.04 0.00 0.00 0.00 0.00 22:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1362.00 1362.00 3464.04 3464.04 0.00 0.00 0.00 0.00 Average: ens3 36.16 31.76 90.99 13.33 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-318) 09/05/26 _x86_64_ (4 CPU) 21:54:58 LINUX RESTART (4 CPU) 22:00:00 CPU %user %nice %system %iowait %steal %idle 22:10:00 all 59.56 0.00 2.57 0.46 0.03 37.38 22:10:00 0 58.81 0.00 2.39 0.94 0.03 37.82 22:10:00 1 59.65 0.00 2.56 0.15 0.03 37.61 22:10:00 2 60.32 0.00 2.79 0.42 0.03 36.44 22:10:00 3 59.47 0.00 2.52 0.34 0.02 37.65 22:20:00 all 61.44 0.00 2.66 0.08 0.03 35.78 22:20:00 0 61.15 0.00 2.59 0.10 0.03 36.12 22:20:00 1 61.25 0.00 2.55 0.06 0.03 36.10 22:20:00 2 62.45 0.00 2.86 0.05 0.03 34.61 22:20:00 3 60.92 0.00 2.64 0.12 0.03 36.29 22:30:00 all 34.35 0.00 1.66 0.17 0.02 63.80 22:30:00 0 33.08 0.00 1.54 0.11 0.02 65.25 22:30:00 1 39.79 0.00 1.65 0.33 0.02 58.22 22:30:00 2 26.52 0.00 1.77 0.13 0.02 71.56 22:30:00 3 38.04 0.00 1.66 0.12 0.02 60.15 Average: all 51.78 0.00 2.29 0.24 0.02 45.66 Average: 0 51.02 0.00 2.18 0.39 0.02 46.40 Average: 1 53.57 0.00 2.25 0.18 0.03 43.98 Average: 2 49.74 0.00 2.47 0.20 0.03 47.56 Average: 3 52.81 0.00 2.27 0.19 0.03 44.70