---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62200 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 11G 67G 14% / 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 670 10260 4 5058 14975 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:12:13:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81778sec preferred_lft 81778sec inet6 fe80::f816:3eff:fe12:13a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:fe:0a:6c:f1:a2 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-62200) 10/05/26 _x86_64_ (4 CPU) 09:01:52 LINUX RESTART (4 CPU) 09:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:03 1.12 0.01 1.11 0.01 0.05 13.65 0.45 09:30:03 1.00 0.00 1.00 0.00 0.00 11.59 0.00 09:40:04 1.08 0.00 1.08 0.00 0.00 12.29 0.00 09:50:04 1.09 0.00 1.09 0.00 0.00 12.77 0.00 10:00:17 36.43 4.21 31.54 0.68 253.83 4189.20 1024.23 10:10:00 3.68 0.06 3.47 0.15 7.62 532.49 19.92 Average: 7.54 0.73 6.67 0.14 44.60 810.37 178.24 09:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:03 13607212 15526220 490000 2.99 56484 2089032 1177708 6.76 250868 2263108 224 09:30:03 13607212 15526516 489776 2.99 56772 2089044 1177708 6.76 251160 2263884 224 09:40:04 13603224 15523052 493324 3.01 57164 2089176 1177708 6.76 251556 2265944 224 09:50:04 13602216 15522364 493992 3.02 57468 2089192 1177832 6.76 251856 2270180 240 10:00:17 9922696 13081016 2881180 17.60 114884 3207764 3233396 18.56 525700 5568640 308 10:10:00 9024448 12329388 3632032 22.18 119948 3337116 3840516 22.04 568996 6413676 256 Average: 12227835 14584759 1413384 8.63 77120 2483554 1964145 11.27 350023 3507572 246 09:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:20:03 ens3 0.40 0.15 0.10 0.06 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:03 ens3 0.29 0.08 0.04 0.02 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:04 ens3 0.38 0.13 0.10 0.06 0.00 0.00 0.00 0.00 09:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:50:04 ens3 0.51 0.66 0.05 0.62 0.00 0.00 0.00 0.00 09:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:17 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 10:00:17 ens3 118.66 90.94 911.38 13.21 0.00 0.00 0.00 0.00 10:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:00 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 10:10:00 ens3 10.67 8.72 46.79 1.81 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.28 0.28 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 22.26 17.12 163.31 2.68 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-62200) 10/05/26 _x86_64_ (4 CPU) 09:01:52 LINUX RESTART (4 CPU) 09:10:11 CPU %user %nice %system %iowait %steal %idle 09:20:03 all 0.23 0.00 0.02 0.01 0.00 99.73 09:20:03 0 0.02 0.00 0.02 0.01 0.00 99.95 09:20:03 1 0.02 0.00 0.02 0.03 0.00 99.93 09:20:03 2 0.02 0.00 0.03 0.00 0.00 99.95 09:20:03 3 0.84 0.00 0.03 0.02 0.00 99.11 09:30:03 all 0.31 0.00 0.02 0.02 0.00 99.65 09:30:03 0 0.02 0.00 0.03 0.04 0.00 99.91 09:30:03 1 0.01 0.00 0.01 0.02 0.00 99.96 09:30:03 2 1.16 0.00 0.04 0.01 0.00 98.79 09:30:03 3 0.03 0.00 0.01 0.00 0.00 99.96 09:40:04 all 0.06 0.00 0.02 0.01 0.00 99.90 09:40:04 0 0.03 0.00 0.04 0.01 0.00 99.93 09:40:04 1 0.02 0.00 0.02 0.04 0.00 99.92 09:40:04 2 0.20 0.00 0.02 0.00 0.00 99.77 09:40:04 3 0.01 0.00 0.01 0.01 0.00 99.97 09:50:04 all 0.11 0.00 0.02 0.01 0.00 99.85 09:50:04 0 0.03 0.00 0.02 0.00 0.00 99.95 09:50:04 1 0.02 0.00 0.03 0.02 0.00 99.93 09:50:04 2 0.14 0.00 0.03 0.01 0.00 99.82 09:50:04 3 0.25 0.00 0.02 0.01 0.00 99.72 10:00:17 all 28.70 0.00 0.98 0.38 0.01 69.93 10:00:17 0 27.21 0.00 0.87 0.44 0.01 71.47 10:00:17 1 27.38 0.00 1.18 0.81 0.01 70.61 10:00:17 2 31.92 0.00 1.00 0.16 0.02 66.90 10:00:17 3 28.28 0.00 0.87 0.09 0.02 70.75 10:10:00 all 46.26 0.00 0.75 0.03 0.02 52.94 10:10:00 0 48.33 0.00 0.81 0.03 0.01 50.82 10:10:00 1 59.50 0.00 0.72 0.01 0.03 39.73 10:10:00 2 36.33 0.00 0.73 0.01 0.02 62.91 10:10:00 3 40.88 0.00 0.74 0.07 0.02 58.29 Average: all 12.53 0.00 0.31 0.08 0.01 87.08 Average: 0 12.52 0.00 0.30 0.09 0.00 87.09 Average: 1 14.35 0.00 0.33 0.16 0.01 85.15 Average: 2 11.60 0.00 0.31 0.03 0.01 88.05 Average: 3 11.66 0.00 0.28 0.03 0.01 88.02