---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2942 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 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 629 10498 4 4862 15016 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:37:2d:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84603sec preferred_lft 84603sec inet6 fe80::f816:3eff:fe37:2d39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:51:4e:cc:7c:0d 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-2942) 09/07/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 11.17 1.66 8.80 0.70 123.16 2789.16 398.93 15:50:31 23.28 0.66 19.51 3.10 20.48 3881.12 3670.47 Average: 17.50 1.14 14.40 1.96 69.48 3360.01 2109.21 15:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 9777872 13176620 2782764 17.00 128604 3393660 3112408 17.87 559260 5646536 22436 15:50:31 8332440 12824972 3126180 19.09 161888 4376340 3563212 20.45 854988 6704124 7328 Average: 9055156 13000796 2954472 18.04 145246 3885000 3337810 19.16 707124 6175330 14882 15:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 15:40:01 ens3 48.96 41.21 219.80 9.64 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:31 lo 2002.21 2002.21 1909.51 1909.51 0.00 0.00 0.00 0.00 15:50:31 ens3 61.03 51.44 406.85 10.17 0.00 0.00 0.00 0.00 15:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1047.30 1047.30 998.30 998.30 0.00 0.00 0.00 0.00 Average: ens3 55.27 46.56 317.59 9.92 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-2942) 09/07/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:25 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 60.27 0.00 2.29 0.06 0.03 37.34 15:40:01 0 61.02 0.00 2.24 0.08 0.03 36.62 15:40:01 1 61.58 0.00 2.16 0.03 0.03 36.20 15:40:01 2 58.98 0.00 2.28 0.07 0.03 38.64 15:40:01 3 59.51 0.00 2.47 0.07 0.04 37.91 15:50:31 all 57.43 0.00 2.85 0.07 0.03 39.62 15:50:31 0 55.53 0.00 2.46 0.04 0.02 41.95 15:50:31 1 57.85 0.00 2.75 0.07 0.03 39.30 15:50:31 2 59.16 0.00 3.08 0.06 0.04 37.67 15:50:31 3 57.20 0.00 3.09 0.11 0.03 39.57 Average: all 58.79 0.00 2.58 0.07 0.03 38.53 Average: 0 58.15 0.00 2.36 0.06 0.03 39.41 Average: 1 59.63 0.00 2.47 0.05 0.03 37.82 Average: 2 59.08 0.00 2.70 0.06 0.03 38.13 Average: 3 58.30 0.00 2.80 0.09 0.03 38.78