---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60650 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 685 10356 4 4946 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:27:14:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84961sec preferred_lft 84961sec inet6 fe80::f816:3eff:fe27:14bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:35:dc:ca:42:d1 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-60650) 09/29/26 _x86_64_ (4 CPU) 14:38:21 LINUX RESTART (4 CPU) 14:40:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:28 19.88 3.16 15.71 1.00 172.25 4583.86 535.95 15:00:11 27.17 0.68 22.90 3.59 27.17 4561.17 19816.83 Average: 23.44 1.95 19.22 2.26 101.38 4572.78 9954.61 14:40:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:28 10125076 13662632 2295348 14.02 136028 3512032 2591568 14.88 601892 5241252 34232 15:00:11 10655060 15359344 590572 3.61 176724 4552980 1134168 6.51 910632 4287740 64 Average: 10390068 14510988 1442960 8.81 156376 4032506 1862868 10.69 756262 4764496 17148 14:40:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:28 lo 3.13 3.13 0.32 0.32 0.00 0.00 0.00 0.00 14:50:28 ens3 124.50 97.89 695.78 22.66 0.00 0.00 0.00 0.00 14:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:11 lo 1675.33 1675.33 1588.91 1588.91 0.00 0.00 0.00 0.00 15:00:11 ens3 103.16 89.90 455.38 114.17 0.00 0.00 0.00 0.00 15:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 819.99 819.99 776.34 776.34 0.00 0.00 0.00 0.00 Average: ens3 114.08 93.98 578.35 67.36 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-60650) 09/29/26 _x86_64_ (4 CPU) 14:38:21 LINUX RESTART (4 CPU) 14:40:17 CPU %user %nice %system %iowait %steal %idle 14:50:28 all 71.20 0.00 2.66 0.08 0.04 26.03 14:50:28 0 70.10 0.00 2.51 0.08 0.03 27.27 14:50:28 1 71.36 0.00 2.78 0.05 0.04 25.77 14:50:28 2 72.33 0.00 2.82 0.08 0.04 24.74 14:50:28 3 71.00 0.00 2.52 0.10 0.04 26.34 15:00:11 all 57.54 0.00 2.70 0.10 0.02 39.63 15:00:11 0 57.52 0.00 2.86 0.15 0.02 39.44 15:00:11 1 59.79 0.00 2.38 0.04 0.02 37.76 15:00:11 2 58.38 0.00 2.78 0.05 0.03 38.76 15:00:11 3 54.48 0.00 2.78 0.15 0.03 42.57 Average: all 64.53 0.00 2.68 0.09 0.03 32.68 Average: 0 63.96 0.00 2.68 0.11 0.03 33.22 Average: 1 65.70 0.00 2.59 0.05 0.03 31.63 Average: 2 65.52 0.00 2.80 0.06 0.03 31.58 Average: 3 62.92 0.00 2.65 0.12 0.03 34.27