---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7931 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 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 716 10334 4 4938 14929 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:61:f0:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84964sec preferred_lft 84964sec inet6 fe80::f816:3eff:fe61:f083/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:88:6a:a4:c0:da 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-7931) 09/13/26 _x86_64_ (4 CPU) 14:38:32 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:14 20.82 2.88 16.63 1.32 163.78 4641.91 699.05 15:00:22 26.91 0.93 22.45 3.53 34.00 4578.25 2636.68 Average: 23.86 1.91 19.53 2.42 99.13 4610.19 1664.41 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:14 10283872 13757384 2200688 13.44 136760 3452592 2770372 15.90 586160 5113120 38812 15:00:22 10645824 15340820 608628 3.72 176520 4544444 1140496 6.55 916712 4297000 44 Average: 10464848 14549102 1404658 8.58 156640 3998518 1955434 11.22 751436 4705060 19428 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:14 lo 3.07 3.07 0.32 0.32 0.00 0.00 0.00 0.00 14:50:14 ens3 127.48 98.80 703.72 21.19 0.00 0.00 0.00 0.00 14:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:22 lo 1500.30 1500.30 1422.94 1422.94 0.00 0.00 0.00 0.00 15:00:22 ens3 112.80 93.54 463.27 112.07 0.00 0.00 0.00 0.00 15:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 749.02 749.02 709.09 709.09 0.00 0.00 0.00 0.00 Average: ens3 120.17 96.18 583.93 66.47 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-7931) 09/13/26 _x86_64_ (4 CPU) 14:38:32 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:14 all 67.96 0.00 2.66 0.10 0.05 29.22 14:50:14 0 70.65 0.00 2.67 0.11 0.06 26.52 14:50:14 1 68.45 0.00 2.82 0.05 0.05 28.62 14:50:14 2 66.09 0.00 2.43 0.20 0.04 31.24 14:50:14 3 66.66 0.00 2.75 0.06 0.06 30.49 15:00:22 all 59.62 0.00 2.64 0.09 0.04 37.61 15:00:22 0 56.92 0.00 2.52 0.04 0.04 40.48 15:00:22 1 59.09 0.00 2.79 0.19 0.04 37.88 15:00:22 2 62.60 0.00 2.77 0.04 0.04 34.54 15:00:22 3 59.86 0.00 2.49 0.09 0.04 37.52 Average: all 63.80 0.00 2.65 0.10 0.05 33.40 Average: 0 63.81 0.00 2.59 0.07 0.05 33.48 Average: 1 63.79 0.00 2.80 0.12 0.05 33.24 Average: 2 64.35 0.00 2.60 0.12 0.04 32.89 Average: 3 63.27 0.00 2.62 0.07 0.05 33.99