---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6534 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 12G 66G 15% / 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 684 9244 4 6060 14961 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:b9:b7:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84445sec preferred_lft 84445sec inet6 fe80::f816:3eff:feb9:b70d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:ae:f9:88:e0:af 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-6534) 09/10/26 _x86_64_ (4 CPU) 01:06:31 LINUX RESTART (4 CPU) 01:10:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 18.10 0.07 14.56 3.48 2.85 1198.57 38462.15 01:30:04 36.56 0.16 19.66 16.73 5.19 1856.49 261501.63 Average: 27.60 0.12 17.18 10.29 4.05 1536.96 153176.92 01:10:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9569700 13154356 2803776 17.12 129940 3570060 3054560 17.53 678832 5733144 240 01:30:04 9110216 13123972 2830252 17.29 151116 3947320 2910268 16.70 824436 5981340 31140 Average: 9339958 13139164 2817014 17.21 140528 3758690 2982414 17.12 751634 5857242 15690 01:10:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 33.56 33.56 8.13 8.13 0.00 0.00 0.00 0.00 01:20:01 ens3 15.03 10.94 13.91 4.08 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:04 lo 1354.92 1354.92 1269.57 1269.57 0.00 0.00 0.00 0.00 01:30:04 ens3 46.59 35.94 276.64 8.99 0.00 0.00 0.00 0.00 01:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 713.17 713.17 656.92 656.92 0.00 0.00 0.00 0.00 Average: ens3 31.26 23.80 149.04 6.60 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-6534) 09/10/26 _x86_64_ (4 CPU) 01:06:31 LINUX RESTART (4 CPU) 01:10:31 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 29.54 0.00 1.20 0.13 0.02 69.12 01:20:01 0 30.41 0.00 1.10 0.05 0.02 68.43 01:20:01 1 29.57 0.00 1.35 0.10 0.02 68.96 01:20:01 2 28.07 0.00 1.20 0.21 0.02 70.49 01:20:01 3 30.11 0.00 1.14 0.15 0.02 68.59 01:30:04 all 33.49 0.00 1.92 0.10 0.02 64.47 01:30:04 0 33.90 0.00 2.00 0.14 0.02 63.94 01:30:04 1 32.78 0.00 1.98 0.17 0.02 65.05 01:30:04 2 34.55 0.00 2.07 0.03 0.02 63.32 01:30:04 3 32.72 0.00 1.63 0.07 0.02 65.56 Average: all 31.57 0.00 1.57 0.11 0.02 66.73 Average: 0 32.20 0.00 1.56 0.09 0.02 66.12 Average: 1 31.22 0.00 1.67 0.13 0.02 66.95 Average: 2 31.41 0.00 1.65 0.12 0.02 66.80 Average: 3 31.45 0.00 1.39 0.11 0.02 67.03