---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7937 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 617 10365 4 5006 15028 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:33:36:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84981sec preferred_lft 84981sec inet6 fe80::f816:3eff:fe33:3690/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:12:97:5f:64:bc 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-7937) 09/13/26 _x86_64_ (4 CPU) 17:09:31 LINUX RESTART (4 CPU) 17:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 40.71 4.37 35.51 0.83 267.64 4650.35 1500.81 17:30:14 27.26 0.51 12.73 14.02 20.04 2097.41 237441.93 Average: 33.92 2.42 24.00 7.49 142.53 3360.34 120722.85 17:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9534732 12634920 3327820 20.32 113476 3145440 3572084 20.50 488568 5986980 564 17:30:14 9463088 13183416 2774844 16.95 133808 3709704 2984120 17.13 696832 5832140 118292 Average: 9498910 12909168 3051332 18.64 123642 3427572 3278102 18.82 592700 5909560 59428 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 17:20:01 ens3 126.83 99.28 936.71 15.08 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:14 lo 404.45 404.45 384.94 384.94 0.00 0.00 0.00 0.00 17:30:14 ens3 57.83 45.43 469.52 4.98 0.00 0.00 0.00 0.00 17:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 204.78 204.78 194.55 194.55 0.00 0.00 0.00 0.00 Average: ens3 91.96 72.07 700.63 9.98 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-7937) 09/13/26 _x86_64_ (4 CPU) 17:09:31 LINUX RESTART (4 CPU) 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 49.59 0.00 1.40 0.29 0.03 48.70 17:20:01 0 44.66 0.00 1.51 0.11 0.02 53.70 17:20:01 1 46.96 0.00 1.51 0.13 0.02 51.38 17:20:01 2 55.69 0.00 1.28 0.43 0.03 42.58 17:20:01 3 51.07 0.00 1.28 0.50 0.03 47.12 17:30:14 all 53.03 0.00 1.28 0.06 0.03 45.59 17:30:14 0 43.91 0.00 1.41 0.04 0.03 54.61 17:30:14 1 58.54 0.00 1.49 0.10 0.03 39.83 17:30:14 2 63.43 0.00 1.23 0.06 0.05 35.23 17:30:14 3 46.31 0.00 1.01 0.04 0.02 52.62 Average: all 51.33 0.00 1.34 0.18 0.03 47.13 Average: 0 44.28 0.00 1.46 0.07 0.02 54.16 Average: 1 52.81 0.00 1.50 0.12 0.03 45.55 Average: 2 59.60 0.00 1.25 0.24 0.04 38.86 Average: 3 48.66 0.00 1.15 0.27 0.02 49.90