---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-51 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 626 10402 4 4960 15019 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:18:bc:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84890sec preferred_lft 84890sec inet6 fe80::f816:3eff:fe18:bcfe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:ca:39:95:ba:03 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-51) 09/04/26 _x86_64_ (4 CPU) 18:58:01 LINUX RESTART (4 CPU) 19:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:01 11.90 2.94 8.67 0.29 158.42 3142.41 1262.57 19:20:29 13.02 0.50 11.59 0.93 19.17 2127.48 5059.05 Average: 12.48 1.69 10.17 0.62 86.73 2619.84 3217.33 19:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:01 9070396 12155360 3806892 23.25 113168 3131900 3969784 22.79 488092 6453688 556 19:20:29 9896864 13511088 2447624 14.95 132296 3610904 2880580 16.53 672064 5424280 100556 Average: 9483630 12833224 3127258 19.10 122732 3371402 3425182 19.66 580078 5938984 50556 19:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:01 lo 0.75 0.75 0.39 0.39 0.00 0.00 0.00 0.00 19:10:01 ens3 89.17 69.15 720.95 9.26 0.00 0.00 0.00 0.00 19:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:29 lo 596.03 596.03 568.37 568.37 0.00 0.00 0.00 0.00 19:20:29 ens3 49.77 39.23 414.17 4.40 0.00 0.00 0.00 0.00 19:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 307.25 307.25 292.84 292.84 0.00 0.00 0.00 0.00 Average: ens3 68.88 53.74 562.99 6.76 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-51) 09/04/26 _x86_64_ (4 CPU) 18:58:01 LINUX RESTART (4 CPU) 19:00:09 CPU %user %nice %system %iowait %steal %idle 19:10:01 all 50.49 0.00 1.12 0.10 0.02 48.27 19:10:01 0 49.20 0.00 1.12 0.05 0.02 49.61 19:10:01 1 55.33 0.00 1.09 0.02 0.02 43.54 19:10:01 2 53.31 0.00 1.27 0.20 0.02 45.19 19:10:01 3 44.12 0.00 1.01 0.11 0.02 54.75 19:20:29 all 52.67 0.00 1.21 0.07 0.02 46.03 19:20:29 0 66.75 0.00 1.02 0.03 0.02 32.17 19:20:29 1 42.76 0.00 1.20 0.12 0.01 55.90 19:20:29 2 59.35 0.00 1.43 0.09 0.03 39.10 19:20:29 3 41.86 0.00 1.19 0.03 0.01 56.90 Average: all 51.61 0.00 1.17 0.08 0.02 47.12 Average: 0 58.24 0.00 1.07 0.04 0.02 40.63 Average: 1 48.86 0.00 1.15 0.07 0.02 49.90 Average: 2 56.42 0.00 1.35 0.14 0.02 42.06 Average: 3 42.95 0.00 1.10 0.07 0.02 55.86