---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12881 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 nrip_save 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 623 10388 4 4976 15022 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:24:e2:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84737sec preferred_lft 84737sec inet6 fe80::f816:3eff:fe24:e22d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:87:e4:51:2f:a1 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12881) 12/11/25 _x86_64_ (4 CPU) 20:54:46 LINUX RESTART (4 CPU) 21:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:06 3.94 0.20 3.52 0.22 29.18 532.52 2360.03 21:20:06 18.75 0.54 16.68 1.53 19.43 2465.48 7266.84 Average: 11.30 0.37 10.06 0.87 24.33 1493.82 4800.28 21:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:06 10271636 13480032 2483204 15.17 114240 3258016 2788460 16.01 702700 5059640 30372 21:20:06 9975392 13610716 2348408 14.34 133656 3639284 2505008 14.38 877476 5136364 10800 Average: 10123514 13545374 2415806 14.75 123948 3448650 2646734 15.19 790088 5098002 20586 21:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:06 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 21:10:06 ens3 12.65 9.91 36.81 2.69 0.00 0.00 0.00 0.00 21:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:06 lo 557.44 557.44 530.93 530.93 0.00 0.00 0.00 0.00 21:20:06 ens3 42.01 31.56 409.56 5.00 0.00 0.00 0.00 0.00 21:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 277.52 277.52 264.23 264.23 0.00 0.00 0.00 0.00 Average: ens3 27.25 20.68 222.19 3.84 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12881) 12/11/25 _x86_64_ (4 CPU) 20:54:46 LINUX RESTART (4 CPU) 21:00:00 CPU %user %nice %system %iowait %steal %idle 21:10:06 all 48.20 0.00 0.68 0.02 0.07 51.02 21:10:06 0 44.70 0.00 0.68 0.03 0.08 54.51 21:10:06 1 37.86 0.00 0.64 0.03 0.07 61.39 21:10:06 2 54.02 0.00 0.76 0.01 0.08 45.14 21:10:06 3 56.19 0.00 0.64 0.01 0.07 43.09 21:20:06 all 57.95 0.00 1.25 0.07 0.08 40.66 21:20:06 0 47.25 0.00 1.11 0.08 0.08 51.48 21:20:06 1 60.22 0.00 1.19 0.05 0.07 38.48 21:20:06 2 56.31 0.00 1.14 0.08 0.08 42.40 21:20:06 3 68.00 0.00 1.55 0.08 0.08 30.30 Average: all 53.04 0.00 0.96 0.05 0.07 45.87 Average: 0 45.97 0.00 0.90 0.06 0.08 53.00 Average: 1 48.98 0.00 0.91 0.04 0.07 50.00 Average: 2 55.16 0.00 0.95 0.04 0.08 43.77 Average: 3 62.05 0.00 1.09 0.04 0.08 36.75