---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12356 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 621 10392 4 4975 15025 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:81:cc:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84827sec preferred_lft 84827sec inet6 fe80::f816:3eff:fe81:cc93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:43:3e:ce:a0:32 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-12356) 12/10/25 _x86_64_ (4 CPU) 20:09:27 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 43.44 4.42 37.89 1.13 845.83 4466.72 17665.84 20:30:15 2.92 0.05 2.78 0.09 3.33 337.53 323.41 Average: 22.95 2.21 20.14 0.61 419.89 2379.12 8898.00 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9899400 13045020 2918500 17.82 112292 3201580 3176536 18.23 682512 5445728 2340 20:30:15 9854484 13120440 2842372 17.36 116128 3308776 3030920 17.40 708364 5462240 26956 Average: 9876942 13082730 2880436 17.59 114210 3255178 3103728 17.82 695438 5453984 14648 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.53 0.53 0.07 0.07 0.00 0.00 0.00 0.00 20:20:01 ens3 82.65 64.75 918.67 11.10 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:15 lo 0.52 0.52 0.36 0.36 0.00 0.00 0.00 0.00 20:30:15 ens3 4.66 4.17 29.40 1.09 0.00 0.00 0.00 0.00 20:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 43.22 34.12 469.08 6.04 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-12356) 12/10/25 _x86_64_ (4 CPU) 20:09:27 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 49.07 0.00 1.21 0.33 0.07 49.32 20:20:01 0 43.47 0.00 1.22 0.21 0.07 55.04 20:20:01 1 53.97 0.00 1.29 0.61 0.07 44.07 20:20:01 2 45.80 0.00 0.81 0.07 0.07 53.25 20:20:01 3 53.05 0.00 1.52 0.45 0.07 44.90 20:30:15 all 45.53 0.00 0.49 0.01 0.07 53.90 20:30:15 0 47.31 0.00 0.49 0.01 0.07 52.12 20:30:15 1 49.91 0.00 0.45 0.01 0.07 49.56 20:30:15 2 36.66 0.00 0.48 0.03 0.07 62.75 20:30:15 3 48.27 0.00 0.52 0.00 0.07 51.14 Average: all 47.28 0.00 0.84 0.17 0.07 51.64 Average: 0 45.41 0.00 0.85 0.11 0.07 53.56 Average: 1 51.92 0.00 0.86 0.30 0.07 46.85 Average: 2 41.17 0.00 0.65 0.05 0.07 58.06 Average: 3 50.63 0.00 1.02 0.22 0.07 48.06