---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19379 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 605 10407 4 4976 15041 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:f9:30:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84805sec preferred_lft 84805sec inet6 fe80::f816:3eff:fef9:30ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:63:41:10:d1:38 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-19379) 01/07/26 _x86_64_ (4 CPU) 10:15:01 LINUX RESTART (4 CPU) 10:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:00 20.63 0.64 6.33 13.65 618.71 1160.18 244619.57 10:40:02 19.63 0.52 17.61 1.50 19.22 2459.35 14962.70 Average: 20.13 0.58 11.99 7.55 317.85 1812.19 129362.44 10:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:00 10727540 13903404 2059608 12.58 112844 3230748 2417468 13.88 686232 4614528 11700 10:40:02 10050400 13683272 2275728 13.90 136884 3633696 2506600 14.39 872512 5080944 11032 Average: 10388970 13793338 2167668 13.24 124864 3432222 2462034 14.13 779372 4847736 11366 10:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:00 lo 0.64 0.64 0.39 0.39 0.00 0.00 0.00 0.00 10:30:00 ens3 21.29 15.03 221.58 2.63 0.00 0.00 0.00 0.00 10:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:02 lo 497.84 497.84 473.91 473.91 0.00 0.00 0.00 0.00 10:40:02 ens3 35.15 25.53 408.21 4.18 0.00 0.00 0.00 0.00 10:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 250.17 250.17 238.03 238.03 0.00 0.00 0.00 0.00 Average: ens3 28.25 20.30 315.24 3.41 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-19379) 01/07/26 _x86_64_ (4 CPU) 10:15:01 LINUX RESTART (4 CPU) 10:20:02 CPU %user %nice %system %iowait %steal %idle 10:30:00 all 46.33 0.00 0.79 0.08 0.10 52.70 10:30:00 0 45.77 0.00 0.75 0.10 0.10 53.28 10:30:00 1 44.64 0.00 0.91 0.05 0.10 54.30 10:30:00 2 43.77 0.00 0.73 0.02 0.10 55.38 10:30:00 3 51.14 0.00 0.79 0.14 0.10 47.84 10:40:02 all 54.97 0.00 1.38 0.12 0.10 43.42 10:40:02 0 45.47 0.00 1.33 0.13 0.09 52.97 10:40:02 1 48.97 0.00 1.44 0.06 0.11 49.42 10:40:02 2 45.23 0.00 1.41 0.14 0.10 53.11 10:40:02 3 80.22 0.00 1.34 0.15 0.11 18.19 Average: all 50.67 0.00 1.09 0.10 0.10 48.05 Average: 0 45.62 0.00 1.04 0.12 0.09 53.13 Average: 1 46.81 0.00 1.18 0.06 0.10 51.85 Average: 2 44.51 0.00 1.07 0.08 0.10 54.25 Average: 3 65.73 0.00 1.06 0.14 0.10 32.96