---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-588 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 68G 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 655 10432 4 4900 14990 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:70:14:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84798sec preferred_lft 84798sec inet6 fe80::f816:3eff:fe70:1486/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:b3:83:a7:7f:50 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-588) 01/16/26 _x86_64_ (4 CPU) 00:27:59 LINUX RESTART (4 CPU) 00:30:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 8.81 0.73 7.64 0.44 452.78 1775.04 5420.98 00:50:30 9.74 0.50 8.74 0.50 18.51 1550.46 1624.64 Average: 9.30 0.61 8.22 0.47 224.91 1657.19 3428.94 00:30:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 9157096 12242668 3719988 22.72 113356 3128456 3839620 22.04 663560 6183452 1052 00:50:30 8941608 12723900 3234604 19.76 131452 3768884 3852864 22.12 851788 6193324 271936 Average: 9049352 12483284 3477296 21.24 122404 3448670 3846242 22.08 757674 6188388 136494 00:30:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 0.65 0.65 0.40 0.40 0.00 0.00 0.00 0.00 00:40:01 ens3 24.68 16.42 218.40 3.98 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:30 lo 166.17 166.17 157.93 157.93 0.00 0.00 0.00 0.00 00:50:30 ens3 36.30 23.29 390.76 4.22 0.00 0.00 0.00 0.00 00:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 87.50 87.50 83.06 83.06 0.00 0.00 0.00 0.00 Average: ens3 30.78 20.02 308.84 4.11 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-588) 01/16/26 _x86_64_ (4 CPU) 00:27:59 LINUX RESTART (4 CPU) 00:30:30 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 51.52 0.00 0.88 0.09 0.10 47.41 00:40:01 0 55.02 0.00 0.93 0.13 0.10 43.82 00:40:01 1 54.72 0.00 0.93 0.12 0.09 44.14 00:40:01 2 48.99 0.00 0.87 0.04 0.11 49.99 00:40:01 3 47.37 0.00 0.80 0.05 0.10 51.69 00:50:30 all 49.70 0.00 0.92 0.04 0.09 49.24 00:50:30 0 49.81 0.00 0.83 0.05 0.10 49.21 00:50:30 1 38.94 0.00 1.04 0.04 0.09 59.89 00:50:30 2 65.43 0.00 0.85 0.03 0.10 33.58 00:50:30 3 44.59 0.00 0.98 0.04 0.08 54.31 Average: all 50.57 0.00 0.90 0.06 0.10 48.37 Average: 0 52.28 0.00 0.87 0.09 0.10 46.65 Average: 1 46.44 0.00 0.99 0.08 0.09 52.40 Average: 2 57.62 0.00 0.86 0.04 0.10 41.38 Average: 3 45.91 0.00 0.89 0.05 0.09 53.06