---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3318 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: 5600.00 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 691 10353 4 4944 14955 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:ce:31:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84554sec preferred_lft 84554sec inet6 fe80::f816:3eff:fece:31da/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:55:50:c7:d1:95 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-3318) 01/23/26 _x86_64_ (4 CPU) 12:50:38 LINUX RESTART (4 CPU) 13:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:15 12.21 0.51 10.67 1.03 16.25 2579.35 555.36 13:20:15 25.75 0.55 21.28 3.92 19.65 3633.69 2496.17 Average: 18.98 0.53 15.97 2.48 17.95 3106.52 1525.77 13:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:15 9485156 13259288 2695884 16.47 150276 3719800 2878260 16.52 817700 5641152 20044 13:20:15 10660572 15362044 587600 3.59 172160 4566628 1095444 6.29 1065968 4144052 48 Average: 10072864 14310666 1641742 10.03 161218 4143214 1986852 11.40 941834 4892602 10046 13:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:15 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 13:10:15 ens3 66.97 53.00 140.93 18.11 0.00 0.00 0.00 0.00 13:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:15 lo 1534.52 1534.52 1450.28 1450.28 0.00 0.00 0.00 0.00 13:20:15 ens3 102.70 92.94 410.57 167.62 0.00 0.00 0.00 0.00 13:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 767.96 767.96 725.21 725.21 0.00 0.00 0.00 0.00 Average: ens3 84.84 72.97 275.75 92.86 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-3318) 01/23/26 _x86_64_ (4 CPU) 12:50:38 LINUX RESTART (4 CPU) 13:00:15 CPU %user %nice %system %iowait %steal %idle 13:10:15 all 73.22 0.00 2.24 0.05 0.12 24.37 13:10:15 0 73.57 0.00 2.17 0.03 0.13 24.10 13:10:15 1 70.45 0.00 2.44 0.10 0.13 26.88 13:10:15 2 74.78 0.00 2.23 0.04 0.12 22.83 13:10:15 3 74.07 0.00 2.12 0.04 0.12 23.66 13:20:15 all 40.69 0.00 1.89 0.15 0.08 57.19 13:20:15 0 38.36 0.00 1.69 0.12 0.07 59.76 13:20:15 1 41.42 0.00 1.88 0.15 0.08 56.47 13:20:15 2 40.88 0.00 1.83 0.11 0.08 57.09 13:20:15 3 42.12 0.00 2.15 0.22 0.07 55.44 Average: all 56.95 0.00 2.06 0.10 0.10 40.78 Average: 0 55.96 0.00 1.93 0.07 0.10 41.93 Average: 1 55.93 0.00 2.16 0.13 0.10 41.69 Average: 2 57.83 0.00 2.03 0.08 0.10 39.96 Average: 3 58.10 0.00 2.13 0.13 0.10 39.54