---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5965 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 12G 66G 16% / 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 635 8959 4 6394 15011 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:6f:e9:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84041sec preferred_lft 84041sec inet6 fe80::f816:3eff:fe6f:e900/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:0d:d7:0a:62:dd 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-5965) 01/30/26 _x86_64_ (4 CPU) 10:37:28 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:09 5.79 0.26 5.08 0.45 204.77 542.00 9542.89 11:00:00 31.76 2.99 25.67 3.10 163.94 3775.68 7561.77 11:10:09 37.48 0.03 33.87 3.58 0.46 7323.08 16530.72 Average: 24.95 1.08 21.50 2.37 122.68 3881.32 11245.24 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:09 13022748 15520200 459888 2.81 95824 2596716 982036 5.64 398796 2632080 68 11:00:00 9709232 13192656 2765876 16.89 135888 3480404 3137572 18.01 754052 5531844 26860 11:10:09 7307808 12831120 3119036 19.05 167112 5406496 3250776 18.66 1463576 7122696 149308 Average: 10013263 13847992 2114933 12.92 132941 3827872 2456795 14.10 872141 5095540 58745 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:09 lo 0.14 0.14 0.02 0.02 0.00 0.00 0.00 0.00 10:50:09 ens3 12.68 9.67 213.26 1.33 0.00 0.00 0.00 0.00 10:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:00 lo 1419.67 1419.67 1345.62 1345.62 0.00 0.00 0.00 0.00 11:00:00 ens3 103.66 77.89 761.65 19.38 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:09 lo 1425.04 1425.04 1357.21 1357.21 0.00 0.00 0.00 0.00 11:10:09 ens3 55.42 43.57 148.85 14.70 0.00 0.00 0.00 0.00 11:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 944.01 944.01 896.91 896.91 0.00 0.00 0.00 0.00 Average: ens3 56.83 43.40 371.05 11.74 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-5965) 01/30/26 _x86_64_ (4 CPU) 10:37:28 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:09 all 0.40 0.00 0.18 0.11 0.02 99.29 10:50:09 0 0.31 0.00 0.27 0.24 0.01 99.17 10:50:09 1 0.57 0.00 0.14 0.05 0.03 99.20 10:50:09 2 0.41 0.00 0.18 0.11 0.02 99.28 10:50:09 3 0.28 0.00 0.11 0.06 0.03 99.51 11:00:00 all 64.80 0.00 2.57 0.15 0.11 32.37 11:00:00 0 65.52 0.00 2.52 0.07 0.12 31.77 11:00:00 1 65.54 0.00 2.73 0.06 0.11 31.56 11:00:00 2 62.66 0.00 2.57 0.24 0.11 34.41 11:00:00 3 65.46 0.00 2.44 0.24 0.12 31.74 11:10:09 all 60.52 0.00 2.62 0.34 0.12 36.40 11:10:09 0 58.48 0.00 2.59 0.10 0.12 38.71 11:10:09 1 64.31 0.00 2.79 0.27 0.12 32.51 11:10:09 2 59.57 0.00 2.66 0.14 0.12 37.52 11:10:09 3 59.72 0.00 2.45 0.88 0.12 36.84 Average: all 41.65 0.00 1.78 0.20 0.09 56.28 Average: 0 41.19 0.00 1.79 0.14 0.08 56.81 Average: 1 43.21 0.00 1.88 0.13 0.09 54.70 Average: 2 40.63 0.00 1.79 0.16 0.08 57.33 Average: 3 41.56 0.00 1.66 0.39 0.09 56.30