---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3686 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 713 10312 4 4963 14933 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:cf:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83821sec preferred_lft 83821sec inet6 fe80::f816:3eff:fe70:cf50/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:99:6d:68:cc:af 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-3686) 01/23/26 _x86_64_ (4 CPU) 22:10:40 LINUX RESTART (4 CPU) 22:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:18 14.52 0.01 1.84 12.67 0.18 34.28 234319.85 22:40:18 14.79 2.01 11.79 0.99 130.87 2895.88 77.71 22:50:01 34.35 0.95 29.17 4.23 30.98 4610.21 3905.28 Average: 21.04 0.98 14.01 6.04 53.72 2470.60 81597.47 22:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:18 12836172 15478732 497272 3.04 102336 2731504 979060 5.62 539064 2656732 16 22:40:18 10125148 13693956 2265028 13.83 139932 3551140 2450792 14.07 798612 5067732 40192 22:50:01 10660640 15382120 568944 3.47 170700 4587840 1075668 6.17 1105204 4114588 200 Average: 11207320 14851603 1110415 6.78 137656 3623495 1501840 8.62 814293 3946351 13469 22:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:30:18 ens3 5.70 4.54 88.00 0.67 0.00 0.00 0.00 0.00 22:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:18 lo 1.34 1.34 0.14 0.14 0.00 0.00 0.00 0.00 22:40:18 ens3 93.59 71.94 508.47 19.69 0.00 0.00 0.00 0.00 22:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 1545.13 1545.13 1468.26 1468.26 0.00 0.00 0.00 0.00 22:50:01 ens3 97.82 77.38 418.06 84.57 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 501.10 501.10 475.77 475.77 0.00 0.00 0.00 0.00 Average: ens3 64.84 50.60 335.07 34.19 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-3686) 01/23/26 _x86_64_ (4 CPU) 22:10:40 LINUX RESTART (4 CPU) 22:20:01 CPU %user %nice %system %iowait %steal %idle 22:30:18 all 0.30 0.00 0.05 0.05 0.02 99.57 22:30:18 0 0.02 0.00 0.04 0.08 0.01 99.85 22:30:18 1 0.37 0.00 0.04 0.02 0.02 99.54 22:30:18 2 0.18 0.00 0.08 0.11 0.03 99.60 22:30:18 3 0.64 0.00 0.04 0.01 0.02 99.30 22:40:18 all 72.62 0.00 2.28 0.27 0.08 24.75 22:40:18 0 70.95 0.00 2.21 0.55 0.08 26.21 22:40:18 1 74.31 0.00 2.39 0.09 0.08 23.13 22:40:18 2 75.18 0.00 2.23 0.21 0.08 22.31 22:40:18 3 70.05 0.00 2.27 0.24 0.08 27.36 22:50:01 all 56.06 0.00 2.35 0.08 0.08 41.43 22:50:01 0 52.23 0.00 2.01 0.06 0.08 45.63 22:50:01 1 57.10 0.00 2.41 0.04 0.07 40.37 22:50:01 2 55.74 0.00 2.33 0.10 0.07 41.76 22:50:01 3 59.17 0.00 2.65 0.14 0.08 37.96 Average: all 42.42 0.00 1.54 0.14 0.06 55.85 Average: 0 40.55 0.00 1.40 0.23 0.06 57.76 Average: 1 43.33 0.00 1.59 0.05 0.06 54.97 Average: 2 43.14 0.00 1.52 0.14 0.06 55.13 Average: 3 42.66 0.00 1.63 0.13 0.06 55.53