---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6120 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 67G 15% / 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 751 9415 4 5822 14895 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:b7:b9:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83888sec preferred_lft 83888sec inet6 fe80::f816:3eff:feb7:b989/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:56:c1:22:d4:8b 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-6120) 01/30/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:08 19.95 2.44 15.74 1.77 337.51 4037.66 21000.01 20:50:08 57.25 0.33 46.13 10.79 10.87 4141.83 4947.51 21:00:08 34.85 0.14 28.68 6.03 6.47 5263.11 11640.94 Average: 37.30 0.97 30.14 6.18 118.91 4479.59 12553.89 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:08 9707732 13318008 2638876 16.12 165440 3548572 3004772 17.25 713244 5536812 80968 20:50:08 8801040 13159372 2789960 17.04 205492 4193600 2909788 16.70 899088 6174352 4612 21:00:08 9772116 15367896 576892 3.52 248172 5320200 1101844 6.32 1301716 4738140 160 Average: 9426963 13948425 2001909 12.23 206368 4354124 2338801 13.42 971349 5483101 28580 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:08 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 20:40:08 ens3 112.66 86.84 438.12 21.52 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:08 lo 5388.86 5388.86 5136.77 5136.77 0.00 0.00 0.00 0.00 20:50:08 ens3 100.21 72.77 304.42 21.85 0.00 0.00 0.00 0.00 20:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:08 lo 2704.03 2704.03 2570.62 2570.62 0.00 0.00 0.00 0.00 21:00:08 ens3 99.63 81.18 132.62 93.23 0.00 0.00 0.00 0.00 21:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2690.30 2690.30 2561.77 2561.77 0.00 0.00 0.00 0.00 Average: ens3 104.19 80.28 292.14 45.47 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-6120) 01/30/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:08 all 66.94 0.00 2.37 0.11 0.08 30.49 20:40:08 0 67.13 0.00 2.40 0.09 0.08 30.30 20:40:08 1 66.83 0.00 2.23 0.15 0.09 30.70 20:40:08 2 65.70 0.00 2.42 0.13 0.08 31.67 20:40:08 3 68.11 0.00 2.43 0.08 0.08 29.30 20:50:08 all 61.63 0.00 4.25 0.11 0.08 33.92 20:50:08 0 59.22 0.00 3.99 0.17 0.09 36.53 20:50:08 1 63.26 0.00 4.63 0.10 0.08 31.92 20:50:08 2 61.36 0.00 3.96 0.05 0.08 34.54 20:50:08 3 62.69 0.00 4.42 0.10 0.09 32.69 21:00:08 all 50.83 0.00 2.93 0.12 0.07 46.05 21:00:08 0 49.54 0.00 3.10 0.11 0.07 47.18 21:00:08 1 49.01 0.00 3.13 0.16 0.07 47.63 21:00:08 2 53.25 0.00 2.76 0.13 0.07 43.79 21:00:08 3 51.52 0.00 2.73 0.08 0.07 45.60 Average: all 59.82 0.00 3.18 0.11 0.08 36.81 Average: 0 58.65 0.00 3.16 0.12 0.08 37.98 Average: 1 59.71 0.00 3.33 0.14 0.08 36.75 Average: 2 60.12 0.00 3.05 0.10 0.08 36.65 Average: 3 60.80 0.00 3.19 0.09 0.08 35.84