---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-284 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 716 9340 4 5932 14930 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:af:75:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84029sec preferred_lft 84029sec inet6 fe80::f816:3eff:feaf:7570/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:83:2d:e0:69:df 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-284) 01/14/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 17.54 0.92 15.46 1.16 38.63 4444.91 4631.22 20:50:10 59.42 0.00 47.35 12.07 0.00 3537.22 5748.01 21:00:10 42.36 0.14 23.01 19.21 6.60 4822.83 248743.26 Average: 39.90 0.35 28.72 10.83 14.97 4264.09 86012.23 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9138912 13420980 2531228 15.46 180972 4162992 3043592 17.47 891644 5881972 324004 20:50:10 8342212 12984592 2963588 18.10 206124 4464700 3160508 18.14 996008 6547864 108380 21:00:10 9646388 15354996 588648 3.60 244284 5436020 1089628 6.25 1379060 4763844 20 Average: 9042504 13920189 2027821 12.39 210460 4687904 2431243 13.96 1088904 5731227 144135 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 85.39 85.39 80.18 80.18 0.00 0.00 0.00 0.00 20:40:00 ens3 87.73 68.10 314.31 20.00 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5645.85 5645.85 5381.56 5381.56 0.00 0.00 0.00 0.00 20:50:10 ens3 87.03 62.88 28.58 21.39 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:10 lo 1891.56 1891.56 1790.72 1790.72 0.00 0.00 0.00 0.00 21:00:10 ens3 104.17 93.21 137.85 155.47 0.00 0.00 0.00 0.00 21:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2560.67 2560.67 2436.32 2436.32 0.00 0.00 0.00 0.00 Average: ens3 92.95 74.67 159.36 65.42 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-284) 01/14/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 69.52 0.00 2.42 0.15 0.10 27.82 20:40:00 0 69.66 0.00 2.31 0.24 0.10 27.70 20:40:00 1 69.78 0.00 2.40 0.23 0.10 27.49 20:40:00 2 69.96 0.00 2.44 0.09 0.10 27.42 20:40:00 3 68.68 0.00 2.52 0.03 0.10 28.67 20:50:10 all 61.42 0.00 4.14 0.10 0.09 34.25 20:50:10 0 60.66 0.00 3.66 0.10 0.10 35.49 20:50:10 1 63.32 0.00 4.85 0.07 0.09 31.66 20:50:10 2 60.36 0.00 3.62 0.16 0.10 35.75 20:50:10 3 61.32 0.00 4.41 0.08 0.09 34.10 21:00:10 all 43.99 0.00 2.31 0.11 0.08 53.51 21:00:10 0 44.07 0.00 2.44 0.17 0.08 53.24 21:00:10 1 42.03 0.00 2.43 0.04 0.08 55.42 21:00:10 2 41.26 0.00 2.13 0.20 0.07 56.34 21:00:10 3 48.61 0.00 2.23 0.05 0.08 49.03 Average: all 58.31 0.00 2.96 0.12 0.09 38.52 Average: 0 58.13 0.00 2.81 0.17 0.09 38.81 Average: 1 58.39 0.00 3.24 0.12 0.09 38.17 Average: 2 57.19 0.00 2.74 0.15 0.09 39.84 Average: 3 59.54 0.00 3.06 0.06 0.09 37.25