---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2368 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 67G 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 636 10390 4 4962 15009 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:d8:61:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83573sec preferred_lft 83573sec inet6 fe80::f816:3eff:fed8:61d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:8e:fc:a7:14:22 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-2368) 01/20/26 _x86_64_ (4 CPU) 13:55:29 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:07 5.27 0.56 4.37 0.34 602.99 655.05 6465.84 14:20:00 41.42 4.19 36.63 0.60 245.69 3265.45 546.47 14:30:01 3.73 0.09 3.48 0.15 8.58 634.17 23.11 14:40:19 15.54 0.51 13.95 1.07 18.86 2082.13 3525.48 Average: 16.38 1.32 14.51 0.54 218.36 1655.15 2661.89 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:07 13452796 15524516 490256 2.99 58732 2237212 1141952 6.55 396152 2264944 36 14:20:00 11494172 14471680 1493888 9.12 106960 3053080 1886656 10.83 626868 3939916 7916 14:30:01 8136028 11288436 4674888 28.55 112720 3208848 4850924 27.84 680212 7220280 1296 14:40:19 9099008 12966740 2992440 18.28 133704 3864036 3457152 19.84 890792 6008072 271012 Average: 10545501 13562843 2412868 14.74 103029 3090794 2834171 16.27 648506 4858303 70065 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:07 lo 0.14 0.14 0.02 0.02 0.00 0.00 0.00 0.00 14:10:07 ens3 7.81 3.85 183.79 0.32 0.00 0.00 0.00 0.00 14:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 0.33 0.33 0.05 0.05 0.00 0.00 0.00 0.00 14:20:00 ens3 71.44 54.30 680.56 10.05 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 14:30:01 ens3 11.35 9.65 77.40 2.42 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:19 lo 426.01 426.01 405.25 405.25 0.00 0.00 0.00 0.00 14:40:19 ens3 36.80 25.75 397.61 3.82 0.00 0.00 0.00 0.00 14:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 109.19 109.19 103.73 103.73 0.00 0.00 0.00 0.00 Average: ens3 31.71 23.27 333.91 4.13 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-2368) 01/20/26 _x86_64_ (4 CPU) 13:55:29 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:07 all 0.42 0.00 0.12 0.16 0.02 99.28 14:10:07 0 0.31 0.00 0.13 0.18 0.01 99.37 14:10:07 1 0.32 0.00 0.10 0.29 0.02 99.27 14:10:07 2 0.79 0.00 0.14 0.07 0.02 98.98 14:10:07 3 0.24 0.00 0.12 0.12 0.02 99.51 14:20:00 all 14.01 0.00 0.56 0.28 0.04 85.11 14:20:00 0 13.68 0.00 0.38 0.07 0.04 85.82 14:20:00 1 15.42 0.00 0.60 0.14 0.03 83.80 14:20:00 2 13.12 0.00 0.67 0.49 0.04 85.68 14:20:00 3 13.84 0.00 0.58 0.41 0.03 85.13 14:30:01 all 47.36 0.00 0.64 0.04 0.08 51.88 14:30:01 0 60.32 0.00 0.75 0.02 0.09 38.83 14:30:01 1 51.27 0.00 0.59 0.02 0.08 48.04 14:30:01 2 36.11 0.00 0.62 0.09 0.08 63.11 14:30:01 3 41.75 0.00 0.60 0.03 0.07 57.54 14:40:19 all 55.89 0.00 1.14 0.12 0.09 42.76 14:40:19 0 51.37 0.00 1.14 0.16 0.10 47.23 14:40:19 1 63.63 0.00 1.09 0.05 0.09 35.14 14:40:19 2 47.63 0.00 1.21 0.12 0.08 50.95 14:40:19 3 60.93 0.00 1.13 0.13 0.10 37.71 Average: all 29.58 0.00 0.62 0.15 0.06 69.60 Average: 0 31.54 0.00 0.60 0.11 0.06 67.69 Average: 1 32.85 0.00 0.60 0.12 0.06 66.37 Average: 2 24.54 0.00 0.66 0.19 0.06 74.55 Average: 3 29.38 0.00 0.61 0.17 0.05 69.78