---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4539 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 18G 61G 23% / 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 691 11674 3 3624 14939 Swap: 1023 28 995 ---> 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:78:7a:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80363sec preferred_lft 80363sec inet6 fe80::f816:3eff:fe78:7a42/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:56:cf:f1:af:60 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-16g-4539) 01/26/26 _x86_64_ (4 CPU) 12:04:57 LINUX RESTART (4 CPU) 12:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:16 116.24 21.67 90.61 3.96 366.81 30725.49 15067.67 12:30:16 36.12 10.66 24.35 1.11 200.83 1645.12 1341.84 12:40:09 19.96 3.34 15.92 0.71 68.17 645.87 762.70 12:50:17 13.98 0.35 12.98 0.64 11.25 336.45 854.12 13:00:13 5.19 0.31 4.70 0.19 5.33 116.01 110.19 13:10:17 5.57 0.04 5.36 0.17 2.21 134.93 271.24 13:20:17 21.03 0.16 5.60 15.27 3.37 136.56 210974.28 13:30:18 4.87 0.04 4.67 0.16 0.84 123.78 69.03 13:40:13 9.05 0.16 8.55 0.34 4.95 522.78 313.77 Average: 26.00 4.12 19.36 2.51 74.41 3885.98 25512.25 12:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:16 1113908 5588492 10340296 63.15 256100 4122620 11998600 68.87 2196116 12399444 258532 12:30:16 3727788 6385868 9536248 58.24 256072 2465800 10831264 62.17 1942684 10190680 60 12:40:09 12537276 15310456 616844 3.77 261276 2575716 1327144 7.62 2005344 1327772 5320 12:50:17 8592752 11396800 4528620 27.66 263844 2604036 5260724 30.20 2012616 5273660 212 13:00:13 8552688 11369252 4556148 27.83 264592 2615832 5275272 30.28 2015512 5307564 292 13:10:17 7005656 9837452 6087016 37.18 265292 2630372 6781720 38.93 2017968 6851124 80 13:20:17 6961820 9815700 6108732 37.31 268172 2649568 6749564 38.74 2028452 6876836 252 13:30:18 8578144 11447984 4477488 27.35 268848 2664868 5188004 29.78 2030928 5258432 36 13:40:13 12301072 15299436 627824 3.83 272580 2789628 1319544 7.57 2057000 1506604 17624 Average: 7707900 10716827 5208802 31.81 264086 2790938 6081315 34.91 2034069 6110235 31379 12:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:16 lo 14.31 14.31 12.32 12.32 0.00 0.00 0.00 0.00 12:20:16 ens3 54.05 41.42 779.40 4.47 0.00 0.00 0.00 0.00 12:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:16 lo 39.99 39.99 19.02 19.02 0.00 0.00 0.00 0.00 12:30:16 ens3 1.79 1.41 0.36 0.30 0.00 0.00 0.00 0.00 12:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:09 lo 21.81 21.81 8.62 8.62 0.00 0.00 0.00 0.00 12:40:09 ens3 1.93 1.68 0.38 1.25 0.00 0.00 0.00 0.00 12:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:17 lo 20.60 20.60 10.92 10.92 0.00 0.00 0.00 0.00 12:50:17 ens3 0.93 0.69 0.20 0.15 0.00 0.00 0.00 0.00 12:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:13 lo 23.15 23.15 8.90 8.90 0.00 0.00 0.00 0.00 13:00:13 ens3 0.78 0.52 0.19 0.14 0.00 0.00 0.00 0.00 13:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:17 lo 25.55 25.55 11.37 11.37 0.00 0.00 0.00 0.00 13:10:17 ens3 0.69 0.49 0.15 0.11 0.00 0.00 0.00 0.00 13:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:17 lo 16.19 16.19 10.02 10.02 0.00 0.00 0.00 0.00 13:20:17 ens3 0.74 0.51 0.16 0.12 0.00 0.00 0.00 0.00 13:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:18 lo 6.33 6.33 3.21 3.21 0.00 0.00 0.00 0.00 13:30:18 ens3 0.68 0.37 0.19 0.13 0.00 0.00 0.00 0.00 13:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:13 lo 23.36 23.36 10.99 10.99 0.00 0.00 0.00 0.00 13:40:13 ens3 1.31 0.92 0.39 0.30 0.00 0.00 0.00 0.00 13:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.24 21.24 10.60 10.60 0.00 0.00 0.00 0.00 Average: ens3 7.10 5.42 88.52 0.78 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-16g-4539) 01/26/26 _x86_64_ (4 CPU) 12:04:57 LINUX RESTART (4 CPU) 12:10:03 CPU %user %nice %system %iowait %steal %idle 12:20:16 all 55.30 0.00 2.47 1.05 0.10 41.08 12:20:16 0 57.37 0.00 2.61 0.77 0.10 39.15 12:20:16 1 54.01 0.00 2.42 1.84 0.10 41.62 12:20:16 2 53.81 0.00 2.25 0.62 0.09 43.23 12:20:16 3 56.00 0.00 2.62 0.98 0.10 40.30 12:30:16 all 38.79 0.00 1.60 0.10 0.11 59.40 12:30:16 0 38.93 0.00 1.49 0.03 0.11 59.44 12:30:16 1 38.52 0.00 1.62 0.13 0.11 59.62 12:30:16 2 38.79 0.00 1.63 0.18 0.11 59.29 12:30:16 3 38.93 0.00 1.64 0.07 0.11 59.25 12:40:09 all 21.88 0.00 0.87 0.09 0.10 77.07 12:40:09 0 22.10 0.00 0.94 0.04 0.10 76.82 12:40:09 1 22.34 0.00 0.71 0.06 0.09 76.79 12:40:09 2 21.18 0.00 0.88 0.15 0.10 77.69 12:40:09 3 21.91 0.00 0.94 0.09 0.09 76.96 12:50:17 all 24.04 0.00 0.80 0.04 0.10 75.02 12:50:17 0 24.54 0.00 0.84 0.03 0.09 74.49 12:50:17 1 23.40 0.00 0.76 0.01 0.09 75.74 12:50:17 2 23.92 0.00 0.89 0.07 0.10 75.02 12:50:17 3 24.30 0.00 0.71 0.05 0.10 74.84 13:00:13 all 7.95 0.00 0.42 0.02 0.09 91.51 13:00:13 0 7.20 0.00 0.44 0.00 0.09 92.26 13:00:13 1 8.05 0.00 0.48 0.01 0.09 91.36 13:00:13 2 8.60 0.00 0.36 0.03 0.10 90.92 13:00:13 3 7.96 0.00 0.40 0.05 0.09 91.50 13:10:17 all 10.18 0.00 0.45 0.02 0.09 89.26 13:10:17 0 10.20 0.00 0.44 0.03 0.09 89.24 13:10:17 1 10.55 0.00 0.53 0.02 0.09 88.80 13:10:17 2 9.87 0.00 0.45 0.01 0.09 89.58 13:10:17 3 10.08 0.00 0.37 0.02 0.09 89.43 13:20:17 all 9.50 0.00 0.42 3.24 0.09 86.75 13:20:17 0 9.47 0.00 0.49 3.24 0.10 86.71 13:20:17 1 9.22 0.00 0.37 3.20 0.09 87.11 13:20:17 2 9.89 0.00 0.42 3.19 0.10 86.41 13:20:17 3 9.43 0.00 0.38 3.33 0.09 86.76 13:30:18 all 6.65 0.00 0.38 0.02 0.09 92.87 13:30:18 0 6.54 0.00 0.49 0.01 0.10 92.86 13:30:18 1 7.14 0.00 0.35 0.01 0.09 92.41 13:30:18 2 6.69 0.00 0.34 0.03 0.09 92.84 13:30:18 3 6.21 0.00 0.32 0.02 0.10 93.36 13:40:13 all 14.45 0.00 0.71 0.05 0.09 84.70 13:40:13 0 14.31 0.00 0.67 0.05 0.09 84.89 13:40:13 1 14.14 0.00 0.73 0.05 0.09 85.00 13:40:13 2 15.06 0.00 0.82 0.03 0.09 84.00 13:40:13 3 14.29 0.00 0.64 0.06 0.09 84.92 Average: all 21.06 0.00 0.91 0.51 0.10 77.43 Average: 0 21.27 0.00 0.94 0.47 0.10 77.22 Average: 1 20.90 0.00 0.89 0.59 0.09 77.52 Average: 2 20.96 0.00 0.90 0.48 0.10 77.57 Average: 3 21.10 0.00 0.90 0.52 0.10 77.38