---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19321 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 UTC 2026 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 60G 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 724 10979 3 4286 14922 Swap: 1023 1 1022 ---> 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:d3:1f:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79789sec preferred_lft 79789sec inet6 fe80::f816:3eff:fed3:1f40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:55:59:e1:84:1d 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-19321) 02/20/26 _x86_64_ (4 CPU) 13:08:50 LINUX RESTART (4 CPU) 13:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:12 100.29 4.36 90.94 5.00 596.04 35256.97 14149.49 13:30:12 77.60 25.60 49.55 2.45 385.15 4899.71 1801.61 13:40:12 13.08 0.14 12.13 0.80 8.43 426.03 1145.89 13:50:12 21.90 0.18 6.23 15.49 5.05 433.37 210309.97 14:00:11 18.48 0.02 17.60 0.87 0.65 580.47 521.65 14:10:12 7.51 0.01 7.18 0.32 0.61 215.59 349.38 14:20:12 4.57 0.01 4.37 0.20 0.25 131.67 60.77 14:30:12 4.54 0.02 4.32 0.19 1.49 145.32 181.35 14:40:11 5.77 0.34 5.27 0.16 11.05 160.15 52.17 14:50:12 11.99 0.04 11.40 0.55 1.81 666.92 155.13 Average: 26.57 3.07 20.90 2.60 101.05 4291.56 22872.35 13:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:12 2015572 13358704 2561824 15.65 257668 10831996 3328464 19.11 2119696 11434292 759236 13:30:12 2535376 5627928 10303840 62.93 260348 2833684 11048384 63.42 2153856 11113144 648 13:40:12 6674204 9802388 6132460 37.45 261772 2867888 6948940 39.89 2170056 6984008 6144 13:50:12 9374912 12596660 3341452 20.41 267640 2955524 4379564 25.14 2193312 4275276 148 14:00:11 9625008 12925784 3012592 18.40 270760 3031432 3705176 21.27 2218064 3999496 164 14:10:12 7979092 11307416 4629992 28.28 271612 3058128 5341688 30.66 2219968 5638388 212 14:20:12 7984892 11330316 4607024 28.14 272060 3074800 5291292 30.37 2220936 5618660 192 14:30:12 6431496 9797576 6138900 37.49 272668 3094844 6851988 39.33 2223316 7175408 236 14:40:11 6345536 9736096 6200216 37.87 273712 3118284 6924660 39.75 2228724 7255852 320 14:50:12 7783904 11316608 4620700 28.22 277944 3255160 5220912 29.97 2245276 5803700 160 Average: 6674999 10779948 5154900 31.48 268618 3812174 5904107 33.89 2199320 6929822 76746 13:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:12 lo 3.00 3.00 2.40 2.40 0.00 0.00 0.00 0.00 13:20:12 ens3 127.23 91.64 2025.44 10.25 0.00 0.00 0.00 0.00 13:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:12 lo 45.13 45.13 27.01 27.01 0.00 0.00 0.00 0.00 13:30:12 ens3 2.30 2.00 0.51 1.47 0.00 0.00 0.00 0.00 13:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:12 lo 33.58 33.58 14.61 14.61 0.00 0.00 0.00 0.00 13:40:12 ens3 1.15 0.88 0.23 0.19 0.00 0.00 0.00 0.00 13:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:12 lo 8.06 8.06 3.26 3.26 0.00 0.00 0.00 0.00 13:50:12 ens3 0.60 0.33 0.14 0.10 0.00 0.00 0.00 0.00 13:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:11 lo 13.42 13.42 7.86 7.86 0.00 0.00 0.00 0.00 14:00:11 ens3 1.13 0.84 0.28 0.21 0.00 0.00 0.00 0.00 14:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:12 lo 19.26 19.26 9.15 9.15 0.00 0.00 0.00 0.00 14:10:12 ens3 1.08 0.71 0.31 0.23 0.00 0.00 0.00 0.00 14:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:12 lo 18.57 18.57 6.71 6.71 0.00 0.00 0.00 0.00 14:20:12 ens3 0.55 0.35 0.10 0.07 0.00 0.00 0.00 0.00 14:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:12 lo 25.81 25.81 11.46 11.46 0.00 0.00 0.00 0.00 14:30:12 ens3 0.67 0.46 0.13 0.09 0.00 0.00 0.00 0.00 14:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:11 lo 17.69 17.69 10.39 10.39 0.00 0.00 0.00 0.00 14:40:11 ens3 0.77 0.54 0.19 0.14 0.00 0.00 0.00 0.00 14:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:12 lo 17.97 17.97 10.02 10.02 0.00 0.00 0.00 0.00 14:50:12 ens3 0.95 0.97 0.25 0.21 0.00 0.00 0.00 0.00 14:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.25 20.25 10.29 10.29 0.00 0.00 0.00 0.00 Average: ens3 13.64 9.87 202.76 1.30 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-19321) 02/20/26 _x86_64_ (4 CPU) 13:08:50 LINUX RESTART (4 CPU) 13:10:12 CPU %user %nice %system %iowait %steal %idle 13:20:12 all 41.84 0.00 2.42 1.60 0.10 54.04 13:20:12 0 44.16 0.00 2.39 1.63 0.10 51.72 13:20:12 1 40.58 0.00 2.20 1.40 0.10 55.73 13:20:12 2 44.89 0.00 2.61 1.06 0.10 51.34 13:20:12 3 37.73 0.00 2.50 2.30 0.10 57.38 13:30:12 all 63.68 0.00 2.42 0.11 0.14 33.65 13:30:12 0 64.55 0.00 2.32 0.17 0.14 32.82 13:30:12 1 63.22 0.00 2.51 0.09 0.13 34.05 13:30:12 2 62.45 0.00 2.40 0.11 0.13 34.91 13:30:12 3 64.49 0.00 2.48 0.08 0.14 32.82 13:40:12 all 30.93 0.00 1.32 0.05 0.12 67.58 13:40:12 0 30.59 0.00 1.22 0.02 0.12 68.05 13:40:12 1 31.00 0.00 1.27 0.04 0.12 67.57 13:40:12 2 30.64 0.00 1.36 0.11 0.12 67.77 13:40:12 3 31.49 0.00 1.43 0.02 0.12 66.94 13:50:12 all 6.20 0.00 0.33 0.06 0.10 93.31 13:50:12 0 6.51 0.00 0.33 0.02 0.09 93.05 13:50:12 1 5.97 0.00 0.38 0.04 0.10 93.51 13:50:12 2 6.00 0.00 0.36 0.13 0.10 93.41 13:50:12 3 6.32 0.00 0.27 0.05 0.10 93.26 14:00:11 all 28.22 0.00 0.97 0.07 0.10 70.64 14:00:11 0 27.88 0.00 1.10 0.05 0.10 70.87 14:00:11 1 28.78 0.00 0.90 0.05 0.10 70.16 14:00:11 2 27.67 0.00 0.90 0.10 0.11 71.22 14:00:11 3 28.55 0.00 0.99 0.07 0.10 70.29 14:10:12 all 13.58 0.00 0.46 0.03 0.09 85.84 14:10:12 0 13.40 0.00 0.46 0.01 0.09 86.04 14:10:12 1 13.74 0.00 0.38 0.04 0.10 85.75 14:10:12 2 13.70 0.00 0.52 0.06 0.10 85.62 14:10:12 3 13.51 0.00 0.46 0.01 0.08 85.94 14:20:12 all 7.77 0.00 0.40 0.02 0.09 91.72 14:20:12 0 7.55 0.00 0.34 0.01 0.08 92.02 14:20:12 1 8.01 0.00 0.45 0.03 0.09 91.43 14:20:12 2 7.93 0.00 0.46 0.06 0.09 91.46 14:20:12 3 7.59 0.00 0.35 0.01 0.08 91.97 14:30:12 all 10.23 0.00 0.45 0.03 0.09 89.20 14:30:12 0 10.59 0.00 0.50 0.05 0.09 88.77 14:30:12 1 10.26 0.00 0.42 0.02 0.10 89.19 14:30:12 2 10.04 0.00 0.48 0.03 0.10 89.34 14:30:12 3 10.01 0.00 0.39 0.00 0.09 89.51 14:40:11 all 9.75 0.00 0.44 0.03 0.10 89.69 14:40:11 0 9.41 0.00 0.40 0.02 0.09 90.09 14:40:11 1 9.51 0.00 0.52 0.05 0.10 89.81 14:40:11 2 9.90 0.00 0.42 0.05 0.10 89.53 14:40:11 3 10.18 0.00 0.42 0.00 0.09 89.31 14:50:12 all 19.57 0.00 0.69 0.05 0.10 79.58 14:50:12 0 19.68 0.00 0.69 0.02 0.10 79.52 14:50:12 1 20.36 0.00 0.70 0.05 0.11 78.78 14:50:12 2 18.96 0.00 0.66 0.03 0.11 80.24 14:50:12 3 19.27 0.00 0.73 0.11 0.10 79.78 Average: all 23.18 0.00 0.99 0.20 0.10 75.52 Average: 0 23.43 0.00 0.97 0.20 0.10 75.29 Average: 1 23.15 0.00 0.97 0.18 0.11 75.59 Average: 2 23.22 0.00 1.02 0.17 0.11 75.48 Average: 3 22.92 0.00 1.00 0.26 0.10 75.72