---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53590 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 11G 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 697 9817 4 5474 14949 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:6c:a5:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81352sec preferred_lft 81352sec inet6 fe80::f816:3eff:fe6c:a5f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:5a:57:53:3c:29 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53590) 03/27/26 _x86_64_ (4 CPU) 17:35:29 LINUX RESTART (4 CPU) 17:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:01 9.54 6.87 2.52 0.15 280.62 276.46 447.92 18:00:18 6.73 5.13 1.60 0.00 57.90 29.20 0.05 18:10:01 1.16 0.00 1.16 0.00 0.00 13.67 0.00 18:20:15 13.82 0.01 1.34 12.47 0.18 15.39 237396.84 18:30:18 44.11 4.65 38.52 0.94 274.87 4560.85 4571.88 18:40:01 49.70 0.02 41.70 7.98 0.62 1855.50 158796.98 18:50:00 23.34 0.16 19.88 3.31 4.87 1880.32 25812.42 Average: 21.10 2.43 15.11 3.56 88.89 1228.96 61126.98 17:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:01 13633716 15528372 482784 2.95 57396 2057884 1144836 6.57 277956 2208472 1012 18:00:18 13607436 15523912 485352 2.96 58928 2076180 1140464 6.55 295364 2208908 4 18:10:01 13606456 15523272 485964 2.97 59256 2076188 1140464 6.55 295668 2209420 216 18:20:15 13600944 15523224 485912 2.97 59900 2080996 1140720 6.55 301116 2210220 36 18:30:18 10403964 13652336 2308808 14.10 119776 3265692 2628032 15.08 693200 4899920 4664 18:40:01 9656876 13185704 2772968 16.94 159960 3483260 3082924 17.70 780408 5541072 372 18:50:00 9407476 13295984 2659368 16.24 177164 3797900 2822328 16.20 892152 5644944 20848 Average: 11988124 14604686 1383022 8.45 98911 2691157 1871395 10.74 505123 3560422 3879 17:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 17:50:01 ens3 5.93 3.90 59.27 0.29 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:00:18 ens3 0.27 0.12 0.07 0.04 0.00 0.00 0.00 0.00 18:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:10:01 ens3 0.24 0.09 0.04 0.02 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:15 ens3 0.20 0.07 0.04 0.02 0.00 0.00 0.00 0.00 18:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:18 lo 0.53 0.53 0.07 0.07 0.00 0.00 0.00 0.00 18:30:18 ens3 104.37 78.38 912.25 16.61 0.00 0.00 0.00 0.00 18:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:01 lo 26.42 26.42 6.10 6.10 0.00 0.00 0.00 0.00 18:40:01 ens3 17.07 13.00 15.46 4.47 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:00 lo 1273.07 1273.07 1186.23 1186.23 0.00 0.00 0.00 0.00 18:50:00 ens3 40.73 28.03 265.33 6.79 0.00 0.00 0.00 0.00 18:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 185.51 185.51 170.17 170.17 0.00 0.00 0.00 0.00 Average: ens3 24.12 17.66 179.53 4.03 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53590) 03/27/26 _x86_64_ (4 CPU) 17:35:29 LINUX RESTART (4 CPU) 17:40:01 CPU %user %nice %system %iowait %steal %idle 17:50:01 all 0.21 0.04 0.08 0.09 0.07 99.51 17:50:01 0 0.18 0.00 0.05 0.05 0.13 99.59 17:50:01 1 0.07 0.00 0.05 0.02 0.10 99.77 17:50:01 2 0.11 0.16 0.16 0.22 0.02 99.32 17:50:01 3 0.47 0.00 0.06 0.06 0.05 99.37 18:00:18 all 0.11 0.04 0.03 0.10 0.01 99.71 18:00:18 0 0.04 0.00 0.04 0.25 0.01 99.65 18:00:18 1 0.05 0.00 0.03 0.02 0.01 99.88 18:00:18 2 0.02 0.15 0.04 0.12 0.01 99.66 18:00:18 3 0.32 0.00 0.02 0.00 0.01 99.65 18:10:01 all 0.06 0.00 0.03 0.06 0.01 99.84 18:10:01 0 0.04 0.00 0.05 0.05 0.02 99.84 18:10:01 1 0.01 0.00 0.02 0.08 0.00 99.88 18:10:01 2 0.02 0.00 0.02 0.11 0.01 99.83 18:10:01 3 0.16 0.00 0.03 0.00 0.01 99.80 18:20:15 all 0.04 0.00 0.03 0.04 0.18 99.70 18:20:15 0 0.03 0.00 0.03 0.00 0.18 99.76 18:20:15 1 0.04 0.00 0.02 0.00 0.29 99.66 18:20:15 2 0.03 0.00 0.05 0.15 0.16 99.61 18:20:15 3 0.07 0.00 0.03 0.00 0.11 99.79 18:30:18 all 21.21 0.00 1.18 0.26 0.29 77.07 18:30:18 0 22.72 0.00 1.16 0.15 0.34 75.63 18:30:18 1 19.02 0.00 1.18 0.07 0.33 79.40 18:30:18 2 21.34 0.00 1.26 0.47 0.35 76.58 18:30:18 3 21.77 0.00 1.13 0.33 0.12 76.65 18:40:01 all 31.83 0.00 1.52 0.46 0.11 66.09 18:40:01 0 29.82 0.00 1.23 0.40 0.11 68.44 18:40:01 1 33.81 0.00 1.40 0.49 0.11 64.19 18:40:01 2 30.97 0.00 1.27 0.48 0.10 67.17 18:40:01 3 32.71 0.00 2.17 0.46 0.12 64.55 18:50:00 all 28.69 0.00 1.71 0.10 0.15 69.34 18:50:00 0 26.52 0.00 1.57 0.08 0.19 71.65 18:50:00 1 29.18 0.00 1.70 0.18 0.12 68.81 18:50:00 2 29.63 0.00 2.03 0.06 0.12 68.17 18:50:00 3 29.45 0.00 1.56 0.10 0.16 68.73 Average: all 11.60 0.01 0.65 0.16 0.12 87.46 Average: 0 11.21 0.00 0.58 0.14 0.14 87.92 Average: 1 11.59 0.00 0.62 0.12 0.14 87.53 Average: 2 11.59 0.05 0.68 0.23 0.11 87.34 Average: 3 12.01 0.00 0.70 0.14 0.08 87.07