---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53446 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 9.2G 69G 12% / 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 598 11917 4 3473 15048 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:11:2f:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81157sec preferred_lft 81157sec inet6 fe80::f816:3eff:fe11:2f9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:33:2e:67:cc:7b 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-53446) 03/27/26 _x86_64_ (4 CPU) 08:29:47 LINUX RESTART (4 CPU) 08:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:05 12.51 6.83 5.60 0.08 1236.60 4143.00 663.93 08:50:05 1.23 0.00 1.22 0.00 0.04 14.35 0.00 09:00:05 62.22 4.69 43.14 14.39 272.70 4982.27 243514.85 09:10:05 2.99 0.00 2.78 0.21 0.00 63.00 878.47 09:20:05 1.50 0.00 1.50 0.00 0.01 17.72 0.00 09:30:05 2.03 0.00 2.03 0.00 0.00 23.83 0.00 09:40:05 2.17 0.00 2.17 0.00 0.00 25.36 0.00 09:50:05 1.50 0.00 1.50 0.00 0.00 17.72 0.00 Average: 10.77 1.45 7.49 1.83 189.85 1164.27 30597.72 08:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:05 13791100 15527036 492064 3.01 54100 1908708 1125196 6.46 192968 2145576 240 08:50:05 13790860 15527328 491728 3.00 54464 1908848 1125196 6.46 193344 2146624 228 09:00:05 10529764 13714216 2247448 13.73 112768 3216552 2556284 14.67 617908 4857816 4496 09:10:05 10522976 13710892 2250788 13.75 114308 3218340 2558392 14.69 619448 4864308 228 09:20:05 10521716 13710096 2251492 13.75 114796 3218348 2558584 14.69 619944 4864500 188 09:30:05 10520484 13709700 2251948 13.75 115472 3218480 2558712 14.69 620612 4864916 184 09:40:05 10518480 13708464 2253156 13.76 116296 3218496 2559036 14.69 621444 4865288 268 09:50:05 10517476 13708056 2253512 13.76 116752 3218632 2559168 14.69 621900 4865640 244 Average: 11339107 14164474 1811517 11.06 99870 2890800 2200071 12.63 513446 4184334 760 08:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:05 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 08:40:05 ens3 9.41 8.19 65.89 1.97 0.00 0.00 0.00 0.00 08:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:05 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 08:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:05 lo 0.53 0.53 0.07 0.07 0.00 0.00 0.00 0.00 09:00:05 ens3 90.20 67.20 898.81 12.77 0.00 0.00 0.00 0.00 09:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:10:05 ens3 0.36 0.18 0.12 0.08 0.00 0.00 0.00 0.00 09:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:20:05 ens3 0.17 0.07 0.04 0.02 0.00 0.00 0.00 0.00 09:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:05 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 09:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:05 ens3 0.29 0.12 0.07 0.04 0.00 0.00 0.00 0.00 09:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:50:05 ens3 0.46 0.17 0.15 0.09 0.00 0.00 0.00 0.00 09:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 12.66 9.51 120.58 1.88 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-53446) 03/27/26 _x86_64_ (4 CPU) 08:29:47 LINUX RESTART (4 CPU) 08:30:00 CPU %user %nice %system %iowait %steal %idle 08:40:05 all 0.63 0.00 0.19 0.12 0.01 99.05 08:40:05 0 0.58 0.00 0.15 0.07 0.01 99.19 08:40:05 1 0.62 0.00 0.28 0.08 0.01 99.00 08:40:05 2 0.73 0.00 0.19 0.23 0.02 98.83 08:40:05 3 0.57 0.00 0.16 0.08 0.01 99.18 08:50:05 all 0.10 0.00 0.03 0.01 0.01 99.84 08:50:05 0 0.13 0.00 0.03 0.00 0.02 99.82 08:50:05 1 0.02 0.00 0.03 0.01 0.02 99.92 08:50:05 2 0.11 0.00 0.02 0.01 0.01 99.85 08:50:05 3 0.16 0.00 0.03 0.02 0.02 99.78 09:00:05 all 18.71 0.00 0.95 0.27 0.05 80.02 09:00:05 0 20.32 0.00 1.22 0.14 0.05 78.26 09:00:05 1 17.16 0.00 1.04 0.76 0.05 80.99 09:00:05 2 18.52 0.00 0.74 0.11 0.05 80.59 09:00:05 3 18.81 0.00 0.81 0.08 0.05 80.26 09:10:05 all 0.35 0.00 0.08 0.07 0.05 99.46 09:10:05 0 0.24 0.00 0.05 0.01 0.04 99.65 09:10:05 1 0.42 0.00 0.09 0.25 0.05 99.19 09:10:05 2 0.34 0.00 0.09 0.00 0.05 99.52 09:10:05 3 0.38 0.00 0.09 0.01 0.05 99.47 09:20:05 all 0.27 0.00 0.07 0.02 0.03 99.61 09:20:05 0 0.06 0.00 0.05 0.02 0.02 99.87 09:20:05 1 0.17 0.00 0.10 0.02 0.03 99.68 09:20:05 2 0.66 0.00 0.05 0.05 0.03 99.21 09:20:05 3 0.18 0.00 0.08 0.00 0.04 99.70 09:30:05 all 0.24 0.00 0.07 0.18 0.11 99.40 09:30:05 0 0.06 0.00 0.06 0.01 0.09 99.78 09:30:05 1 0.13 0.00 0.08 0.65 0.15 98.99 09:30:05 2 0.65 0.00 0.09 0.05 0.13 99.07 09:30:05 3 0.13 0.00 0.06 0.01 0.05 99.75 09:40:05 all 0.26 0.00 0.08 0.01 0.03 99.61 09:40:05 0 0.64 0.00 0.08 0.04 0.04 99.21 09:40:05 1 0.17 0.00 0.11 0.01 0.04 99.68 09:40:05 2 0.10 0.00 0.06 0.01 0.03 99.81 09:40:05 3 0.15 0.00 0.07 0.00 0.02 99.76 09:50:05 all 0.20 0.00 0.08 0.01 0.03 99.68 09:50:05 0 0.13 0.00 0.07 0.02 0.02 99.76 09:50:05 1 0.37 0.00 0.08 0.00 0.04 99.51 09:50:05 2 0.17 0.00 0.11 0.01 0.04 99.69 09:50:05 3 0.14 0.00 0.07 0.00 0.02 99.76 Average: all 2.60 0.00 0.19 0.09 0.04 97.08 Average: 0 2.79 0.00 0.21 0.04 0.04 96.93 Average: 1 2.38 0.00 0.23 0.22 0.05 97.12 Average: 2 2.66 0.00 0.17 0.06 0.04 97.07 Average: 3 2.57 0.00 0.17 0.03 0.03 97.21