---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35981 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 5600.00 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 12G 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 749 9336 4 5903 14897 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:99:1d:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83958sec preferred_lft 83958sec inet6 fe80::f816:3eff:fe99:1d72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:c2:63:a5:aa:6e 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35981) 08/11/26 _x86_64_ (4 CPU) 20:24:16 LINUX RESTART (4 CPU) 20:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:04 18.55 0.51 16.35 1.70 15.85 4675.50 6853.81 20:50:06 55.57 0.00 44.61 10.97 0.00 2633.23 33025.08 21:00:05 28.49 0.15 23.31 5.04 10.52 4640.89 5378.11 Average: 34.24 0.22 28.12 5.91 8.77 3980.75 15118.46 20:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:04 9342984 13549088 2404044 14.68 189540 4066724 2667208 15.31 753476 5795436 13320 20:50:06 8380240 13031728 2917484 17.82 215004 4449764 3144444 18.05 851408 6639668 127804 21:00:05 9693236 15371696 573252 3.50 247128 5390792 1122124 6.44 1217544 4883868 228 Average: 9138820 13984171 1964927 12.00 217224 4635760 2311259 13.27 940809 5772991 47117 20:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:04 lo 391.63 391.63 372.36 372.36 0.00 0.00 0.00 0.00 20:40:04 ens3 88.45 67.63 327.69 19.70 0.00 0.00 0.00 0.00 20:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:06 lo 5944.85 5944.85 5670.17 5670.17 0.00 0.00 0.00 0.00 20:50:06 ens3 69.29 52.22 24.66 18.58 0.00 0.00 0.00 0.00 20:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 2186.27 2186.27 2072.51 2072.51 0.00 0.00 0.00 0.00 21:00:05 ens3 115.26 97.75 139.45 147.24 0.00 0.00 0.00 0.00 21:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2846.49 2846.49 2710.34 2710.34 0.00 0.00 0.00 0.00 Average: ens3 90.96 72.50 163.69 61.76 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35981) 08/11/26 _x86_64_ (4 CPU) 20:24:16 LINUX RESTART (4 CPU) 20:30:05 CPU %user %nice %system %iowait %steal %idle 20:40:04 all 68.72 0.00 2.59 0.05 0.11 28.54 20:40:04 0 66.46 0.00 2.39 0.04 0.11 31.00 20:40:04 1 68.09 0.00 2.59 0.04 0.11 29.16 20:40:04 2 69.99 0.00 2.69 0.06 0.11 27.17 20:40:04 3 70.35 0.00 2.68 0.05 0.11 26.83 20:50:06 all 62.24 0.00 4.27 0.20 0.11 33.18 20:50:06 0 62.96 0.00 4.15 0.11 0.11 32.67 20:50:06 1 62.79 0.00 4.57 0.31 0.11 32.23 20:50:06 2 61.77 0.00 4.20 0.21 0.11 33.71 20:50:06 3 61.43 0.00 4.17 0.18 0.11 34.12 21:00:05 all 44.19 0.00 2.50 0.25 0.08 52.98 21:00:05 0 44.36 0.00 2.59 0.23 0.09 52.73 21:00:05 1 43.49 0.00 2.67 0.20 0.08 53.56 21:00:05 2 45.78 0.00 2.53 0.37 0.08 51.24 21:00:05 3 43.12 0.00 2.21 0.19 0.09 54.39 Average: all 58.39 0.00 3.12 0.16 0.10 38.23 Average: 0 57.93 0.00 3.04 0.13 0.10 38.80 Average: 1 58.13 0.00 3.28 0.18 0.10 38.31 Average: 2 59.18 0.00 3.14 0.21 0.10 37.37 Average: 3 58.31 0.00 3.02 0.14 0.10 38.43