---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46666 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 68G 14% / 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 650 10844 4 4494 14995 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:4a:58:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81902sec preferred_lft 81902sec inet6 fe80::f816:3eff:fe4a:5871/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:fd:dc:0a:79:9f 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-46666) 09/01/26 _x86_64_ (4 CPU) 19:12:35 LINUX RESTART (4 CPU) 19:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:30:07 1.43 0.00 1.43 0.00 0.04 18.37 0.00 19:40:07 1.51 0.00 1.51 0.00 0.00 19.21 0.00 19:50:01 1.30 0.00 1.30 0.00 0.00 18.05 0.01 20:00:07 1.32 0.00 1.32 0.00 0.00 21.99 0.00 20:10:07 1.57 0.00 1.57 0.00 0.00 39.25 0.00 20:20:01 10.82 2.25 8.02 0.55 136.85 2458.31 542.73 Average: 2.98 0.37 2.52 0.09 22.60 425.32 89.59 19:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:07 13075860 15513448 467468 2.86 89556 2543728 1011084 5.80 307148 2673220 224 19:40:07 13074852 15512920 467900 2.86 90008 2543736 1011300 5.80 307596 2675500 72 19:50:01 13073648 15512236 468616 2.86 90516 2543748 1011488 5.81 308088 2677068 204 20:00:07 13067988 15507728 473104 2.89 91500 2543828 1012740 5.81 309092 2683220 228 20:10:07 13051092 15494864 485444 2.96 93784 2545100 1029572 5.91 311372 2704152 2424 20:20:01 10512128 13704012 2257460 13.79 131472 3202052 2621132 15.05 521064 4961372 8156 Average: 12642595 15207535 769999 4.70 97806 2653699 1282886 7.36 344060 3062422 1885 19:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:30:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:30:07 ens3 0.54 0.31 0.26 0.08 0.00 0.00 0.00 0.00 19:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:40:07 ens3 0.73 0.37 0.43 0.11 0.00 0.00 0.00 0.00 19:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:50:01 ens3 0.97 0.38 0.55 0.09 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:07 ens3 2.96 2.23 20.49 0.44 0.00 0.00 0.00 0.00 20:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:10:07 ens3 8.61 7.27 47.14 2.55 0.00 0.00 0.00 0.00 20:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 0.81 0.81 0.08 0.08 0.00 0.00 0.00 0.00 20:20:01 ens3 78.92 61.63 567.09 13.76 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 15.33 11.94 105.12 2.82 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-46666) 09/01/26 _x86_64_ (4 CPU) 19:12:35 LINUX RESTART (4 CPU) 19:20:00 CPU %user %nice %system %iowait %steal %idle 19:30:07 all 0.12 0.00 0.03 0.08 0.00 99.77 19:30:07 0 0.06 0.00 0.03 0.00 0.00 99.91 19:30:07 1 0.07 0.00 0.01 0.04 0.00 99.87 19:30:07 2 0.35 0.00 0.04 0.19 0.00 99.41 19:30:07 3 0.01 0.00 0.02 0.09 0.00 99.88 19:40:07 all 0.08 0.00 0.02 0.01 0.01 99.88 19:40:07 0 0.05 0.00 0.02 0.00 0.00 99.92 19:40:07 1 0.22 0.00 0.02 0.00 0.01 99.76 19:40:07 2 0.03 0.00 0.03 0.00 0.01 99.93 19:40:07 3 0.03 0.00 0.03 0.02 0.01 99.92 19:50:01 all 0.27 0.00 0.03 0.01 0.00 99.70 19:50:01 0 1.02 0.00 0.04 0.00 0.00 98.94 19:50:01 1 0.02 0.00 0.03 0.00 0.00 99.95 19:50:01 2 0.02 0.00 0.01 0.01 0.00 99.95 19:50:01 3 0.01 0.00 0.02 0.01 0.00 99.95 20:00:07 all 0.13 0.00 0.03 0.01 0.00 99.83 20:00:07 0 0.40 0.00 0.03 0.00 0.00 99.57 20:00:07 1 0.06 0.00 0.03 0.00 0.00 99.91 20:00:07 2 0.04 0.00 0.04 0.02 0.00 99.90 20:00:07 3 0.04 0.00 0.03 0.01 0.00 99.92 20:10:07 all 0.27 0.00 0.05 0.01 0.00 99.67 20:10:07 0 0.87 0.00 0.06 0.00 0.00 99.07 20:10:07 1 0.04 0.00 0.04 0.02 0.00 99.90 20:10:07 2 0.12 0.00 0.05 0.03 0.00 99.80 20:10:07 3 0.05 0.00 0.04 0.00 0.00 99.90 20:20:01 all 35.92 0.00 1.30 0.05 0.02 62.71 20:20:01 0 36.58 0.00 1.45 0.08 0.03 61.86 20:20:01 1 35.67 0.00 1.12 0.04 0.03 63.13 20:20:01 2 34.69 0.00 1.27 0.04 0.02 63.98 20:20:01 3 36.75 0.00 1.34 0.03 0.02 61.85 Average: all 6.07 0.00 0.24 0.03 0.01 93.66 Average: 0 6.42 0.00 0.27 0.01 0.01 93.29 Average: 1 5.95 0.00 0.21 0.02 0.01 93.82 Average: 2 5.82 0.00 0.24 0.05 0.01 93.89 Average: 3 6.09 0.00 0.24 0.03 0.01 93.64