---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-57767 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 13G 65G 17% / 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 666 8383 4 6939 14979 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:43:39:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84098sec preferred_lft 84098sec inet6 fe80::f816:3eff:fe43:396e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:6f:b1:ec:7b:b1 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-57767) 09/23/26 _x86_64_ (4 CPU) 13:55:22 LINUX RESTART (4 CPU) 14:00:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:24 24.56 0.29 21.39 2.89 32.93 2923.60 10903.76 14:20:24 34.18 0.03 30.79 3.37 0.60 4512.56 32005.92 14:30:14 10.00 0.20 8.85 0.95 11.08 6259.81 1126.71 Average: 22.99 0.17 20.41 2.41 14.89 4555.63 14756.33 14:00:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:24 9142148 13134688 2820596 17.23 147384 3946816 2929712 16.82 731108 6086768 3116 14:20:24 7459140 12484176 3466160 21.17 169224 4910228 3395128 19.49 1019760 7402144 2344 14:30:14 8637500 15383516 562120 3.43 184740 6559764 1137200 6.53 1671384 5531092 27696 Average: 8412929 13667460 2282959 13.94 167116 5138936 2487347 14.28 1140751 6340001 11052 14:00:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:24 lo 1389.10 1389.10 1317.77 1317.77 0.00 0.00 0.00 0.00 14:10:24 ens3 65.72 44.48 370.21 12.03 0.00 0.00 0.00 0.00 14:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:24 lo 1493.30 1493.30 1423.09 1423.09 0.00 0.00 0.00 0.00 14:20:24 ens3 39.45 31.03 30.38 12.34 0.00 0.00 0.00 0.00 14:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:14 lo 2626.72 2626.72 9456.07 9456.07 0.00 0.00 0.00 0.00 14:30:14 ens3 20.93 17.95 96.32 12.80 0.00 0.00 0.00 0.00 14:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1831.85 1831.85 4034.80 4034.80 0.00 0.00 0.00 0.00 Average: ens3 42.15 31.23 166.03 12.39 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-57767) 09/23/26 _x86_64_ (4 CPU) 13:55:22 LINUX RESTART (4 CPU) 14:00:24 CPU %user %nice %system %iowait %steal %idle 14:10:24 all 66.11 0.00 2.68 0.09 0.02 31.09 14:10:24 0 65.15 0.00 2.45 0.12 0.03 32.25 14:10:24 1 66.29 0.00 2.84 0.08 0.02 30.76 14:10:24 2 65.93 0.00 2.51 0.07 0.02 31.47 14:10:24 3 67.09 0.00 2.91 0.11 0.03 29.87 14:20:24 all 61.88 0.00 2.84 0.15 0.03 35.09 14:20:24 0 64.07 0.00 2.85 0.13 0.03 32.91 14:20:24 1 61.94 0.00 3.02 0.18 0.04 34.83 14:20:24 2 61.53 0.00 2.77 0.16 0.03 35.50 14:20:24 3 59.99 0.00 2.73 0.13 0.03 37.13 14:30:14 all 29.42 0.00 1.43 0.15 0.01 68.98 14:30:14 0 30.00 0.00 1.46 0.06 0.02 68.46 14:30:14 1 25.23 0.00 1.90 0.31 0.02 72.55 14:30:14 2 28.91 0.00 1.10 0.12 0.01 69.86 14:30:14 3 33.56 0.00 1.26 0.11 0.02 65.05 Average: all 52.59 0.00 2.32 0.13 0.02 44.93 Average: 0 53.20 0.00 2.26 0.11 0.03 44.41 Average: 1 51.28 0.00 2.59 0.19 0.02 45.92 Average: 2 52.25 0.00 2.13 0.12 0.02 45.48 Average: 3 53.65 0.00 2.30 0.11 0.03 43.91