---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-315 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: 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 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 717 10710 4 4561 14928 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:08:75:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84104sec preferred_lft 84104sec inet6 fe80::f816:3eff:fe08:75fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:e9:b7:3d:a7:ce 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-315) 09/05/26 _x86_64_ (4 CPU) 20:53:22 LINUX RESTART (4 CPU) 21:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 21.36 2.64 16.12 2.60 149.02 2954.15 2011.86 21:20:13 45.73 0.00 37.15 8.58 0.24 3224.71 4586.76 21:30:15 10.27 0.18 8.63 1.46 10.65 1724.00 1154.97 Average: 25.97 0.91 20.80 4.27 51.31 2631.69 2605.35 21:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10477032 13859076 2101076 12.83 135080 3389012 2358996 13.54 568360 4961884 115836 21:20:13 9746188 13655572 2298588 14.04 192156 3787080 2471316 14.19 738868 5429632 35728 21:30:15 11142764 15450728 501640 3.06 202740 4157220 1038132 5.96 854996 3876112 104 Average: 10455328 14321792 1633768 9.98 176659 3777771 1956148 11.23 720741 4755876 50556 21:00:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 1881.19 1881.19 1794.69 1794.69 0.00 0.00 0.00 0.00 21:10:01 ens3 132.78 103.25 849.74 19.21 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:13 lo 4591.87 4591.87 4379.21 4379.21 0.00 0.00 0.00 0.00 21:20:13 ens3 57.68 46.93 27.60 26.00 0.00 0.00 0.00 0.00 21:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:15 lo 602.38 602.38 555.87 555.87 0.00 0.00 0.00 0.00 21:30:15 ens3 95.40 101.85 144.76 166.36 0.00 0.00 0.00 0.00 21:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2378.82 2378.82 2262.57 2262.57 0.00 0.00 0.00 0.00 Average: ens3 94.42 83.47 329.94 71.21 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-315) 09/05/26 _x86_64_ (4 CPU) 20:53:22 LINUX RESTART (4 CPU) 21:00:31 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 26.90 0.00 1.91 0.08 0.01 71.09 21:10:01 0 27.15 0.00 1.86 0.08 0.01 70.89 21:10:01 1 27.28 0.00 1.89 0.08 0.02 70.73 21:10:01 2 26.44 0.00 1.96 0.09 0.02 71.49 21:10:01 3 26.74 0.00 1.91 0.08 0.01 71.25 21:20:13 all 58.03 0.00 4.25 0.11 0.03 37.58 21:20:13 0 58.90 0.00 4.67 0.17 0.03 36.23 21:20:13 1 57.31 0.00 4.04 0.08 0.02 38.56 21:20:13 2 58.98 0.00 4.35 0.06 0.03 36.57 21:20:13 3 56.94 0.00 3.96 0.11 0.02 38.97 21:30:15 all 15.53 0.00 0.88 0.06 0.01 83.53 21:30:15 0 11.22 0.00 0.75 0.09 0.01 87.93 21:30:15 1 18.17 0.00 0.91 0.03 0.01 80.87 21:30:15 2 17.10 0.00 1.13 0.06 0.01 81.69 21:30:15 3 15.66 0.00 0.71 0.05 0.01 83.58 Average: all 33.71 0.00 2.36 0.08 0.02 63.82 Average: 0 32.60 0.00 2.45 0.12 0.02 64.82 Average: 1 34.49 0.00 2.29 0.06 0.02 63.13 Average: 2 34.43 0.00 2.50 0.07 0.02 62.98 Average: 3 33.34 0.00 2.21 0.08 0.02 64.36