---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-57798 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 12G 66G 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 764 9320 4 5904 14881 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:9a:28:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84240sec preferred_lft 84240sec inet6 fe80::f816:3eff:fe9a:2832/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:8d:14:8d:56:61 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-57798) 09/23/26 _x86_64_ (4 CPU) 20:24:23 LINUX RESTART (4 CPU) 20:30:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:06 35.23 0.43 29.80 5.00 14.88 4582.51 3957.56 20:50:26 50.75 0.00 40.67 10.08 0.00 2934.70 9669.87 Average: 43.25 0.21 35.42 7.63 7.19 3730.69 6910.49 20:30:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:06 9146348 13389412 2561556 15.64 185908 4106284 2767544 15.89 759100 5993780 13052 20:50:26 8239528 12971720 2974812 18.17 219916 4513660 3236308 18.58 881224 6735996 34216 Average: 8692938 13180566 2768184 16.91 202912 4309972 3001926 17.23 820162 6364888 23634 20:30:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:06 lo 2488.80 2488.80 2373.23 2373.23 0.00 0.00 0.00 0.00 20:40:06 ens3 108.59 79.89 344.72 24.50 0.00 0.00 0.00 0.00 20:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:26 lo 5486.29 5486.29 5232.07 5232.07 0.00 0.00 0.00 0.00 20:50:26 ens3 84.65 58.29 27.64 23.21 0.00 0.00 0.00 0.00 20:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4038.33 4038.33 3851.08 3851.08 0.00 0.00 0.00 0.00 Average: ens3 96.22 68.72 180.81 23.83 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-57798) 09/23/26 _x86_64_ (4 CPU) 20:24:23 LINUX RESTART (4 CPU) 20:30:26 CPU %user %nice %system %iowait %steal %idle 20:40:06 all 63.77 0.00 3.44 0.09 0.02 32.68 20:40:06 0 62.70 0.00 3.37 0.09 0.02 33.81 20:40:06 1 63.75 0.00 3.72 0.10 0.02 32.40 20:40:06 2 63.63 0.00 3.37 0.06 0.02 32.91 20:40:06 3 64.99 0.00 3.30 0.09 0.02 31.60 20:50:26 all 61.28 0.00 4.39 0.13 0.02 34.18 20:50:26 0 61.03 0.00 4.21 0.10 0.02 34.63 20:50:26 1 60.51 0.00 4.87 0.12 0.02 34.48 20:50:26 2 61.20 0.00 3.98 0.09 0.03 34.70 20:50:26 3 62.38 0.00 4.50 0.20 0.02 32.90 Average: all 62.48 0.00 3.93 0.11 0.02 33.46 Average: 0 61.84 0.00 3.81 0.10 0.02 34.24 Average: 1 62.07 0.00 4.31 0.11 0.02 33.48 Average: 2 62.37 0.00 3.69 0.08 0.02 33.84 Average: 3 63.64 0.00 3.92 0.15 0.02 32.27