---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-17250 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 611 9424 4 5952 15034 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:06:33:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.82/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84323sec preferred_lft 84323sec inet6 fe80::f816:3eff:fe06:337e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:58:bf:36:14:cc 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-v1-8c-8g-17250) 09/01/26 _x86_64_ (4 CPU) 19:12:02 LINUX RESTART (4 CPU) 19:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:30:01 5.09 0.48 4.51 0.10 16.61 3227.36 1978.73 19:40:08 6.09 0.20 5.72 0.16 3.18 4551.89 7425.29 Average: 5.60 0.34 5.13 0.13 9.74 3904.51 4763.22 19:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:01 8525524 12974304 2981600 18.21 166792 4365960 3266704 18.75 626900 6770572 635744 19:40:08 8227752 13303676 2649060 16.18 178048 4952684 2919372 16.76 713992 6960464 4052 Average: 8376638 13138990 2815330 17.19 172420 4659322 3093038 17.75 670446 6865518 319898 19:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:30:01 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 19:30:01 ens3 28.29 24.67 157.67 6.50 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:08 lo 0.28 0.28 0.02 0.02 0.00 0.00 0.00 0.00 19:40:08 ens3 34.79 33.04 154.13 10.48 0.00 0.00 0.00 0.00 19:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 31.61 28.95 155.86 8.54 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-v1-8c-8g-17250) 09/01/26 _x86_64_ (4 CPU) 19:12:02 LINUX RESTART (4 CPU) 19:20:21 CPU %user %nice %system %iowait %steal %idle 19:30:01 all 10.12 0.00 0.57 0.10 0.01 89.20 19:30:01 0 10.46 0.00 0.69 0.15 0.01 88.70 19:30:01 1 10.28 0.00 0.55 0.08 0.01 89.07 19:30:01 2 10.14 0.00 0.73 0.07 0.01 89.05 19:30:01 3 9.61 0.00 0.30 0.10 0.01 89.98 19:40:08 all 13.61 0.00 0.92 0.09 0.01 85.37 19:40:08 0 13.39 0.00 0.89 0.01 0.01 85.69 19:40:08 1 15.04 0.00 1.08 0.10 0.01 83.77 19:40:08 2 13.62 0.00 0.75 0.07 0.01 85.54 19:40:08 3 12.37 0.00 0.95 0.18 0.01 86.48 Average: all 11.90 0.00 0.75 0.10 0.01 87.24 Average: 0 11.96 0.00 0.79 0.08 0.01 87.16 Average: 1 12.71 0.00 0.82 0.09 0.01 86.37 Average: 2 11.92 0.00 0.74 0.07 0.01 87.25 Average: 3 11.02 0.00 0.63 0.14 0.01 88.20