---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61115 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 16% / 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 668 8672 4 6648 14977 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:68:55:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84445sec preferred_lft 84445sec inet6 fe80::f816:3eff:fe68:55dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:83:1d:f1:b4:fc 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 inet6 fe80::1483:1dff:fef1:b4fc/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-61115) 10/01/26 _x86_64_ (4 CPU) 11:41:36 LINUX RESTART (4 CPU) 11:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:00 8.87 0.01 7.50 1.36 0.12 642.78 20584.71 12:10:00 48.02 2.05 41.19 4.78 314.93 9692.95 22767.08 Average: 28.80 1.05 24.65 3.10 160.33 5248.42 21695.32 11:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:00 9220400 12946180 3009852 18.38 136932 3683052 3367416 19.33 725336 6007296 1452 12:10:00 8923628 15365280 576980 3.52 184088 6215840 1379540 7.92 1733836 5121688 688 Average: 9072014 14155730 1793416 10.95 160510 4949446 2373478 13.62 1229586 5564492 1070 11:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:00 lo 59.40 59.40 14.74 14.74 0.00 0.00 0.00 0.00 12:00:00 ens3 5.15 4.38 3.97 1.22 0.00 0.00 0.00 0.00 12:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 2356.53 2356.53 2270.06 2270.06 0.00 0.00 0.00 0.00 12:10:00 ens3 94.95 75.42 689.79 159.08 0.00 0.00 0.00 0.00 12:10:00 docker0 13.70 10.58 148.00 1.76 0.00 0.00 0.00 0.00 12:10:00 veth51f3769 13.70 10.58 148.19 1.76 0.00 0.00 0.00 0.01 Average: lo 1228.42 1228.42 1162.47 1162.47 0.00 0.00 0.00 0.00 Average: ens3 50.85 40.53 352.99 81.56 0.00 0.00 0.00 0.00 Average: docker0 6.97 5.38 75.32 0.90 0.00 0.00 0.00 0.00 Average: veth51f3769 6.97 5.39 75.41 0.90 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-61115) 10/01/26 _x86_64_ (4 CPU) 11:41:36 LINUX RESTART (4 CPU) 11:50:21 CPU %user %nice %system %iowait %steal %idle 12:00:00 all 16.46 0.00 0.98 0.05 0.02 82.49 12:00:00 0 16.31 0.00 1.09 0.02 0.02 82.56 12:00:00 1 16.28 0.00 0.99 0.02 0.02 82.69 12:00:00 2 16.04 0.00 0.95 0.10 0.02 82.89 12:00:00 3 17.20 0.00 0.91 0.05 0.02 81.83 12:10:00 all 48.10 0.00 3.06 0.20 0.02 48.63 12:10:00 0 46.43 0.00 3.31 0.18 0.02 50.07 12:10:00 1 48.48 0.00 2.97 0.33 0.02 48.19 12:10:00 2 50.61 0.00 2.96 0.12 0.02 46.29 12:10:00 3 46.87 0.00 2.99 0.16 0.02 49.96 Average: all 32.56 0.00 2.04 0.12 0.02 65.26 Average: 0 31.63 0.00 2.22 0.10 0.02 66.03 Average: 1 32.67 0.00 2.00 0.18 0.02 65.13 Average: 2 33.63 0.00 1.97 0.11 0.02 64.27 Average: 3 32.30 0.00 1.97 0.11 0.02 65.61