---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3216 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 67G 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 667 10387 4 4933 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:0a:65:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84607sec preferred_lft 84607sec inet6 fe80::f816:3eff:fe0a:6501/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:44:98:09:d0:cd 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-3216) 09/08/26 _x86_64_ (4 CPU) 16:45:23 LINUX RESTART (4 CPU) 16:50:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:21 16.83 2.15 13.59 1.09 156.75 4039.58 10105.83 17:10:22 21.31 0.79 17.60 2.92 24.05 2593.28 3029.03 Average: 19.08 1.47 15.60 2.01 90.23 3314.64 6558.66 16:50:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:21 10348308 13977076 1980144 12.09 140404 3605588 2291980 13.16 592528 5026492 12084 17:10:22 10804132 15482032 468428 2.86 174228 4546068 1034684 5.94 893548 4193264 395600 Average: 10576220 14729554 1224286 7.48 157316 4075828 1663332 9.55 743038 4609878 203842 16:50:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:21 lo 1.26 1.26 0.13 0.13 0.00 0.00 0.00 0.00 17:00:21 ens3 96.29 78.19 812.70 13.29 0.00 0.00 0.00 0.00 17:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:22 lo 1531.95 1531.95 1460.67 1460.67 0.00 0.00 0.00 0.00 17:10:22 ens3 66.14 55.06 447.18 10.80 0.00 0.00 0.00 0.00 17:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 768.50 768.50 732.21 732.21 0.00 0.00 0.00 0.00 Average: ens3 81.18 66.60 629.48 12.04 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-3216) 09/08/26 _x86_64_ (4 CPU) 16:45:23 LINUX RESTART (4 CPU) 16:50:23 CPU %user %nice %system %iowait %steal %idle 17:00:21 all 63.01 0.00 2.20 0.14 0.03 34.62 17:00:21 0 62.52 0.00 2.01 0.17 0.03 35.27 17:00:21 1 64.06 0.00 2.48 0.20 0.03 33.23 17:00:21 2 63.78 0.00 2.15 0.13 0.04 33.90 17:00:21 3 61.66 0.00 2.17 0.06 0.03 36.08 17:10:22 all 64.56 0.00 2.77 0.06 0.03 32.58 17:10:22 0 64.99 0.00 2.86 0.05 0.04 32.06 17:10:22 1 63.26 0.00 2.46 0.05 0.03 34.21 17:10:22 2 64.46 0.00 2.95 0.10 0.04 32.46 17:10:22 3 65.53 0.00 2.80 0.04 0.03 31.61 Average: all 63.78 0.00 2.48 0.10 0.03 33.60 Average: 0 63.76 0.00 2.44 0.11 0.04 33.66 Average: 1 63.66 0.00 2.47 0.12 0.03 33.72 Average: 2 64.12 0.00 2.55 0.12 0.04 33.18 Average: 3 63.60 0.00 2.48 0.05 0.03 33.84