---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64896 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 9.3G 69G 12% / 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 682 11676 4 3629 14963 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:65:5c:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84996sec preferred_lft 84996sec inet6 fe80::f816:3eff:fe65:5c98/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:07:ca:b5:0b:29 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-64896) 10/13/26 _x86_64_ (4 CPU) 11:19:23 LINUX RESTART (4 CPU) 11:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 2.12 0.04 2.07 0.01 1.58 58.33 222.08 11:40:29 58.22 16.12 40.32 1.78 363.15 6724.07 5361.03 Average: 31.14 8.36 21.85 0.93 188.58 3505.71 2879.84 11:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 13736536 15523752 494600 3.02 54308 1960624 1155844 6.63 185868 2190416 4 11:40:29 11985536 15305332 652896 3.99 133016 3291404 1407168 8.08 912596 3057748 168 Average: 12861036 15414542 573748 3.50 93662 2626014 1281506 7.36 549232 2624082 86 11:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:30:01 ens3 0.49 0.12 0.09 0.04 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:29 lo 10.16 10.16 0.88 0.88 0.00 0.00 0.00 0.00 11:40:29 ens3 83.76 70.61 419.73 11.88 0.00 0.00 0.00 0.00 11:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 5.31 5.31 0.46 0.46 0.00 0.00 0.00 0.00 Average: ens3 43.56 36.57 217.12 6.16 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-64896) 10/13/26 _x86_64_ (4 CPU) 11:19:23 LINUX RESTART (4 CPU) 11:20:14 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 0.17 0.00 0.04 0.02 0.00 99.77 11:30:01 0 0.05 0.00 0.05 0.06 0.01 99.83 11:30:01 1 0.56 0.00 0.07 0.00 0.01 99.36 11:30:01 2 0.03 0.00 0.02 0.01 0.00 99.93 11:30:01 3 0.02 0.00 0.02 0.01 0.00 99.94 11:40:29 all 12.12 0.21 0.91 0.94 0.02 85.81 11:40:29 0 9.98 0.05 0.94 2.23 0.01 86.78 11:40:29 1 15.39 0.04 1.06 0.71 0.02 82.79 11:40:29 2 12.97 0.73 0.83 0.35 0.02 85.11 11:40:29 3 10.14 0.00 0.79 0.47 0.02 88.57 Average: all 6.35 0.11 0.49 0.50 0.01 92.55 Average: 0 5.18 0.03 0.51 1.18 0.01 93.08 Average: 1 8.23 0.02 0.58 0.37 0.01 90.80 Average: 2 6.72 0.38 0.44 0.19 0.01 92.27 Average: 3 5.25 0.00 0.42 0.25 0.01 94.07