---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62243 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 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 691 10407 4 4889 14953 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:13:16:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84962sec preferred_lft 84962sec inet6 fe80::f816:3eff:fe13:1691/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:5f:d3:25:34:98 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-62243) 10/05/26 _x86_64_ (4 CPU) 15:26:23 LINUX RESTART (4 CPU) 15:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 11.34 0.49 9.77 1.08 19.05 2383.03 3033.74 15:50:10 29.14 0.66 24.18 4.30 26.44 3901.96 5784.62 Average: 20.38 0.58 17.09 2.71 22.80 3154.41 4430.75 15:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 9684408 13360292 2595876 15.85 145888 3624092 2964776 17.02 639068 5634204 33144 15:50:10 10680580 15334044 615712 3.76 176052 4508508 1174596 6.74 914892 4270400 12276 Average: 10182494 14347168 1605794 9.81 160970 4066300 2069686 11.88 776980 4952302 22710 15:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 15:40:01 ens3 63.17 49.10 96.71 17.44 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:10 lo 1630.05 1630.05 1542.50 1542.50 0.00 0.00 0.00 0.00 15:50:10 ens3 125.17 113.99 441.00 190.00 0.00 0.00 0.00 0.00 15:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 828.52 828.52 783.42 783.42 0.00 0.00 0.00 0.00 Average: ens3 94.65 82.05 271.56 105.07 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-62243) 10/05/26 _x86_64_ (4 CPU) 15:26:23 LINUX RESTART (4 CPU) 15:30:10 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 72.30 0.00 2.42 0.03 0.04 25.20 15:40:01 0 74.35 0.00 2.58 0.03 0.05 22.99 15:40:01 1 72.04 0.00 2.33 0.05 0.04 25.54 15:40:01 2 70.57 0.00 2.46 0.03 0.04 26.91 15:40:01 3 72.24 0.00 2.34 0.03 0.04 25.35 15:50:10 all 45.14 0.00 2.33 0.11 0.03 52.39 15:50:10 0 45.37 0.00 2.34 0.09 0.03 52.17 15:50:10 1 38.59 0.00 2.16 0.10 0.02 59.13 15:50:10 2 50.03 0.00 2.53 0.09 0.03 47.32 15:50:10 3 46.62 0.00 2.29 0.17 0.03 50.89 Average: all 58.50 0.00 2.38 0.07 0.04 39.02 Average: 0 59.61 0.00 2.46 0.06 0.04 37.83 Average: 1 55.01 0.00 2.24 0.08 0.03 42.64 Average: 2 60.14 0.00 2.50 0.06 0.04 37.27 Average: 3 59.23 0.00 2.31 0.10 0.04 38.32