---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-63097 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 654 10184 4 5150 14991 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:9c:73:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84843sec preferred_lft 84843sec inet6 fe80::f816:3eff:fe9c:7344/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:d5:a1:99:4f:3a 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-63097) 10/09/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:32 3.83 0.06 3.61 0.16 6.69 568.61 131.17 10:20:04 41.60 0.74 24.06 16.80 34.84 6392.28 266552.40 Average: 21.99 0.39 13.44 8.16 20.23 3369.00 128243.54 10:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:32 9055564 12450976 3508916 21.43 122384 3421512 3782980 21.71 525284 6425104 152 10:20:04 10518384 15438016 515604 3.15 145272 4863160 1059528 6.08 903196 4488400 9904 Average: 9786974 13944496 2012260 12.29 133828 4142336 2421254 13.90 714240 5456752 5028 10:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:32 lo 0.60 0.60 0.36 0.36 0.00 0.00 0.00 0.00 10:10:32 ens3 10.69 8.77 44.68 2.24 0.00 0.00 0.00 0.00 10:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:04 lo 548.14 548.14 520.45 520.45 0.00 0.00 0.00 0.00 10:20:04 ens3 79.47 68.25 544.49 90.79 0.00 0.00 0.00 0.00 10:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 263.89 263.89 250.45 250.45 0.00 0.00 0.00 0.00 Average: ens3 43.76 37.37 285.02 44.82 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-63097) 10/09/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:14 CPU %user %nice %system %iowait %steal %idle 10:10:32 all 46.39 0.00 0.81 0.03 0.04 52.72 10:10:32 0 38.00 0.00 0.72 0.07 0.02 61.18 10:10:32 1 44.90 0.00 0.93 0.01 0.03 54.13 10:10:32 2 42.28 0.00 0.76 0.05 0.03 56.88 10:10:32 3 60.47 0.00 0.83 0.00 0.07 38.62 10:20:04 all 50.42 0.00 1.68 0.21 0.02 47.67 10:20:04 0 48.25 0.00 1.71 0.21 0.01 49.82 10:20:04 1 53.39 0.00 1.49 0.22 0.04 44.87 10:20:04 2 49.42 0.00 1.85 0.06 0.02 48.65 10:20:04 3 50.62 0.00 1.69 0.33 0.03 47.33 Average: all 48.33 0.00 1.23 0.12 0.03 50.30 Average: 0 42.91 0.00 1.20 0.14 0.02 55.74 Average: 1 48.98 0.00 1.20 0.11 0.03 49.68 Average: 2 45.71 0.00 1.28 0.05 0.02 52.93 Average: 3 55.74 0.00 1.25 0.16 0.05 42.80