---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58980 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 11G 68G 13% / 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 675 10976 4 4337 14970 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:fd:38:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85023sec preferred_lft 85023sec inet6 fe80::f816:3eff:fefd:3809/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:6e:6d:1a:d3:ca 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-58980) 09/26/26 _x86_64_ (4 CPU) 21:39:23 LINUX RESTART (4 CPU) 21:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:45 19.62 2.87 16.00 0.74 160.39 4041.71 507.75 22:00:37 19.04 0.52 17.09 1.43 20.24 2448.22 10955.95 Average: 19.34 1.73 16.53 1.07 92.61 3271.01 5561.08 21:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:45 8697808 11775344 4187688 25.58 108524 3134236 4470696 25.66 468296 6868888 7692 22:00:37 7996708 11831776 4126288 25.20 129576 3829196 4394308 25.22 692092 7298228 265560 Average: 8347258 11803560 4156988 25.39 119050 3481716 4432502 25.44 580194 7083558 136626 21:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:45 lo 0.79 0.79 0.38 0.38 0.00 0.00 0.00 0.00 21:50:45 ens3 92.02 72.90 825.76 10.03 0.00 0.00 0.00 0.00 21:50:45 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:37 lo 523.01 523.01 498.28 498.28 0.00 0.00 0.00 0.00 22:00:37 ens3 59.72 48.21 489.10 8.26 0.00 0.00 0.00 0.00 22:00:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 253.36 253.36 241.19 241.19 0.00 0.00 0.00 0.00 Average: ens3 76.40 60.96 662.94 9.17 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-58980) 09/26/26 _x86_64_ (4 CPU) 21:39:23 LINUX RESTART (4 CPU) 21:40:13 CPU %user %nice %system %iowait %steal %idle 21:50:45 all 48.68 0.00 1.27 0.27 0.03 49.75 21:50:45 0 56.65 0.00 1.26 0.13 0.03 41.93 21:50:45 1 49.09 0.00 1.24 0.16 0.03 49.48 21:50:45 2 48.41 0.00 1.37 0.16 0.02 50.05 21:50:45 3 40.56 0.00 1.22 0.66 0.03 57.54 22:00:37 all 52.89 0.00 1.43 0.07 0.03 45.59 22:00:37 0 53.76 0.00 1.41 0.08 0.02 44.73 22:00:37 1 60.82 0.00 1.38 0.04 0.04 37.72 22:00:37 2 46.85 0.00 1.35 0.10 0.02 51.68 22:00:37 3 50.09 0.00 1.59 0.04 0.02 48.25 Average: all 50.72 0.00 1.35 0.17 0.03 47.74 Average: 0 55.25 0.00 1.33 0.10 0.03 43.29 Average: 1 54.77 0.00 1.31 0.10 0.03 43.79 Average: 2 47.65 0.00 1.36 0.13 0.02 50.84 Average: 3 45.17 0.00 1.40 0.36 0.03 53.04