---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46057 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 12G 66G 15% / 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 701 9140 4 6146 14944 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:11:44:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84478sec preferred_lft 84478sec inet6 fe80::f816:3eff:fe11:4434/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:f3:ad:e9:c3:3a 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46057) 08/30/26 _x86_64_ (4 CPU) 05:12:26 LINUX RESTART (4 CPU) 05:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 11.99 0.02 10.01 1.96 1.42 855.99 41866.66 05:40:10 37.72 0.19 32.93 4.60 5.88 8219.13 31704.53 Average: 25.06 0.11 21.65 3.30 3.69 4595.02 36706.29 05:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 9286836 12971500 2984800 18.23 138252 3655940 3173928 18.22 709192 5955944 856 05:40:10 6989864 12936548 3007764 18.37 179220 5766124 2966456 17.03 1605572 7224392 916 Average: 8138350 12954024 2996282 18.30 158736 4711032 3070192 17.62 1157382 6590168 886 05:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 48.99 48.99 12.04 12.04 0.00 0.00 0.00 0.00 05:30:01 ens3 8.02 6.28 8.39 2.41 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:10 lo 2504.78 2504.78 2404.44 2404.44 0.00 0.00 0.00 0.00 05:40:10 ens3 65.52 53.71 494.70 14.69 0.00 0.00 0.00 0.00 05:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1296.05 1296.05 1226.91 1226.91 0.00 0.00 0.00 0.00 Average: ens3 37.22 30.36 255.34 8.65 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46057) 08/30/26 _x86_64_ (4 CPU) 05:12:26 LINUX RESTART (4 CPU) 05:20:10 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 21.32 0.00 1.07 0.09 0.01 77.51 05:30:01 0 20.64 0.00 1.11 0.03 0.01 78.21 05:30:01 1 20.65 0.00 1.06 0.16 0.01 78.11 05:30:01 2 22.09 0.00 1.10 0.04 0.01 76.76 05:30:01 3 21.89 0.00 1.03 0.11 0.02 76.96 05:40:10 all 49.08 0.00 2.85 0.15 0.01 47.90 05:40:10 0 48.89 0.00 2.60 0.13 0.01 48.37 05:40:10 1 51.36 0.00 2.95 0.20 0.01 45.48 05:40:10 2 46.35 0.00 2.99 0.19 0.01 50.46 05:40:10 3 49.74 0.00 2.88 0.07 0.02 47.29 Average: all 35.41 0.00 1.98 0.12 0.01 62.49 Average: 0 34.96 0.00 1.86 0.08 0.01 63.09 Average: 1 36.23 0.00 2.02 0.18 0.01 61.56 Average: 2 34.41 0.00 2.06 0.12 0.01 63.41 Average: 3 36.03 0.00 1.97 0.09 0.02 61.90