---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2103 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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 nrip_save 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 9.4G 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 593 11391 4 4004 15053 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:99:e7:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84914sec preferred_lft 84914sec inet6 fe80::f816:3eff:fe99:e7b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:a7:26:b3:b0:20 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-2103) 10/09/25 _x86_64_ (4 CPU) 00:26:39 LINUX RESTART (4 CPU) 00:30:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:27 20.06 0.70 7.94 11.43 665.25 1507.82 257928.22 00:50:27 5.44 0.38 4.81 0.24 12.24 1998.37 606.67 Average: 12.76 0.54 6.38 5.85 339.24 1752.72 129461.26 00:30:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:27 7794232 11129600 4831536 29.51 115100 3384492 4942928 28.37 760308 7460104 2012 00:50:27 11749016 15486400 472068 2.88 129292 3745256 1001624 5.75 815068 3418580 300 Average: 9771624 13308000 2651802 16.20 122196 3564874 2972276 17.06 787688 5439342 1156 00:30:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:27 lo 0.64 0.64 0.39 0.39 0.00 0.00 0.00 0.00 00:40:27 ens3 29.06 20.29 268.21 3.79 0.00 0.00 0.00 0.00 00:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:27 lo 82.65 82.65 78.27 78.27 0.00 0.00 0.00 0.00 00:50:27 ens3 35.48 26.82 426.99 4.09 0.00 0.00 0.00 0.00 00:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 41.58 41.58 39.27 39.27 0.00 0.00 0.00 0.00 Average: ens3 32.26 23.55 347.48 3.94 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-2103) 10/09/25 _x86_64_ (4 CPU) 00:26:39 LINUX RESTART (4 CPU) 00:30:26 CPU %user %nice %system %iowait %steal %idle 00:40:27 all 48.13 0.00 0.98 0.66 0.10 50.12 00:40:27 0 61.76 0.00 0.76 0.64 0.12 36.73 00:40:27 1 49.16 0.00 1.07 0.21 0.10 49.46 00:40:27 2 42.08 0.00 1.21 1.13 0.10 55.49 00:40:27 3 39.54 0.00 0.89 0.68 0.10 58.79 00:50:27 all 44.52 0.00 0.94 0.08 0.11 54.34 00:50:27 0 76.36 0.00 0.82 0.03 0.14 22.64 00:50:27 1 28.99 0.00 0.91 0.05 0.09 69.95 00:50:27 2 43.32 0.00 1.18 0.12 0.10 55.27 00:50:27 3 29.32 0.00 0.85 0.14 0.09 69.59 Average: all 46.33 0.00 0.96 0.38 0.11 52.23 Average: 0 69.05 0.00 0.79 0.34 0.13 29.70 Average: 1 39.11 0.00 0.99 0.13 0.10 59.68 Average: 2 42.70 0.00 1.19 0.63 0.10 55.38 Average: 3 34.46 0.00 0.87 0.41 0.09 64.17