---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-750 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 11G 68G 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 606 10789 4 4593 15040 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:23:41:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84798sec preferred_lft 84798sec inet6 fe80::f816:3eff:fe23:4126/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:00:9e:49:59:f8 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-750) 11/25/25 _x86_64_ (4 CPU) 22:15:09 LINUX RESTART (4 CPU) 22:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:00 3.71 0.19 3.35 0.18 15.33 504.78 178.15 22:40:06 18.14 0.52 16.14 1.47 19.07 2264.38 14728.02 Average: 11.00 0.36 9.81 0.83 17.22 1393.54 7527.17 22:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:00 10996148 13797316 2167804 13.24 108140 2864368 2415004 13.86 477388 4559860 21380 22:40:06 10407196 13632836 2328328 14.22 131308 3237580 2499664 14.35 655896 4928328 13876 Average: 10701672 13715076 2248066 13.73 119724 3050974 2457334 14.11 566642 4744094 17628 22:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:00 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 22:30:00 ens3 10.52 8.22 38.85 2.17 0.00 0.00 0.00 0.00 22:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:06 lo 497.75 497.75 474.07 474.07 0.00 0.00 0.00 0.00 22:40:06 ens3 40.00 29.12 400.64 4.05 0.00 0.00 0.00 0.00 22:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 251.71 251.71 239.63 239.63 0.00 0.00 0.00 0.00 Average: ens3 25.41 18.78 221.59 3.12 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-750) 11/25/25 _x86_64_ (4 CPU) 22:15:09 LINUX RESTART (4 CPU) 22:20:06 CPU %user %nice %system %iowait %steal %idle 22:30:00 all 48.89 0.00 0.73 0.04 0.07 50.26 22:30:00 0 44.15 0.00 0.64 0.01 0.08 55.13 22:30:00 1 58.20 0.00 0.74 0.03 0.07 40.96 22:30:00 2 46.76 0.00 0.80 0.07 0.07 52.31 22:30:00 3 46.45 0.00 0.76 0.07 0.07 52.64 22:40:06 all 56.12 0.00 1.27 0.11 0.12 42.38 22:40:06 0 70.98 0.00 1.19 0.09 0.10 27.64 22:40:06 1 45.72 0.00 1.13 0.13 0.09 52.93 22:40:06 2 48.49 0.00 1.32 0.13 0.08 49.97 22:40:06 3 59.27 0.00 1.43 0.10 0.20 39.01 Average: all 52.54 0.00 1.00 0.08 0.10 46.28 Average: 0 57.70 0.00 0.92 0.05 0.09 41.24 Average: 1 51.90 0.00 0.94 0.08 0.08 47.00 Average: 2 47.63 0.00 1.06 0.10 0.08 51.13 Average: 3 52.93 0.00 1.10 0.09 0.14 45.74