---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3836 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 605 10760 4 4622 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:85:26:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84751sec preferred_lft 84751sec inet6 fe80::f816:3eff:fe85:261d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:6b:c8:70:3e:95 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-3836) 10/15/25 _x86_64_ (4 CPU) 16:24:58 LINUX RESTART (4 CPU) 16:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:05 3.62 0.17 3.31 0.14 14.66 486.35 168.79 16:50:06 14.61 0.52 13.01 1.08 19.30 2057.16 9296.86 Average: 9.10 0.35 8.15 0.61 16.98 1269.69 4720.78 16:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:05 11056628 13871464 2093564 12.79 106928 2880972 2402068 13.79 470672 4514268 5296 16:50:06 9462308 12972832 2987792 18.25 125980 3519604 3220808 18.49 686740 5855156 272268 Average: 10259468 13422148 2540678 15.52 116454 3200288 2811438 16.14 578706 5184712 138782 16:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:05 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 16:40:05 ens3 7.76 6.94 36.20 2.13 0.00 0.00 0.00 0.00 16:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:06 lo 422.38 422.38 402.05 402.05 0.00 0.00 0.00 0.00 16:50:06 ens3 34.26 25.58 387.93 3.61 0.00 0.00 0.00 0.00 16:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 210.93 210.93 200.68 200.68 0.00 0.00 0.00 0.00 Average: ens3 20.97 16.24 211.60 2.87 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-3836) 10/15/25 _x86_64_ (4 CPU) 16:24:58 LINUX RESTART (4 CPU) 16:30:01 CPU %user %nice %system %iowait %steal %idle 16:40:05 all 47.03 0.00 0.67 0.39 0.09 51.82 16:40:05 0 48.71 0.00 0.71 0.51 0.09 49.98 16:40:05 1 52.17 0.00 0.64 0.29 0.11 46.79 16:40:05 2 46.30 0.00 0.73 0.39 0.09 52.49 16:40:05 3 40.93 0.00 0.61 0.36 0.08 58.01 16:50:06 all 55.64 0.00 1.19 0.16 0.10 42.92 16:50:06 0 50.69 0.00 0.99 0.18 0.10 48.05 16:50:06 1 64.04 0.00 1.25 0.12 0.10 34.49 16:50:06 2 56.81 0.00 1.32 0.17 0.09 41.61 16:50:06 3 51.03 0.00 1.22 0.17 0.10 47.49 Average: all 51.33 0.00 0.93 0.27 0.10 47.37 Average: 0 49.70 0.00 0.85 0.34 0.09 49.02 Average: 1 58.09 0.00 0.94 0.21 0.11 40.65 Average: 2 51.54 0.00 1.02 0.28 0.09 47.07 Average: 3 45.98 0.00 0.92 0.26 0.09 52.75