---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4555 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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: 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 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 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 67G 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 603 10437 4 4948 15043 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:b9:dc:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84687sec preferred_lft 84687sec inet6 fe80::f816:3eff:feb9:dcce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:87:96:0c:75:f7 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4555) 01/26/26 _x86_64_ (4 CPU) 12:05:24 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:14 21.91 0.69 7.79 13.43 421.24 1516.39 240049.41 12:30:15 7.29 0.53 6.43 0.32 19.38 832.63 1046.45 Average: 14.68 0.61 7.12 6.94 222.43 1178.12 121809.80 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:14 8965800 12101804 3860512 23.58 112904 3192648 3984768 22.87 649328 6421784 592 12:30:15 10063696 13611224 2347560 14.34 130736 3558132 2466332 14.16 711476 5201096 203428 Average: 9514748 12856514 3104036 18.96 121820 3375390 3225550 18.51 680402 5811440 102010 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:14 lo 0.66 0.66 0.38 0.38 0.00 0.00 0.00 0.00 12:20:14 ens3 26.26 18.48 282.95 3.05 0.00 0.00 0.00 0.00 12:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:15 lo 98.89 98.89 93.88 93.88 0.00 0.00 0.00 0.00 12:30:15 ens3 36.14 25.83 408.17 3.23 0.00 0.00 0.00 0.00 12:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 49.26 49.26 46.64 46.64 0.00 0.00 0.00 0.00 Average: ens3 31.15 22.12 344.90 3.14 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4555) 01/26/26 _x86_64_ (4 CPU) 12:05:24 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:14 all 50.94 0.00 0.93 0.10 0.08 47.95 12:20:14 0 55.06 0.00 1.03 0.09 0.09 43.73 12:20:14 1 48.43 0.00 0.85 0.12 0.08 50.52 12:20:14 2 47.88 0.00 0.87 0.10 0.08 51.07 12:20:14 3 52.37 0.00 0.96 0.08 0.08 46.51 12:30:15 all 53.68 0.00 0.77 0.32 0.12 45.11 12:30:15 0 54.59 0.00 0.80 0.69 0.23 43.68 12:30:15 1 41.57 0.00 0.87 0.15 0.08 57.33 12:30:15 2 66.71 0.00 0.79 0.13 0.08 32.29 12:30:15 3 51.84 0.00 0.62 0.30 0.07 47.16 Average: all 52.30 0.00 0.85 0.21 0.10 46.55 Average: 0 54.83 0.00 0.92 0.39 0.16 43.71 Average: 1 45.03 0.00 0.86 0.14 0.08 53.89 Average: 2 57.20 0.00 0.83 0.12 0.08 41.77 Average: 3 52.11 0.00 0.79 0.19 0.08 46.83