---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14953 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 9.5G 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 618 11343 4 4027 15028 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:7b:33:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85052sec preferred_lft 85052sec inet6 fe80::f816:3eff:fe7b:3349/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:8a:82:14:57:f9 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-14953) 12/19/25 _x86_64_ (4 CPU) 01:08:26 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:29 32.75 3.76 25.60 3.39 749.67 4884.97 72861.21 01:30:01 8.86 0.02 7.34 1.49 1.20 700.07 25352.35 Average: 21.36 1.98 16.90 2.48 393.02 2890.84 50223.05 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:29 9335064 12958320 2999932 18.32 128072 3623020 3327416 19.10 847100 5807380 2316 01:30:01 11659844 15418076 539312 3.29 139708 3730684 1063652 6.11 883368 3416876 9788 Average: 10497454 14188198 1769622 10.81 133890 3676852 2195534 12.60 865234 4612128 6052 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:29 lo 17.37 17.37 3.72 3.72 0.00 0.00 0.00 0.00 01:20:29 ens3 84.68 63.89 783.37 12.39 0.00 0.00 0.00 0.00 01:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 lo 48.02 48.02 12.61 12.61 0.00 0.00 0.00 0.00 01:30:01 ens3 7.18 5.55 3.90 2.07 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 31.97 31.97 7.96 7.96 0.00 0.00 0.00 0.00 Average: ens3 47.75 36.09 411.95 7.48 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-14953) 12/19/25 _x86_64_ (4 CPU) 01:08:26 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:29 all 34.88 0.00 1.44 0.16 0.08 63.44 01:20:29 0 32.56 0.00 1.46 0.14 0.08 65.77 01:20:29 1 35.77 0.00 1.48 0.17 0.08 62.50 01:20:29 2 35.81 0.00 1.60 0.11 0.08 62.41 01:20:29 3 35.39 0.00 1.21 0.23 0.07 63.09 01:30:01 all 14.92 0.00 0.78 0.05 0.07 84.17 01:30:01 0 14.86 0.00 0.73 0.06 0.07 84.29 01:30:01 1 14.05 0.00 0.83 0.06 0.07 84.99 01:30:01 2 15.56 0.00 0.88 0.05 0.07 83.45 01:30:01 3 15.21 0.00 0.70 0.05 0.07 83.97 Average: all 25.36 0.00 1.13 0.11 0.07 73.33 Average: 0 24.11 0.00 1.11 0.10 0.07 74.61 Average: 1 25.41 0.00 1.17 0.12 0.07 73.22 Average: 2 26.15 0.00 1.25 0.08 0.07 72.45 Average: 3 25.76 0.00 0.97 0.14 0.07 73.05