---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15424 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 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 690 9807 4 5491 14956 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:18:97:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84890sec preferred_lft 84890sec inet6 fe80::f816:3eff:fe18:97f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:fe:11:45:2d:9d 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-15424) 12/20/25 _x86_64_ (4 CPU) 23:15:25 LINUX RESTART (4 CPU) 23:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:30:14 30.31 0.72 26.62 2.97 602.51 4639.32 32224.11 23:40:14 39.25 0.31 34.53 4.41 17.82 6890.39 29283.99 Average: 34.73 0.52 30.53 3.68 313.30 5752.77 30769.83 23:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:30:14 9127096 13383576 2568640 15.69 168432 4152800 2826836 16.23 971932 5824764 17072 23:40:14 10130136 15394540 552880 3.38 199144 5063392 1073800 6.16 1101368 4613948 27316 Average: 9628616 14389058 1560760 9.53 183788 4608096 1950318 11.19 1036650 5219356 22194 23:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:30:14 lo 1059.89 1059.89 1009.60 1009.60 0.00 0.00 0.00 0.00 23:30:14 ens3 43.66 33.30 370.93 9.23 0.00 0.00 0.00 0.00 23:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:14 lo 991.35 991.35 944.11 944.11 0.00 0.00 0.00 0.00 23:40:14 ens3 81.82 62.76 280.56 21.23 0.00 0.00 0.00 0.00 23:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1025.99 1025.99 977.20 977.20 0.00 0.00 0.00 0.00 Average: ens3 62.53 47.87 326.23 15.17 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-15424) 12/20/25 _x86_64_ (4 CPU) 23:15:25 LINUX RESTART (4 CPU) 23:20:01 CPU %user %nice %system %iowait %steal %idle 23:30:14 all 64.29 0.00 2.32 0.10 0.08 33.21 23:30:14 0 63.89 0.00 2.15 0.05 0.09 33.82 23:30:14 1 64.78 0.00 2.48 0.11 0.09 32.55 23:30:14 2 63.74 0.00 2.28 0.10 0.08 33.79 23:30:14 3 64.75 0.00 2.35 0.13 0.08 32.69 23:40:14 all 59.97 0.00 2.36 0.13 0.08 37.47 23:40:14 0 65.51 0.00 2.64 0.17 0.09 31.59 23:40:14 1 58.31 0.00 2.14 0.11 0.08 39.37 23:40:14 2 61.79 0.00 2.53 0.11 0.08 35.48 23:40:14 3 54.25 0.00 2.11 0.11 0.08 43.44 Average: all 62.15 0.00 2.34 0.11 0.08 35.32 Average: 0 64.69 0.00 2.40 0.11 0.09 32.72 Average: 1 61.57 0.00 2.31 0.11 0.08 35.92 Average: 2 62.78 0.00 2.41 0.11 0.08 34.62 Average: 3 59.56 0.00 2.23 0.12 0.08 38.01