---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1335 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 12G 66G 15% / 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 666 9170 4 6152 14980 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:81:ec:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84548sec preferred_lft 84548sec inet6 fe80::f816:3eff:fe81:ec95/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:be:12:b7:b4:ce 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-1335) 01/17/26 _x86_64_ (4 CPU) 01:08:08 LINUX RESTART (4 CPU) 01:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:12 35.68 2.91 28.85 3.91 718.57 5048.50 45204.23 01:30:19 21.26 0.16 17.96 3.13 5.00 1580.87 23083.74 Average: 28.49 1.54 23.42 3.52 362.71 3319.22 34172.88 01:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:12 9331916 13054004 2903340 17.73 130188 3716828 3245080 18.63 890208 5771316 6088 01:30:19 9066552 13154260 2799972 17.10 149284 4035212 3123888 17.93 1019696 5872556 31592 Average: 9199234 13104132 2851656 17.42 139736 3876020 3184484 18.28 954952 5821936 18840 01:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:12 lo 21.51 21.51 4.77 4.77 0.00 0.00 0.00 0.00 01:20:12 ens3 82.82 63.24 761.64 11.94 0.00 0.00 0.00 0.00 01:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:19 lo 1210.79 1210.79 1124.67 1124.67 0.00 0.00 0.00 0.00 01:30:19 ens3 36.34 28.07 245.32 6.54 0.00 0.00 0.00 0.00 01:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 614.60 614.60 563.26 563.26 0.00 0.00 0.00 0.00 Average: ens3 59.64 45.70 504.16 9.25 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-1335) 01/17/26 _x86_64_ (4 CPU) 01:08:08 LINUX RESTART (4 CPU) 01:10:02 CPU %user %nice %system %iowait %steal %idle 01:20:12 all 37.88 0.00 1.62 0.25 0.09 60.16 01:20:12 0 37.74 0.00 1.25 0.19 0.08 60.75 01:20:12 1 37.41 0.00 1.51 0.19 0.09 60.81 01:20:12 2 37.66 0.00 1.58 0.23 0.08 60.44 01:20:12 3 38.72 0.00 2.17 0.38 0.09 58.66 01:30:19 all 26.79 0.00 1.48 0.08 0.08 71.56 01:30:19 0 26.43 0.00 1.34 0.16 0.09 71.99 01:30:19 1 27.88 0.00 1.28 0.05 0.09 70.71 01:30:19 2 26.90 0.00 1.81 0.08 0.08 71.12 01:30:19 3 25.96 0.00 1.48 0.03 0.08 72.44 Average: all 32.35 0.00 1.55 0.16 0.08 65.85 Average: 0 32.10 0.00 1.29 0.17 0.08 66.35 Average: 1 32.66 0.00 1.39 0.12 0.09 65.74 Average: 2 32.30 0.00 1.69 0.16 0.08 65.76 Average: 3 32.36 0.00 1.82 0.21 0.08 65.53