---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1608 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 628 10259 4 5102 15018 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:11:c2:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84769sec preferred_lft 84769sec inet6 fe80::f816:3eff:fe11:c2b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:10:85:ea:3e:2a 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-1608) 01/18/26 _x86_64_ (4 CPU) 00:26:18 LINUX RESTART (4 CPU) 00:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:10 23.26 0.52 8.87 13.87 591.23 1563.33 252322.22 00:50:12 14.85 0.53 13.26 1.07 19.34 2043.37 7751.29 Average: 19.05 0.52 11.07 7.46 305.16 1803.46 129980.84 00:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:10 7914884 11215780 4745820 28.99 116368 3350632 4906368 28.16 722216 7390368 4564 00:50:12 9514500 13360264 2597536 15.86 137752 3842128 2797204 16.06 909536 5571068 109368 Average: 8714692 12288022 3671678 22.43 127060 3596380 3851786 22.11 815876 6480718 56966 00:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:10 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 00:40:10 ens3 38.01 26.20 304.58 3.87 0.00 0.00 0.00 0.00 00:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:12 lo 425.70 425.70 405.34 405.34 0.00 0.00 0.00 0.00 00:50:12 ens3 38.12 27.77 409.07 4.88 0.00 0.00 0.00 0.00 00:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 213.27 213.27 202.96 202.96 0.00 0.00 0.00 0.00 Average: ens3 38.07 26.99 356.85 4.38 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-1608) 01/18/26 _x86_64_ (4 CPU) 00:26:18 LINUX RESTART (4 CPU) 00:30:09 CPU %user %nice %system %iowait %steal %idle 00:40:10 all 46.94 0.00 0.90 0.06 0.08 52.02 00:40:10 0 42.53 0.00 1.12 0.05 0.07 56.22 00:40:10 1 64.64 0.00 0.80 0.08 0.08 34.40 00:40:10 2 45.39 0.00 0.77 0.05 0.08 53.71 00:40:10 3 35.28 0.00 0.89 0.07 0.07 63.69 00:50:12 all 56.22 0.00 1.16 0.06 0.08 42.48 00:50:12 0 47.22 0.00 1.13 0.04 0.09 51.52 00:50:12 1 68.47 0.00 1.08 0.05 0.08 30.32 00:50:12 2 47.53 0.00 1.21 0.06 0.07 51.13 00:50:12 3 61.68 0.00 1.22 0.10 0.07 36.92 Average: all 51.58 0.00 1.03 0.06 0.08 47.25 Average: 0 44.88 0.00 1.13 0.04 0.08 53.87 Average: 1 66.56 0.00 0.94 0.06 0.08 32.36 Average: 2 46.46 0.00 0.99 0.05 0.08 52.42 Average: 3 48.44 0.00 1.06 0.08 0.07 50.34