---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1575 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 704 9866 4 5418 14942 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:b1:5c:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84799sec preferred_lft 84799sec inet6 fe80::f816:3eff:feb1:5ca3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:51:4f:d3:7a:12 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-1575) 01/17/26 _x86_64_ (4 CPU) 23:15:29 LINUX RESTART (4 CPU) 23:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:30:10 41.90 0.59 25.93 15.39 402.88 4223.96 262897.94 23:40:03 33.34 0.04 29.31 4.00 1.25 5437.71 23139.55 Average: 37.68 0.32 27.59 9.77 204.74 4822.78 144610.99 23:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:30:10 9132200 13383396 2569372 15.69 167200 4148984 2849560 16.36 947488 5848956 102952 23:40:03 7871400 13135716 2812948 17.18 180080 5108912 2981308 17.11 1160440 6844844 18276 Average: 8501800 13259556 2691160 16.44 173640 4628948 2915434 16.73 1053964 6346900 60614 23:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:30:10 lo 894.44 894.44 851.94 851.94 0.00 0.00 0.00 0.00 23:30:10 ens3 49.81 40.13 311.22 9.43 0.00 0.00 0.00 0.00 23:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:03 lo 1050.55 1050.55 1000.10 1000.10 0.00 0.00 0.00 0.00 23:40:03 ens3 44.25 36.40 211.67 10.19 0.00 0.00 0.00 0.00 23:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 971.46 971.46 925.04 925.04 0.00 0.00 0.00 0.00 Average: ens3 47.07 38.29 262.11 9.81 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-1575) 01/17/26 _x86_64_ (4 CPU) 23:15:29 LINUX RESTART (4 CPU) 23:20:01 CPU %user %nice %system %iowait %steal %idle 23:30:10 all 61.13 0.00 2.38 0.11 0.08 36.31 23:30:10 0 60.20 0.00 2.15 0.11 0.08 37.46 23:30:10 1 60.91 0.00 2.12 0.10 0.08 36.79 23:30:10 2 62.59 0.00 2.61 0.11 0.08 34.61 23:30:10 3 60.80 0.00 2.64 0.11 0.08 36.36 23:40:03 all 61.35 0.00 2.44 0.08 0.08 36.05 23:40:03 0 57.49 0.00 2.28 0.14 0.08 40.01 23:40:03 1 64.19 0.00 2.47 0.08 0.09 33.17 23:40:03 2 61.56 0.00 2.60 0.08 0.08 35.68 23:40:03 3 62.16 0.00 2.40 0.03 0.08 35.32 Average: all 61.24 0.00 2.41 0.09 0.08 36.18 Average: 0 58.86 0.00 2.21 0.13 0.08 38.72 Average: 1 62.53 0.00 2.29 0.09 0.08 35.00 Average: 2 62.08 0.00 2.61 0.09 0.08 35.14 Average: 3 61.47 0.00 2.53 0.07 0.08 35.85