---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3108 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 606 10327 4 5056 15040 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:86:02:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84849sec preferred_lft 84849sec inet6 fe80::f816:3eff:fe86:28d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:85:55:46:47:ac 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-3108) 10/13/25 _x86_64_ (4 CPU) 00:24:22 LINUX RESTART (4 CPU) 00:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:02 3.59 0.05 3.37 0.16 6.64 506.68 34.25 00:50:02 25.57 0.66 22.20 2.71 30.09 6203.12 7165.85 Average: 14.58 0.36 12.79 1.44 18.37 3354.66 3599.75 00:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:02 9404248 12687352 3274164 20.00 114976 3333924 3499956 20.09 756472 5859984 292 00:50:02 10570084 15392780 562048 3.43 139244 4790640 1090044 6.26 1135468 4251948 13548 Average: 9987166 14040066 1918106 11.72 127110 4062282 2295000 13.17 945970 5055966 6920 00:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:02 lo 0.58 0.58 0.38 0.38 0.00 0.00 0.00 0.00 00:40:02 ens3 9.87 7.45 40.14 1.73 0.00 0.00 0.00 0.00 00:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:02 lo 465.02 465.02 440.42 440.42 0.00 0.00 0.00 0.00 00:50:02 ens3 55.46 45.48 503.96 68.37 0.00 0.00 0.00 0.00 00:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 232.78 232.78 220.38 220.38 0.00 0.00 0.00 0.00 Average: ens3 32.66 26.46 272.03 35.05 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-3108) 10/13/25 _x86_64_ (4 CPU) 00:24:22 LINUX RESTART (4 CPU) 00:30:02 CPU %user %nice %system %iowait %steal %idle 00:40:02 all 47.26 0.00 0.66 0.04 0.09 51.94 00:40:02 0 62.20 0.00 0.53 0.03 0.11 37.13 00:40:02 1 34.34 0.00 0.73 0.11 0.08 64.74 00:40:02 2 56.08 0.00 0.66 0.01 0.10 43.14 00:40:02 3 36.45 0.00 0.72 0.03 0.08 62.72 00:50:02 all 49.00 0.00 1.51 0.36 0.10 49.03 00:50:02 0 39.99 0.00 1.68 0.13 0.09 58.12 00:50:02 1 39.95 0.00 1.35 0.64 0.09 57.98 00:50:02 2 74.43 0.00 1.67 0.30 0.12 23.48 00:50:02 3 41.63 0.00 1.34 0.36 0.09 56.58 Average: all 48.13 0.00 1.08 0.20 0.10 50.49 Average: 0 51.10 0.00 1.11 0.08 0.10 47.61 Average: 1 37.14 0.00 1.04 0.37 0.09 61.37 Average: 2 65.25 0.00 1.16 0.16 0.11 33.32 Average: 3 39.04 0.00 1.03 0.19 0.08 59.65