---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2756 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 68G 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 638 10522 4 4828 15008 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:79:f6:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84988sec preferred_lft 84988sec inet6 fe80::f816:3eff:fe79:f641/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:cb:05:b9:9d:d5 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-2756) 10/28/25 _x86_64_ (4 CPU) 04:19:28 LINUX RESTART (4 CPU) 04:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:30:01 41.56 5.09 34.57 1.91 807.66 5383.69 13963.45 04:40:01 25.55 0.58 20.95 4.02 20.09 4541.02 3572.38 Average: 33.55 2.83 27.76 2.96 413.63 4962.09 8764.62 04:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:30:01 9899784 13310760 2649736 16.18 130896 3412636 3047676 17.49 741016 5363988 35036 04:40:01 10823824 15406708 545392 3.33 163664 4465024 1104964 6.34 1059132 4008956 92 Average: 10361804 14358734 1597564 9.76 147280 3938830 2076320 11.92 900074 4686472 17564 04:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:30:01 lo 1.41 1.41 0.16 0.16 0.00 0.00 0.00 0.00 04:30:01 ens3 131.62 97.71 862.43 23.80 0.00 0.00 0.00 0.00 04:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 lo 1380.41 1380.41 1311.82 1311.82 0.00 0.00 0.00 0.00 04:40:01 ens3 84.06 70.56 406.32 64.03 0.00 0.00 0.00 0.00 04:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 691.35 691.35 656.40 656.40 0.00 0.00 0.00 0.00 Average: ens3 107.82 84.13 634.23 43.92 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-2756) 10/28/25 _x86_64_ (4 CPU) 04:19:28 LINUX RESTART (4 CPU) 04:20:01 CPU %user %nice %system %iowait %steal %idle 04:30:01 all 66.01 0.00 2.32 0.51 0.11 31.05 04:30:01 0 66.15 0.00 2.27 0.76 0.12 30.71 04:30:01 1 67.14 0.00 2.37 0.55 0.11 29.84 04:30:01 2 66.39 0.00 2.35 0.29 0.11 30.86 04:30:01 3 64.35 0.00 2.29 0.45 0.11 32.80 04:40:01 all 63.70 0.00 2.49 0.27 0.11 33.43 04:40:01 0 62.63 0.00 2.43 0.23 0.10 34.61 04:40:01 1 65.09 0.00 2.33 0.22 0.11 32.24 04:40:01 2 62.95 0.00 2.44 0.28 0.10 34.23 04:40:01 3 64.11 0.00 2.78 0.34 0.11 32.66 Average: all 64.85 0.00 2.41 0.39 0.11 32.24 Average: 0 64.39 0.00 2.35 0.49 0.11 32.66 Average: 1 66.11 0.00 2.35 0.39 0.11 31.04 Average: 2 64.67 0.00 2.39 0.28 0.11 32.54 Average: 3 64.23 0.00 2.54 0.39 0.11 32.73