---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3331 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: 5600.00 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 618 10216 4 5155 15028 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:d5:3d:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83935sec preferred_lft 83935sec inet6 fe80::f816:3eff:fed5:3df3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:57:8d:3d:34:20 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-3331) 10/29/25 _x86_64_ (4 CPU) 15:12:58 LINUX RESTART (4 CPU) 15:20:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:39 33.90 4.07 29.16 0.67 247.77 3340.40 726.51 15:40:01 15.04 0.06 3.51 11.47 7.36 517.70 255414.74 15:50:34 15.43 0.50 13.80 1.14 18.45 2564.78 8842.77 Average: 21.53 1.56 15.76 4.21 92.23 2186.81 83101.88 15:20:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:39 9931316 13145944 2816016 17.20 113952 3263308 3164860 18.17 754992 5330656 96 15:40:01 8067720 11422972 4538004 27.72 118916 3387460 4664580 26.77 800460 7133900 240 15:50:34 8786696 12846100 3110456 19.00 140620 4031716 3267628 18.76 1017964 6173576 263904 Average: 8928577 12471672 3488159 21.30 124496 3560828 3699023 21.23 857805 6212711 88080 15:20:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:39 lo 0.36 0.36 0.05 0.05 0.00 0.00 0.00 0.00 15:30:39 ens3 79.54 61.25 715.52 11.55 0.00 0.00 0.00 0.00 15:30:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 0.58 0.58 0.40 0.40 0.00 0.00 0.00 0.00 15:40:01 ens3 11.92 8.94 39.99 2.05 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:34 lo 366.12 366.12 348.69 348.69 0.00 0.00 0.00 0.00 15:50:34 ens3 40.23 28.78 385.52 4.42 0.00 0.00 0.00 0.00 15:50:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 128.78 128.78 122.51 122.51 0.00 0.00 0.00 0.00 Average: ens3 44.63 33.52 388.78 6.08 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-3331) 10/29/25 _x86_64_ (4 CPU) 15:12:58 LINUX RESTART (4 CPU) 15:20:31 CPU %user %nice %system %iowait %steal %idle 15:30:39 all 19.55 0.00 0.66 0.29 0.04 79.47 15:30:39 0 16.72 0.00 0.65 0.35 0.03 82.24 15:30:39 1 21.34 0.00 0.68 0.08 0.04 77.87 15:30:39 2 18.48 0.00 0.74 0.56 0.04 80.18 15:30:39 3 21.65 0.00 0.56 0.18 0.04 77.58 15:40:01 all 50.58 0.00 0.63 0.04 0.09 48.66 15:40:01 0 63.85 0.00 0.66 0.01 0.10 35.38 15:40:01 1 49.38 0.00 0.58 0.01 0.08 49.94 15:40:01 2 45.53 0.00 0.71 0.04 0.08 53.64 15:40:01 3 43.57 0.00 0.59 0.09 0.08 55.66 15:50:34 all 56.14 0.00 1.26 0.60 0.11 41.89 15:50:34 0 46.99 0.00 1.26 1.17 0.10 50.47 15:50:34 1 78.62 0.00 1.36 0.40 0.13 19.49 15:50:34 2 49.72 0.00 1.37 0.46 0.10 48.35 15:50:34 3 49.25 0.00 1.05 0.37 0.10 49.23 Average: all 42.08 0.00 0.86 0.32 0.08 56.66 Average: 0 42.07 0.00 0.87 0.53 0.08 56.45 Average: 1 50.18 0.00 0.89 0.17 0.08 48.69 Average: 2 37.88 0.00 0.95 0.36 0.08 60.74 Average: 3 38.18 0.00 0.74 0.22 0.07 60.79