---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3870 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 679 10461 4 4848 14967 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:e0:98:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84040sec preferred_lft 84040sec inet6 fe80::f816:3eff:fee0:9800/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:b3:fb:f2:8e:71 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-3870) 10/30/25 _x86_64_ (4 CPU) 20:09:40 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:26 13.42 5.90 7.07 0.44 1509.16 4529.94 4680.56 20:30:05 50.22 4.16 34.21 11.85 262.90 3750.95 250931.56 20:40:26 11.79 0.80 9.78 1.21 26.87 2935.23 2637.35 Average: 24.56 3.61 16.62 4.33 609.00 3740.01 82228.04 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:26 13488148 15519404 495648 3.03 57244 2198428 1128280 6.48 379376 2241176 44 20:30:05 11260916 14342912 1619992 9.89 116384 3127144 2286432 13.12 666592 4093172 29160 20:40:26 8662988 12886408 3067908 18.74 160068 4128932 3305536 18.97 933448 6327860 267312 Average: 11137351 14249575 1727849 10.55 111232 3151501 2240083 12.86 659805 4220736 98839 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:26 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 20:20:26 ens3 21.53 15.52 161.49 2.51 0.00 0.00 0.00 0.00 20:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:05 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 20:30:05 ens3 98.32 75.85 739.81 16.27 0.00 0.00 0.00 0.00 20:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:26 lo 193.41 193.41 183.24 183.24 0.00 0.00 0.00 0.00 20:40:26 ens3 83.86 61.85 363.73 17.57 0.00 0.00 0.00 0.00 20:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 66.08 66.08 62.35 62.35 0.00 0.00 0.00 0.00 Average: ens3 67.13 50.45 414.03 12.00 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-3870) 10/30/25 _x86_64_ (4 CPU) 20:09:40 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:26 all 0.79 0.00 0.25 0.90 0.01 98.04 20:20:26 0 0.69 0.00 0.38 1.03 0.02 97.88 20:20:26 1 1.07 0.00 0.24 1.94 0.01 96.74 20:20:26 2 0.60 0.00 0.17 0.37 0.01 98.85 20:20:26 3 0.82 0.00 0.22 0.28 0.01 98.68 20:30:05 all 27.83 0.00 1.12 0.41 0.06 70.58 20:30:05 0 27.43 0.00 1.13 0.61 0.06 70.77 20:30:05 1 28.38 0.00 1.10 0.65 0.06 69.82 20:30:05 2 29.28 0.00 1.01 0.26 0.06 69.39 20:30:05 3 26.21 0.00 1.25 0.14 0.06 72.35 20:40:26 all 73.19 0.00 2.28 0.18 0.13 24.22 20:40:26 0 74.16 0.00 2.26 0.19 0.13 23.26 20:40:26 1 72.36 0.00 2.33 0.15 0.13 25.03 20:40:26 2 73.82 0.00 2.34 0.11 0.13 23.59 20:40:26 3 72.42 0.00 2.19 0.25 0.13 25.01 Average: all 33.97 0.00 1.22 0.50 0.07 64.25 Average: 0 34.15 0.00 1.25 0.61 0.07 63.92 Average: 1 33.93 0.00 1.22 0.92 0.07 63.86 Average: 2 34.58 0.00 1.18 0.25 0.07 63.93 Average: 3 33.21 0.00 1.21 0.22 0.07 65.29