---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-257 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 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 649 10250 4 5089 14997 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:b1:93:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84646sec preferred_lft 84646sec inet6 fe80::f816:3eff:feb1:9315/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:ff:c6:c2:e4:2b 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-257) 01/14/26 _x86_64_ (4 CPU) 17:21:49 LINUX RESTART (4 CPU) 17:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:11 12.56 0.50 10.96 1.10 17.60 2739.08 3236.65 17:50:04 28.23 0.61 23.66 3.96 21.84 3885.94 3873.55 Average: 20.33 0.56 17.25 2.52 19.70 3307.67 3552.41 17:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:11 9578328 13446988 2508616 15.32 148908 3818524 2904976 16.67 869868 5516196 24456 17:50:04 10560412 15411724 536864 3.28 173620 4712444 1035148 5.94 1138904 4155692 3368 Average: 10069370 14429356 1522740 9.30 161264 4265484 1970062 11.31 1004386 4835944 13912 17:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:11 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 17:40:11 ens3 75.33 57.19 141.33 18.32 0.00 0.00 0.00 0.00 17:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:04 lo 1510.32 1510.32 1426.27 1426.27 0.00 0.00 0.00 0.00 17:50:04 ens3 124.61 113.32 426.01 202.98 0.00 0.00 0.00 0.00 17:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 749.48 749.48 707.18 707.18 0.00 0.00 0.00 0.00 Average: ens3 99.76 85.02 282.46 109.87 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-257) 01/14/26 _x86_64_ (4 CPU) 17:21:49 LINUX RESTART (4 CPU) 17:30:07 CPU %user %nice %system %iowait %steal %idle 17:40:11 all 74.38 0.00 2.27 0.03 0.12 23.20 17:40:11 0 73.78 0.00 2.42 0.04 0.11 23.65 17:40:11 1 76.18 0.00 2.30 0.02 0.11 21.39 17:40:11 2 73.98 0.00 2.21 0.06 0.12 23.63 17:40:11 3 73.57 0.00 2.17 0.02 0.11 24.13 17:50:04 all 51.84 0.00 2.24 0.11 0.09 45.73 17:50:04 0 50.25 0.00 1.97 0.20 0.09 47.50 17:50:04 1 52.20 0.00 2.32 0.04 0.09 45.34 17:50:04 2 53.46 0.00 2.51 0.12 0.09 43.81 17:50:04 3 51.46 0.00 2.14 0.06 0.09 46.25 Average: all 63.20 0.00 2.25 0.07 0.10 34.37 Average: 0 62.10 0.00 2.19 0.12 0.10 35.49 Average: 1 64.28 0.00 2.31 0.03 0.10 33.27 Average: 2 63.81 0.00 2.36 0.09 0.11 33.63 Average: 3 62.60 0.00 2.16 0.04 0.10 35.10