---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3105 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 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 611 10274 4 5102 15034 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:ce:01:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84776sec preferred_lft 84776sec inet6 fe80::f816:3eff:fece:11b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:8e:ed:9c:2d:53 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-3105) 01/22/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:05 26.57 1.76 10.98 13.83 651.20 2751.77 274293.71 20:30:01 5.03 0.37 4.43 0.22 11.64 593.14 293.14 Average: 15.87 1.07 7.73 7.07 333.54 1679.61 138201.38 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:05 8983404 12262640 3698852 22.59 115140 3331048 3827504 21.97 719268 6319928 2224 20:30:01 9581496 13363740 2595168 15.85 128944 3790160 2759232 15.84 782084 5627596 334520 Average: 9282450 12813190 3147010 19.22 122042 3560604 3293368 18.90 750676 5973762 168372 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:05 lo 0.71 0.71 0.40 0.40 0.00 0.00 0.00 0.00 20:20:05 ens3 45.26 34.27 433.63 4.68 0.00 0.00 0.00 0.00 20:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 99.07 99.07 94.11 94.11 0.00 0.00 0.00 0.00 20:30:01 ens3 33.27 23.68 411.11 3.17 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 49.56 49.56 46.94 46.94 0.00 0.00 0.00 0.00 Average: ens3 39.31 29.01 422.45 3.93 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-3105) 01/22/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:05 all 52.03 0.00 1.11 0.11 0.09 46.66 20:20:05 0 46.73 0.00 0.97 0.13 0.09 52.08 20:20:05 1 48.92 0.00 1.06 0.17 0.09 49.76 20:20:05 2 59.09 0.00 1.47 0.08 0.08 39.29 20:20:05 3 53.39 0.00 0.96 0.07 0.09 45.50 20:30:01 all 50.28 0.00 0.70 0.02 0.08 48.93 20:30:01 0 69.23 0.00 0.71 0.01 0.08 29.97 20:30:01 1 37.75 0.00 0.73 0.01 0.07 61.43 20:30:01 2 52.51 0.00 0.65 0.02 0.09 46.73 20:30:01 3 41.59 0.00 0.71 0.02 0.08 57.59 Average: all 51.16 0.00 0.91 0.06 0.08 47.79 Average: 0 57.90 0.00 0.84 0.07 0.09 41.10 Average: 1 43.37 0.00 0.90 0.09 0.08 55.56 Average: 2 55.81 0.00 1.06 0.05 0.09 42.99 Average: 3 47.53 0.00 0.84 0.05 0.08 51.50