---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2038 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 657 9990 4 5340 14989 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:68:ab:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84442sec preferred_lft 84442sec inet6 fe80::f816:3eff:fe68:ab24/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:b6:ba:8b:9e:55 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-2038) 01/19/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:15 12.86 0.01 10.64 2.21 0.19 683.71 51156.65 18:50:01 39.55 0.20 34.44 4.91 6.19 6698.98 38917.54 Average: 26.05 0.10 22.40 3.54 3.15 3655.40 45110.22 18:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:15 9582752 12975416 2984584 18.23 151404 3378792 3140268 18.03 801672 5606380 768 18:50:01 6905052 12202208 3747088 22.89 186876 5146624 3755248 21.56 1470636 7511748 182260 Average: 8243902 12588812 3365836 20.56 169140 4262708 3447758 19.79 1136154 6559064 91514 18:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:15 lo 54.93 54.93 13.84 13.84 0.00 0.00 0.00 0.00 18:40:15 ens3 5.14 4.19 3.67 1.27 0.00 0.00 0.00 0.00 18:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2076.69 2076.69 1991.86 1991.86 0.00 0.00 0.00 0.00 18:50:01 ens3 82.57 62.01 472.61 15.47 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1053.73 1053.73 991.03 991.03 0.00 0.00 0.00 0.00 Average: ens3 43.39 32.75 235.33 8.28 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-2038) 01/19/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:15 CPU %user %nice %system %iowait %steal %idle 18:40:15 all 13.63 0.00 0.76 0.10 0.08 85.44 18:40:15 0 13.15 0.00 0.80 0.07 0.08 85.90 18:40:15 1 13.75 0.00 0.73 0.07 0.08 85.37 18:40:15 2 13.59 0.00 0.72 0.16 0.08 85.44 18:40:15 3 14.02 0.00 0.77 0.09 0.08 85.04 18:50:01 all 51.87 0.00 2.55 0.14 0.09 45.34 18:50:01 0 53.28 0.00 2.44 0.09 0.09 44.10 18:50:01 1 52.19 0.00 2.82 0.08 0.09 44.82 18:50:01 2 51.52 0.00 2.76 0.26 0.09 45.37 18:50:01 3 50.49 0.00 2.20 0.14 0.09 47.08 Average: all 32.50 0.00 1.64 0.12 0.08 65.65 Average: 0 32.97 0.00 1.61 0.08 0.08 65.26 Average: 1 32.72 0.00 1.76 0.08 0.08 65.36 Average: 2 32.31 0.00 1.72 0.21 0.09 65.67 Average: 3 32.02 0.00 1.48 0.12 0.08 66.30