---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2007 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: 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 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 12G 66G 16% / 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 686 8505 4 6796 14959 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:d8:33:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84598sec preferred_lft 84598sec inet6 fe80::f816:3eff:fed8:3336/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:f3:7e:5d:74:a1 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-2007) 01/19/26 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 16:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 23.96 0.01 21.43 2.52 0.19 2054.24 20796.78 16:20:05 29.08 0.13 26.04 2.91 12.00 8996.79 39746.38 Average: 26.54 0.07 23.76 2.72 6.15 5557.02 30357.56 16:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 8871712 12928956 3025528 18.48 152356 4009744 3004232 17.24 963188 6105328 16632 16:20:05 8859156 15405948 540804 3.30 174848 6392448 1060096 6.08 1829864 5173000 29472 Average: 8865434 14167452 1783166 10.89 163602 5201096 2032164 11.66 1396526 5639164 23052 16:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1059.10 1059.10 1008.27 1008.27 0.00 0.00 0.00 0.00 16:10:01 ens3 27.46 23.30 21.68 12.62 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:05 lo 692.94 692.94 5056.21 5056.21 0.00 0.00 0.00 0.00 16:20:05 ens3 41.38 34.66 109.63 34.37 0.00 0.00 0.00 0.00 16:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 874.36 874.36 3050.61 3050.61 0.00 0.00 0.00 0.00 Average: ens3 34.48 29.03 66.05 23.60 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-2007) 01/19/26 _x86_64_ (4 CPU) 15:50:23 LINUX RESTART (4 CPU) 16:00:08 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 65.48 0.00 2.27 1.14 0.14 30.97 16:10:01 0 65.21 0.00 2.20 1.25 0.14 31.21 16:10:01 1 65.62 0.00 2.38 1.04 0.14 30.83 16:10:01 2 66.34 0.00 2.40 0.54 0.14 30.58 16:10:01 3 64.77 0.00 2.11 1.73 0.14 31.25 16:20:05 all 44.04 0.00 1.87 0.98 0.11 53.00 16:20:05 0 39.64 0.00 2.11 0.32 0.11 57.82 16:20:05 1 47.05 0.00 1.82 1.82 0.12 49.18 16:20:05 2 40.92 0.00 1.62 0.46 0.11 56.88 16:20:05 3 48.54 0.00 1.91 1.31 0.12 48.11 Average: all 54.65 0.00 2.07 1.06 0.13 42.10 Average: 0 52.26 0.00 2.15 0.78 0.12 44.69 Average: 1 56.24 0.00 2.10 1.44 0.13 40.10 Average: 2 53.50 0.00 2.01 0.50 0.12 43.87 Average: 3 56.58 0.00 2.01 1.52 0.13 39.76