---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1405 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 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 9.8G 68G 13% / 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 632 11190 4 4166 15014 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:63:70:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84555sec preferred_lft 84555sec inet6 fe80::f816:3eff:fe63:70c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:b3:1a:b5:81:2a 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1405) 08/02/26 _x86_64_ (4 CPU) 00:56:28 LINUX RESTART (4 CPU) 01:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:01 1.97 0.05 1.91 0.02 1.93 46.42 10.90 01:20:17 25.33 1.88 9.37 14.08 121.05 2746.95 234698.93 Average: 13.94 0.99 5.73 7.22 62.99 1430.83 120322.51 01:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:01 13047044 15520556 454028 2.77 99004 2563648 987316 5.67 340076 2666148 144 01:20:17 10695744 14065880 1893664 11.57 133312 3356296 2494792 14.32 565908 4728196 28980 Average: 11871394 14793218 1173846 7.17 116158 2959972 1741054 9.99 452992 3697172 14562 01:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 01:10:01 ens3 17.16 14.53 224.15 1.56 0.00 0.00 0.00 0.00 01:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:17 lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 01:20:17 ens3 98.55 75.93 616.78 17.52 0.00 0.00 0.00 0.00 01:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.62 0.62 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 58.89 46.01 425.43 9.74 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1405) 08/02/26 _x86_64_ (4 CPU) 00:56:28 LINUX RESTART (4 CPU) 01:00:15 CPU %user %nice %system %iowait %steal %idle 01:10:01 all 0.31 0.00 0.05 0.03 0.01 99.60 01:10:01 0 0.02 0.00 0.04 0.03 0.01 99.90 01:10:01 1 0.84 0.00 0.08 0.05 0.01 99.02 01:10:01 2 0.18 0.00 0.05 0.02 0.01 99.74 01:10:01 3 0.18 0.00 0.05 0.02 0.01 99.74 01:20:17 all 54.85 0.00 1.77 0.06 0.08 43.24 01:20:17 0 53.03 0.00 1.83 0.12 0.08 44.94 01:20:17 1 54.25 0.00 1.74 0.07 0.08 43.85 01:20:17 2 55.80 0.00 1.69 0.03 0.08 42.40 01:20:17 3 56.31 0.00 1.82 0.03 0.08 41.76 Average: all 28.23 0.00 0.93 0.05 0.05 70.74 Average: 0 27.17 0.00 0.96 0.08 0.04 71.75 Average: 1 28.17 0.00 0.93 0.06 0.05 70.79 Average: 2 28.66 0.00 0.89 0.03 0.05 70.38 Average: 3 28.93 0.00 0.95 0.03 0.05 70.04