---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1605 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 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 632 10356 4 4999 15013 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:fb:8d:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84685sec preferred_lft 84685sec inet6 fe80::f816:3eff:fefb:8d6f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:07:30:54:c4:bf 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-1605) 08/03/26 _x86_64_ (4 CPU) 00:25:25 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:16 3.99 0.11 3.70 0.18 9.20 649.15 170.17 00:50:16 17.23 0.52 15.57 1.14 19.10 2324.15 5805.81 Average: 10.53 0.31 9.56 0.66 14.09 1476.83 2954.93 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:16 10615836 13739668 2223364 13.58 116384 3160484 2781012 15.96 509600 4905012 31416 00:50:16 8895412 12756324 3201952 19.56 136188 3838672 3330676 19.12 745156 6323456 270912 Average: 9755624 13247996 2712658 16.57 126286 3499578 3055844 17.54 627378 5614234 151164 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:16 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 00:40:16 ens3 11.03 7.81 34.84 2.36 0.00 0.00 0.00 0.00 00:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:16 lo 414.02 414.02 394.49 394.49 0.00 0.00 0.00 0.00 00:50:16 ens3 43.42 31.27 442.23 4.61 0.00 0.00 0.00 0.00 00:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 204.88 204.88 195.12 195.12 0.00 0.00 0.00 0.00 Average: ens3 27.04 19.40 236.15 3.47 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-1605) 08/03/26 _x86_64_ (4 CPU) 00:25:25 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:16 all 46.27 0.00 0.73 0.04 0.08 52.88 00:40:16 0 59.27 0.00 0.92 0.01 0.09 39.70 00:40:16 1 45.03 0.00 0.66 0.00 0.08 54.22 00:40:16 2 44.66 0.00 0.63 0.01 0.08 54.62 00:40:16 3 36.16 0.00 0.69 0.12 0.08 62.94 00:50:16 all 59.10 0.00 1.24 0.05 0.11 39.50 00:50:16 0 50.59 0.00 1.33 0.05 0.09 47.94 00:50:16 1 53.07 0.00 1.25 0.05 0.10 45.53 00:50:16 2 57.63 0.00 1.21 0.04 0.09 41.03 00:50:16 3 75.12 0.00 1.19 0.05 0.15 23.49 Average: all 52.61 0.00 0.98 0.04 0.10 46.27 Average: 0 54.98 0.00 1.12 0.03 0.09 43.77 Average: 1 49.00 0.00 0.95 0.03 0.09 49.92 Average: 2 51.06 0.00 0.92 0.02 0.08 47.91 Average: 3 55.39 0.00 0.94 0.09 0.11 43.47