---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20692 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: 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 616 10480 4 4891 15029 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:a5:cf:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84657sec preferred_lft 84657sec inet6 fe80::f816:3eff:fea5:cf03/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:1d:8f:f1:36:fc 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-20692) 05/27/26 _x86_64_ (4 CPU) 09:24:19 LINUX RESTART (4 CPU) 09:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:09 4.16 0.07 3.91 0.19 7.09 621.04 22.66 09:50:09 16.33 0.51 14.54 1.28 18.98 2176.48 4516.98 Average: 10.25 0.29 9.22 0.73 13.03 1398.61 2269.39 09:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:09 10021148 13112372 2850592 17.41 114924 3131712 3073456 17.64 498952 5499284 1280 09:50:09 9916912 13522292 2436856 14.88 134264 3597368 2856092 16.39 676884 5402444 86468 Average: 9969030 13317332 2643724 16.15 124594 3364540 2964774 17.02 587918 5450864 43874 09:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:09 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 09:40:09 ens3 15.72 12.17 39.14 8.10 0.00 0.00 0.00 0.00 09:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:09 lo 375.15 375.15 357.32 357.32 0.00 0.00 0.00 0.00 09:50:09 ens3 47.79 32.01 435.96 5.42 0.00 0.00 0.00 0.00 09:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 187.84 187.84 178.81 178.81 0.00 0.00 0.00 0.00 Average: ens3 31.75 22.09 237.51 6.76 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-20692) 05/27/26 _x86_64_ (4 CPU) 09:24:19 LINUX RESTART (4 CPU) 09:30:08 CPU %user %nice %system %iowait %steal %idle 09:40:09 all 54.56 0.00 0.81 0.02 0.15 44.46 09:40:09 0 52.46 0.00 0.76 0.02 0.15 46.61 09:40:09 1 61.43 0.00 0.75 0.01 0.16 37.65 09:40:09 2 53.42 0.00 0.86 0.04 0.14 45.53 09:40:09 3 50.92 0.00 0.86 0.03 0.15 48.03 09:50:09 all 59.06 0.00 1.34 0.07 0.17 39.36 09:50:09 0 49.40 0.00 1.26 0.08 0.15 49.11 09:50:09 1 53.25 0.00 1.26 0.07 0.15 45.26 09:50:09 2 47.68 0.00 1.38 0.06 0.16 50.73 09:50:09 3 85.94 0.00 1.45 0.06 0.23 12.33 Average: all 56.81 0.00 1.07 0.05 0.16 41.91 Average: 0 50.93 0.00 1.01 0.05 0.15 47.86 Average: 1 57.35 0.00 1.00 0.04 0.16 41.45 Average: 2 50.55 0.00 1.12 0.05 0.15 48.13 Average: 3 68.43 0.00 1.16 0.05 0.19 30.18