---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28801 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 15% / 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 655 9958 4 5375 14991 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:f6:d1:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85051sec preferred_lft 85051sec inet6 fe80::f816:3eff:fef6:d120/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:cb:44:78:87:9e 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-28801) 06/20/26 _x86_64_ (4 CPU) 05:28:30 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:12 24.46 3.02 20.73 0.71 152.09 3915.33 789.79 05:50:01 20.31 0.70 18.49 1.11 76.46 7165.86 5741.39 Average: 22.42 1.88 19.63 0.91 115.02 5508.93 3217.36 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:12 10777848 13990100 1970872 12.04 140476 3205632 2629308 15.09 575756 4650732 29364 05:50:01 8789804 14032004 1918864 11.72 182824 5082296 2242112 12.87 980376 6081316 46060 Average: 9783826 14011052 1944868 11.88 161650 4143964 2435710 13.98 778066 5366024 37712 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:12 lo 2.51 2.51 0.21 0.21 0.00 0.00 0.00 0.00 05:40:12 ens3 75.75 61.75 516.69 14.00 0.00 0.00 0.00 0.00 05:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 2.04 2.04 0.18 0.18 0.00 0.00 0.00 0.00 05:50:01 ens3 127.99 101.12 612.48 63.16 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.28 2.28 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 101.36 81.05 563.65 38.10 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-28801) 06/20/26 _x86_64_ (4 CPU) 05:28:30 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:12 all 57.70 0.00 1.85 0.07 0.08 40.29 05:40:12 0 56.86 0.00 1.67 0.10 0.08 41.28 05:40:12 1 56.87 0.00 1.75 0.02 0.09 41.27 05:40:12 2 55.63 0.00 1.70 0.09 0.08 42.50 05:40:12 3 61.44 0.00 2.29 0.07 0.09 36.12 05:50:01 all 56.77 0.00 2.10 0.10 0.08 40.95 05:50:01 0 54.84 0.00 1.80 0.06 0.09 43.21 05:50:01 1 55.75 0.00 1.91 0.08 0.09 42.17 05:50:01 2 58.36 0.00 2.41 0.07 0.09 39.07 05:50:01 3 58.11 0.00 2.27 0.17 0.08 39.36 Average: all 57.24 0.00 1.97 0.09 0.08 40.62 Average: 0 55.87 0.00 1.74 0.09 0.08 42.23 Average: 1 56.32 0.00 1.83 0.05 0.09 41.71 Average: 2 56.97 0.00 2.05 0.08 0.08 40.82 Average: 3 59.81 0.00 2.28 0.12 0.08 37.71