---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26149 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 673 10281 4 5034 14973 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:dd:f5:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84732sec preferred_lft 84732sec inet6 fe80::f816:3eff:fedd:f57b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:99:a5:65:fc:a9 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-26149) 06/09/26 _x86_64_ (4 CPU) 09:13:51 LINUX RESTART (4 CPU) 09:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:20 10.57 0.47 9.01 1.09 17.71 2131.42 2896.88 09:40:20 28.01 0.71 23.13 4.16 23.91 3649.87 5267.94 Average: 19.29 0.59 16.07 2.63 20.81 2890.46 4082.11 09:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:20 9726744 13602376 2353584 14.37 149980 3813824 2634380 15.12 788552 5431648 18224 09:40:20 10572772 15368272 581344 3.55 174144 4649508 1119416 6.43 1033184 4247380 180 Average: 10149758 14485324 1467464 8.96 162062 4231666 1876898 10.77 910868 4839514 9202 09:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:20 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 09:30:20 ens3 52.66 44.92 99.95 15.69 0.00 0.00 0.00 0.00 09:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:20 lo 1641.46 1641.46 1552.48 1552.48 0.00 0.00 0.00 0.00 09:40:20 ens3 107.27 94.67 410.66 158.43 0.00 0.00 0.00 0.00 09:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 821.23 821.23 776.12 776.12 0.00 0.00 0.00 0.00 Average: ens3 79.96 69.79 255.27 87.04 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-26149) 06/09/26 _x86_64_ (4 CPU) 09:13:51 LINUX RESTART (4 CPU) 09:20:20 CPU %user %nice %system %iowait %steal %idle 09:30:20 all 72.35 0.00 2.30 0.04 0.15 25.15 09:30:20 0 72.77 0.00 1.72 0.05 0.15 25.31 09:30:20 1 71.99 0.00 2.50 0.04 0.15 25.32 09:30:20 2 72.42 0.00 2.76 0.04 0.15 24.63 09:30:20 3 72.23 0.00 2.24 0.02 0.15 25.36 09:40:20 all 43.50 0.00 2.13 0.10 0.10 54.18 09:40:20 0 43.81 0.00 1.74 0.06 0.09 54.30 09:40:20 1 39.37 0.00 2.13 0.09 0.09 58.32 09:40:20 2 48.76 0.00 2.51 0.10 0.11 48.52 09:40:20 3 42.07 0.00 2.11 0.14 0.10 55.58 Average: all 57.92 0.00 2.21 0.07 0.12 39.67 Average: 0 58.29 0.00 1.73 0.06 0.12 39.80 Average: 1 55.66 0.00 2.32 0.07 0.12 41.84 Average: 2 60.59 0.00 2.64 0.07 0.13 36.57 Average: 3 57.17 0.00 2.17 0.08 0.12 40.45