---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36135 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 68G 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 674 10482 4 4832 14971 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:bb:1e:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84499sec preferred_lft 84499sec inet6 fe80::f816:3eff:febb:1e80/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:dd:27:a6:71:a4 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-36135) 07/15/26 _x86_64_ (4 CPU) 15:26:32 LINUX RESTART (4 CPU) 15:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 10.03 2.03 7.50 0.51 129.84 2360.59 1346.34 15:50:10 19.38 0.77 16.50 2.11 27.57 3226.40 3871.21 Average: 14.81 1.38 12.10 1.33 77.52 2803.56 2638.12 15:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10847228 14067040 1893772 11.57 125148 3227556 2242080 12.87 530192 4609548 34084 15:50:10 9115272 13235244 2717176 16.60 163716 4010912 2817520 16.17 758056 6024412 9564 Average: 9981250 13651142 2305474 14.08 144432 3619234 2529800 14.52 644124 5316980 21824 15:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.72 0.72 0.07 0.07 0.00 0.00 0.00 0.00 15:40:01 ens3 73.32 60.46 673.98 12.84 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:10 lo 769.50 769.50 732.79 732.79 0.00 0.00 0.00 0.00 15:50:10 ens3 88.12 64.97 326.27 19.30 0.00 0.00 0.00 0.00 15:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 394.04 394.04 374.94 374.94 0.00 0.00 0.00 0.00 Average: ens3 80.89 62.77 496.09 16.15 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-36135) 07/15/26 _x86_64_ (4 CPU) 15:26:32 LINUX RESTART (4 CPU) 15:30:19 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 37.98 0.00 1.17 0.04 0.07 60.75 15:40:01 0 36.81 0.00 1.18 0.05 0.07 61.89 15:40:01 1 39.13 0.00 1.41 0.06 0.08 59.32 15:40:01 2 38.60 0.00 1.09 0.01 0.07 60.23 15:40:01 3 37.36 0.00 1.00 0.03 0.07 61.55 15:50:10 all 69.70 0.00 2.50 0.06 0.12 27.62 15:50:10 0 70.02 0.00 2.59 0.12 0.12 27.15 15:50:10 1 70.42 0.00 2.46 0.02 0.12 26.97 15:50:10 2 69.09 0.00 2.52 0.04 0.12 28.23 15:50:10 3 69.28 0.00 2.42 0.04 0.12 28.14 Average: all 54.20 0.00 1.85 0.05 0.10 43.81 Average: 0 53.80 0.00 1.90 0.08 0.10 44.12 Average: 1 55.13 0.00 1.95 0.04 0.10 42.78 Average: 2 54.18 0.00 1.82 0.03 0.10 43.88 Average: 3 53.68 0.00 1.72 0.03 0.09 44.47