---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34049 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 5599.94 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 13% / 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 677 10792 4 4519 14969 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:25:bf:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84703sec preferred_lft 84703sec inet6 fe80::f816:3eff:fe25:bfb9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:3b:73:19:cf:3a 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-34049) 08/10/26 _x86_64_ (4 CPU) 20:53:55 LINUX RESTART (4 CPU) 21:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:15 43.02 2.52 33.71 6.79 139.02 4175.24 33915.83 21:20:03 32.18 0.16 26.52 5.49 10.46 3533.52 18374.57 Average: 37.70 1.36 30.18 6.15 75.94 3860.37 26290.22 21:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:15 10110572 13713352 2245144 13.71 160512 3551960 2454500 14.09 605576 5254948 118188 21:20:03 11104780 15369932 582904 3.56 203288 4114872 1112200 6.38 816392 3966360 232 Average: 10607676 14541642 1414024 8.64 181900 3833416 1783350 10.24 710984 4610654 59210 21:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:15 lo 3938.20 3938.20 3756.18 3756.18 0.00 0.00 0.00 0.00 21:10:15 ens3 169.13 129.29 790.72 32.21 0.00 0.00 0.00 0.00 21:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:03 lo 2632.59 2632.59 2497.65 2497.65 0.00 0.00 0.00 0.00 21:20:03 ens3 119.14 104.91 150.20 151.59 0.00 0.00 0.00 0.00 21:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3297.58 3297.58 3138.66 3138.66 0.00 0.00 0.00 0.00 Average: ens3 144.60 117.33 476.44 90.79 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-34049) 08/10/26 _x86_64_ (4 CPU) 20:53:55 LINUX RESTART (4 CPU) 21:00:05 CPU %user %nice %system %iowait %steal %idle 21:10:15 all 59.23 0.00 3.65 0.14 0.13 36.84 21:10:15 0 58.43 0.00 3.54 0.21 0.13 37.69 21:10:15 1 59.54 0.00 3.62 0.12 0.13 36.58 21:10:15 2 59.49 0.00 3.55 0.06 0.13 36.77 21:10:15 3 59.47 0.00 3.88 0.19 0.13 36.33 21:20:03 all 45.89 0.00 2.87 0.26 0.13 50.84 21:20:03 0 47.14 0.00 3.08 0.34 0.13 49.31 21:20:03 1 44.98 0.00 2.73 0.13 0.14 52.03 21:20:03 2 46.65 0.00 2.92 0.15 0.13 50.14 21:20:03 3 44.80 0.00 2.75 0.42 0.13 51.89 Average: all 52.68 0.00 3.27 0.20 0.13 43.71 Average: 0 52.88 0.00 3.31 0.28 0.13 43.40 Average: 1 52.39 0.00 3.18 0.13 0.14 44.16 Average: 2 53.20 0.00 3.24 0.10 0.13 43.33 Average: 3 52.26 0.00 3.33 0.30 0.13 43.97