---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39648 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: 5599.99 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 12G 66G 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 737 9308 4 5943 14909 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:1c:cb:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84447sec preferred_lft 84447sec inet6 fe80::f816:3eff:fe1c:cbcd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:8c:72:b1:3d:e3 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-39648) 08/21/26 _x86_64_ (4 CPU) 14:08:37 LINUX RESTART (4 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:00 32.79 3.73 27.06 2.00 209.48 6785.19 31119.37 14:30:00 34.29 0.05 30.65 3.59 1.29 3229.21 27047.20 14:40:00 16.43 0.14 14.11 2.19 10.01 5667.69 2384.37 Average: 27.84 1.31 23.94 2.59 73.60 5227.35 20183.63 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:00 8681180 12798780 3156460 19.28 159136 4034888 3469788 19.92 725972 6536676 185416 14:30:00 8495792 13016012 2934988 17.93 190724 4365272 3211392 18.43 878560 6518116 3052 14:40:00 9618216 15342472 602212 3.68 210788 5481948 1131468 6.49 946736 5217828 4 Average: 8931729 13719088 2231220 13.63 186883 4627369 2604216 14.95 850423 6090873 62824 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:00 lo 612.19 612.19 583.10 583.10 0.00 0.00 0.00 0.00 14:20:00 ens3 137.72 103.81 1251.35 19.80 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:00 lo 1639.86 1639.86 1563.44 1563.44 0.00 0.00 0.00 0.00 14:30:00 ens3 52.11 39.72 140.19 12.12 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:00 lo 11.33 11.33 1.17 1.17 0.00 0.00 0.00 0.00 14:40:00 ens3 67.60 65.13 120.13 206.14 0.00 0.00 0.00 0.00 14:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 754.46 754.46 715.91 715.91 0.00 0.00 0.00 0.00 Average: ens3 85.81 69.55 503.89 79.35 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-39648) 08/21/26 _x86_64_ (4 CPU) 14:08:37 LINUX RESTART (4 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:00 all 51.81 0.00 1.98 0.22 0.10 45.89 14:20:00 0 49.86 0.00 1.71 0.12 0.09 48.22 14:20:00 1 52.63 0.00 1.96 0.40 0.09 44.93 14:20:00 2 50.62 0.00 2.08 0.22 0.10 46.98 14:20:00 3 54.15 0.00 2.17 0.14 0.10 43.45 14:30:00 all 58.90 0.00 2.48 0.06 0.10 38.45 14:30:00 0 56.30 0.00 2.57 0.07 0.10 40.97 14:30:00 1 59.47 0.00 2.68 0.08 0.10 37.68 14:30:00 2 59.64 0.00 2.20 0.06 0.10 38.01 14:30:00 3 60.22 0.00 2.48 0.05 0.10 37.16 14:40:00 all 40.80 0.00 1.35 1.91 0.08 55.85 14:40:00 0 37.50 0.00 1.27 0.77 0.08 60.37 14:40:00 1 47.72 0.00 1.77 2.93 0.08 47.49 14:40:00 2 38.98 0.00 1.06 0.09 0.08 59.79 14:40:00 3 39.01 0.00 1.30 3.87 0.09 55.74 Average: all 50.50 0.00 1.94 0.73 0.09 46.74 Average: 0 47.87 0.00 1.85 0.32 0.09 49.87 Average: 1 53.27 0.00 2.13 1.14 0.09 43.37 Average: 2 49.74 0.00 1.78 0.12 0.09 48.27 Average: 3 51.12 0.00 1.98 1.35 0.10 45.45