---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4842 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 764 19805 4 11522 30860 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:3e:af:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.220/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84587sec preferred_lft 84587sec inet6 fe80::f816:3eff:fe3e:af0b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:88:07:05:98:9b 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4842) 07/03/26 _x86_64_ (8 CPU) 11:10:21 LINUX RESTART (8 CPU) 11:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 13.14 0.25 11.98 0.91 3.26 2062.61 590.56 11:40:12 15.80 0.10 13.01 2.69 13.12 5045.36 8250.03 Average: 14.49 0.17 12.50 1.82 8.28 3581.54 4491.05 11:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 15916384 25284916 6955972 21.17 478044 8399284 16218048 47.83 1632384 14064976 5940 11:40:12 20312988 31623176 615020 1.87 489012 10275024 1207068 3.56 1843176 9390160 596600 Average: 18114686 28454046 3785496 11.52 483528 9337154 8712558 25.69 1737780 11727568 301270 11:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 6.41 6.41 1.05 1.05 0.00 0.00 0.00 0.00 11:30:01 ens3 171.58 91.87 192.61 43.28 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:12 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 11:40:12 ens3 73.09 37.05 91.91 17.80 0.00 0.00 0.00 0.00 11:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.46 3.46 0.55 0.55 0.00 0.00 0.00 0.00 Average: ens3 121.42 63.95 141.33 30.31 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4842) 07/03/26 _x86_64_ (8 CPU) 11:10:21 LINUX RESTART (8 CPU) 11:20:12 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 84.33 0.00 2.70 0.00 0.10 12.87 11:30:01 0 83.48 0.00 2.66 0.01 0.10 13.75 11:30:01 1 83.35 0.00 2.42 0.00 0.10 14.13 11:30:01 2 83.42 0.00 2.67 0.00 0.10 13.81 11:30:01 3 83.17 0.00 2.77 0.00 0.10 13.97 11:30:01 4 81.52 0.00 3.09 0.00 0.10 15.29 11:30:01 5 92.70 0.00 2.84 0.00 0.11 4.35 11:30:01 6 84.41 0.00 2.59 0.00 0.10 12.91 11:30:01 7 82.63 0.00 2.53 0.01 0.10 14.73 11:40:12 all 88.09 0.00 2.99 0.03 0.10 8.79 11:40:12 0 91.00 0.00 3.14 0.00 0.09 5.77 11:40:12 1 87.01 0.00 2.89 0.00 0.10 10.00 11:40:12 2 88.17 0.00 3.02 0.01 0.09 8.70 11:40:12 3 87.63 0.00 3.16 0.09 0.10 9.02 11:40:12 4 88.46 0.00 3.18 0.01 0.10 8.26 11:40:12 5 87.27 0.00 2.99 0.13 0.10 9.51 11:40:12 6 87.61 0.00 2.65 0.00 0.10 9.63 11:40:12 7 87.61 0.00 2.89 0.00 0.09 9.41 Average: all 86.25 0.00 2.85 0.02 0.10 10.79 Average: 0 87.31 0.00 2.90 0.01 0.10 9.69 Average: 1 85.21 0.00 2.66 0.00 0.10 12.02 Average: 2 85.84 0.00 2.85 0.01 0.09 11.21 Average: 3 85.44 0.00 2.97 0.05 0.10 11.44 Average: 4 85.05 0.00 3.14 0.01 0.10 11.71 Average: 5 89.93 0.00 2.92 0.07 0.10 6.98 Average: 6 86.04 0.00 2.62 0.00 0.10 11.24 Average: 7 85.17 0.00 2.72 0.01 0.09 12.02