---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31493 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.1G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 786 4945 4 2518 7155 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:26:83:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81109sec preferred_lft 81109sec inet6 fe80::f816:3eff:fe26:83f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31493) 06/29/26 _x86_64_ (2 CPU) 02:19:16 LINUX RESTART (2 CPU) 02:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:03 2.07 0.03 2.00 0.04 1.38 1597.64 1317.21 02:40:09 1.22 0.01 1.20 0.01 0.05 14.79 0.71 02:50:09 1.15 0.00 1.14 0.02 0.00 13.85 1.20 03:00:10 1.36 0.00 1.33 0.02 0.00 16.42 437.13 03:10:09 1.82 0.26 1.54 0.03 32.04 75.26 1.43 03:20:03 14.03 0.01 1.34 12.69 0.16 16.20 110242.35 03:30:13 15.42 13.31 2.04 0.07 148.56 44.74 222.77 03:40:13 27.30 2.99 21.85 2.47 226.16 4045.16 2883.87 Average: 8.05 2.10 4.05 1.90 51.28 725.58 14229.70 02:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:03 6296500 7543176 277564 3.41 30564 1422024 528004 5.75 445108 1183216 208 02:40:09 6304088 7551300 269432 3.31 30764 1422356 528180 5.75 445472 1183748 168 02:50:09 6303596 7551336 269388 3.31 30964 1422680 528324 5.75 445536 1184268 176 03:00:10 6295236 7543512 277144 3.41 31148 1423008 528188 5.75 445624 1184784 140 03:10:09 6243396 7519180 301048 3.70 31524 1449796 528800 5.76 454460 1202736 172 03:20:03 6243392 7519748 300412 3.69 31728 1450152 528864 5.76 454504 1203276 172 03:30:13 6191536 7525076 285800 3.51 35912 1494776 529304 5.77 455784 1251476 68 03:40:13 5169104 7425676 332464 4.09 90728 2317876 586732 6.39 573340 2083972 192 Average: 6130856 7522376 289156 3.56 39166 1550334 535800 5.84 464978 1309684 162 02:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 2.33 0.20 0.54 0.09 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.68 0.07 0.10 0.03 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.51 0.05 0.08 0.03 0.00 0.00 0.00 0.00 03:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:10 ens3 0.50 0.11 0.13 0.06 0.00 0.00 0.00 0.00 03:10:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 0.87 0.47 3.20 0.04 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 0.25 0.04 0.05 0.01 0.00 0.00 0.00 0.00 03:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:13 ens3 0.53 0.22 0.14 0.53 0.00 0.00 0.00 0.00 03:40:13 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:40:13 ens3 112.23 76.72 324.91 17.64 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.71 9.72 41.07 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31493) 06/29/26 _x86_64_ (2 CPU) 02:19:16 LINUX RESTART (2 CPU) 02:20:07 CPU %user %nice %system %iowait %steal %idle 02:30:03 all 0.35 0.00 0.27 0.02 0.02 99.34 02:30:03 0 0.40 0.00 0.27 0.03 0.02 99.28 02:30:03 1 0.30 0.00 0.27 0.01 0.02 99.40 02:40:09 all 0.26 0.00 0.08 0.01 0.02 99.63 02:40:09 0 0.09 0.00 0.09 0.00 0.02 99.79 02:40:09 1 0.44 0.00 0.08 0.01 0.01 99.46 02:50:09 all 0.27 0.00 0.08 0.01 0.02 99.62 02:50:09 0 0.12 0.00 0.09 0.01 0.02 99.77 02:50:09 1 0.42 0.00 0.07 0.01 0.02 99.48 03:00:10 all 0.28 0.00 0.17 0.01 0.02 99.52 03:00:10 0 0.26 0.00 0.16 0.01 0.02 99.56 03:00:10 1 0.31 0.00 0.18 0.00 0.02 99.49 03:10:09 all 0.41 0.00 0.11 0.02 0.02 99.44 03:10:09 0 0.52 0.00 0.11 0.04 0.02 99.31 03:10:09 1 0.30 0.00 0.10 0.01 0.02 99.57 03:20:03 all 0.24 0.00 0.10 0.27 0.01 99.38 03:20:03 0 0.41 0.00 0.08 0.05 0.01 99.45 03:20:03 1 0.07 0.00 0.12 0.48 0.02 99.31 03:30:13 all 0.27 0.18 0.23 0.16 0.02 99.13 03:30:13 0 0.14 0.26 0.26 0.24 0.02 99.08 03:30:13 1 0.41 0.10 0.20 0.09 0.01 99.19 03:40:13 all 12.23 0.00 1.87 0.71 0.05 85.15 03:40:13 0 10.74 0.00 1.64 0.64 0.04 86.93 03:40:13 1 13.72 0.00 2.09 0.77 0.05 83.37 Average: all 1.79 0.02 0.36 0.15 0.02 97.66 Average: 0 1.58 0.03 0.34 0.13 0.02 97.90 Average: 1 1.99 0.01 0.39 0.17 0.02 97.41