---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37265 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 778 5074 4 2382 7163 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:25:5c:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81524sec preferred_lft 81524sec inet6 fe80::f816:3eff:fe25:5cb1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37265) 07/20/26 _x86_64_ (2 CPU) 00:42:28 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 1.60 0.01 1.59 0.01 0.05 18.36 429.92 01:10:10 13.98 0.00 1.44 12.53 0.15 16.41 109182.93 01:20:01 1.31 0.00 1.31 0.00 0.01 15.45 0.12 01:30:10 1.53 0.00 1.52 0.01 0.00 18.00 429.35 01:40:10 1.91 0.26 1.65 0.01 32.03 76.81 0.23 01:50:01 1.32 0.00 1.31 0.01 0.00 15.57 0.61 02:00:10 24.26 2.84 19.11 2.31 222.94 3596.93 650.16 Average: 6.60 0.45 4.02 2.13 36.85 543.36 15784.09 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 6300888 7552380 267984 3.30 30728 1426364 527960 5.75 442784 1187824 124 01:10:10 6305528 7557576 262724 3.23 30896 1426740 528028 5.75 442900 1188340 124 01:20:01 6309264 7561824 258468 3.18 31072 1427072 528228 5.75 443136 1188848 280 01:30:10 6300068 7553128 267116 3.28 31248 1427392 528228 5.75 443148 1189344 132 01:40:10 6245188 7525952 293856 3.61 31576 1454400 529004 5.76 455476 1207476 128 01:50:01 6260336 7541624 278140 3.42 31764 1454728 529084 5.76 455824 1207992 124 02:00:10 5075884 7342500 404620 4.98 87508 2336492 685928 7.47 641584 2099844 196 Average: 6113879 7519283 290415 3.57 39256 1564741 550923 6.00 474979 1324238 158 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.56 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 1.14 0.06 9.61 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.50 0.09 0.26 0.05 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.31 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.72 0.39 3.30 0.62 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.33 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:00:10 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:10 ens3 85.40 61.49 351.49 15.11 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 12.86 9.00 52.77 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37265) 07/20/26 _x86_64_ (2 CPU) 00:42:28 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 0.30 0.00 0.16 0.01 0.02 99.51 01:00:10 0 0.08 0.00 0.19 0.01 0.03 99.70 01:00:10 1 0.51 0.00 0.14 0.01 0.02 99.32 01:10:10 all 0.26 0.00 0.09 0.03 0.03 99.60 01:10:10 0 0.10 0.00 0.12 0.04 0.03 99.71 01:10:10 1 0.42 0.00 0.06 0.01 0.02 99.49 01:20:01 all 0.25 0.00 0.07 0.01 0.02 99.65 01:20:01 0 0.10 0.00 0.08 0.01 0.02 99.79 01:20:01 1 0.40 0.00 0.06 0.01 0.03 99.50 01:30:10 all 0.27 0.00 0.16 0.01 0.02 99.54 01:30:10 0 0.18 0.00 0.17 0.01 0.03 99.61 01:30:10 1 0.37 0.00 0.14 0.00 0.02 99.47 01:40:10 all 0.36 0.00 0.11 0.02 0.02 99.49 01:40:10 0 0.33 0.00 0.10 0.02 0.02 99.53 01:40:10 1 0.40 0.00 0.11 0.01 0.03 99.45 01:50:01 all 0.25 0.00 0.07 0.01 0.02 99.65 01:50:01 0 0.44 0.00 0.05 0.01 0.02 99.48 01:50:01 1 0.05 0.00 0.09 0.01 0.03 99.82 02:00:10 all 17.38 0.00 1.95 0.50 0.07 80.09 02:00:10 0 14.15 0.00 2.14 0.53 0.06 83.13 02:00:10 1 20.62 0.00 1.77 0.48 0.07 77.06 Average: all 2.75 0.00 0.38 0.08 0.03 96.76 Average: 0 2.22 0.00 0.41 0.09 0.03 97.25 Average: 1 3.29 0.00 0.34 0.08 0.03 96.26