---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54120 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 7.9G 30G 21% / 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 758 5293 4 2178 7183 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:ae:71:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82032sec preferred_lft 82032sec inet6 fe80::f816:3eff:feae:717c/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-54120) 03/30/26 _x86_64_ (2 CPU) 00:42:04 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.42 0.01 1.39 0.02 0.05 17.10 654.00 01:10:02 1.23 0.00 1.21 0.02 0.00 14.32 1.20 01:20:01 1.23 0.00 1.21 0.02 0.01 14.30 1.20 01:30:01 1.44 0.00 1.41 0.03 0.00 17.62 872.65 01:40:02 1.73 0.31 1.38 0.03 38.97 70.82 1.40 01:50:01 21.94 3.02 16.71 2.21 227.86 3119.54 604.12 Average: 4.83 0.56 3.88 0.39 44.46 541.86 355.68 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6276592 7528440 291880 3.59 30732 1426700 531232 5.79 451092 1187392 124 01:10:02 6275920 7528324 291984 3.59 30948 1427032 531368 5.79 451192 1187940 176 01:20:01 6275920 7528864 291408 3.58 31152 1427364 532564 5.80 449976 1188476 268 01:30:01 6278436 7531932 288324 3.55 31368 1427692 532624 5.80 449884 1189020 164 01:40:02 6227124 7509392 310204 3.81 31736 1455712 738396 8.04 467388 1206216 292 01:50:01 5348812 7461128 310340 3.82 85164 2191204 772016 8.41 554096 1949560 2472 Average: 6113801 7514680 297357 3.66 40183 1559284 606367 6.60 470605 1318101 583 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.70 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.93 0.06 10.20 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 0.58 0.09 0.17 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.74 0.40 3.10 0.59 0.00 0.00 0.00 0.00 01:50:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 61.00 41.44 297.66 10.80 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.70 7.01 51.84 1.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54120) 03/30/26 _x86_64_ (2 CPU) 00:42:04 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.17 0.01 0.05 99.48 01:00:01 0 0.30 0.00 0.15 0.02 0.04 99.48 01:00:01 1 0.29 0.00 0.18 0.01 0.05 99.47 01:10:02 all 0.24 0.00 0.08 0.01 0.05 99.63 01:10:02 0 0.33 0.00 0.07 0.02 0.04 99.54 01:10:02 1 0.14 0.00 0.09 0.01 0.05 99.72 01:20:01 all 0.27 0.00 0.08 0.01 0.05 99.59 01:20:01 0 0.34 0.00 0.07 0.01 0.04 99.54 01:20:01 1 0.20 0.00 0.10 0.02 0.05 99.64 01:30:01 all 0.29 0.00 0.18 0.01 0.04 99.48 01:30:01 0 0.40 0.00 0.16 0.01 0.03 99.40 01:30:01 1 0.17 0.00 0.21 0.02 0.05 99.55 01:40:02 all 0.38 0.00 0.11 0.03 0.04 99.44 01:40:02 0 0.41 0.00 0.10 0.01 0.03 99.45 01:40:02 1 0.36 0.00 0.11 0.05 0.05 99.44 01:50:01 all 10.66 0.00 1.66 0.87 0.07 86.74 01:50:01 0 12.96 0.00 1.85 1.24 0.06 83.90 01:50:01 1 8.36 0.00 1.47 0.51 0.08 89.58 Average: all 2.02 0.00 0.38 0.16 0.05 97.40 Average: 0 2.45 0.00 0.40 0.22 0.04 96.89 Average: 1 1.58 0.00 0.36 0.10 0.05 97.90