---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35884 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: 5600.00 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 795 4923 4 2532 7146 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:43:56:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82100sec preferred_lft 82100sec inet6 fe80::f816:3eff:fe43:56c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35884) 07/15/26 _x86_64_ (2 CPU) 01:48:41 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:11 1.81 0.02 1.77 0.01 1.22 21.90 429.05 02:10:11 1.41 0.01 1.39 0.01 0.05 16.57 0.84 02:20:01 14.75 0.26 1.72 12.77 31.64 77.54 110959.17 02:30:11 15.61 13.33 2.21 0.07 149.78 46.21 222.13 02:40:11 1.36 0.00 1.36 0.00 0.00 15.91 0.00 02:50:01 1.38 0.00 1.38 0.00 0.00 15.95 0.00 03:00:11 29.95 2.87 23.45 3.63 226.76 3700.13 1239.87 Average: 9.51 2.39 4.80 2.33 59.12 563.06 15835.22 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:11 6305452 7552332 267992 3.30 30556 1421980 520192 5.67 443384 1183296 184 02:10:11 6315028 7562460 257900 3.17 30768 1422316 520328 5.67 443448 1183844 196 02:20:01 6241216 7515908 303868 3.74 31132 1448848 719956 7.84 457848 1201948 124 02:30:11 6209944 7542148 268520 3.30 35328 1493792 520484 5.67 453280 1250160 192 02:40:11 6207480 7540300 270368 3.32 35484 1494236 521008 5.67 456468 1250640 172 02:50:01 6205968 7539292 271372 3.34 35652 1494564 521072 5.68 456740 1251136 160 03:00:11 5071584 7348024 408828 5.03 94432 2332924 655792 7.14 641060 2101204 31624 Average: 6079525 7514352 292693 3.60 41907 1586951 568405 6.19 478890 1346033 4665 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 1.62 0.08 0.31 0.03 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 0.37 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.52 0.21 3.27 0.03 0.00 0.00 0.00 0.00 02:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:11 ens3 0.16 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 0.53 0.13 0.21 0.11 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.30 0.07 0.09 0.05 0.00 0.00 0.00 0.00 03:00:11 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 03:00:11 ens3 113.52 76.38 330.60 20.12 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 16.93 11.13 48.40 2.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35884) 07/15/26 _x86_64_ (2 CPU) 01:48:41 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:11 all 0.26 0.00 0.16 0.02 0.04 99.51 02:00:11 0 0.40 0.00 0.14 0.01 0.03 99.41 02:00:11 1 0.12 0.00 0.19 0.03 0.04 99.62 02:10:11 all 0.26 0.00 0.08 0.01 0.04 99.62 02:10:11 0 0.38 0.00 0.07 0.01 0.04 99.51 02:10:11 1 0.14 0.00 0.09 0.01 0.04 99.73 02:20:01 all 0.37 0.00 0.11 0.06 0.04 99.42 02:20:01 0 0.31 0.00 0.14 0.09 0.04 99.42 02:20:01 1 0.43 0.00 0.07 0.03 0.03 99.43 02:30:11 all 0.29 0.17 0.22 0.13 0.03 99.16 02:30:11 0 0.13 0.25 0.25 0.17 0.04 99.17 02:30:11 1 0.44 0.09 0.19 0.10 0.03 99.15 02:40:11 all 0.29 0.00 0.07 0.03 0.04 99.57 02:40:11 0 0.31 0.00 0.05 0.04 0.04 99.57 02:40:11 1 0.27 0.00 0.08 0.03 0.04 99.58 02:50:01 all 0.26 0.00 0.07 0.03 0.03 99.60 02:50:01 0 0.07 0.00 0.09 0.01 0.04 99.79 02:50:01 1 0.46 0.00 0.06 0.05 0.03 99.41 03:00:11 all 16.46 0.00 2.29 0.95 0.06 80.24 03:00:11 0 23.30 0.00 2.67 1.08 0.07 72.88 03:00:11 1 9.62 0.00 1.91 0.81 0.06 87.60 Average: all 2.62 0.02 0.43 0.18 0.04 96.70 Average: 0 3.59 0.04 0.49 0.20 0.04 95.63 Average: 1 1.65 0.01 0.37 0.15 0.04 97.77