---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35028 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 8.3G 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 742 4861 4 2633 7199 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:90:27:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82713sec preferred_lft 82713sec inet6 fe80::f816:3eff:fe90:2709/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35028) 07/12/26 _x86_64_ (2 CPU) 01:45:57 LINUX RESTART (2 CPU) 01:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 7.51 1.19 5.70 0.63 102.90 915.70 334.08 02:10:01 1.16 0.01 1.14 0.02 0.05 14.68 1.11 02:20:03 2.10 0.26 1.80 0.04 31.91 265.30 4.08 02:30:24 1.67 0.00 1.64 0.04 0.00 378.64 3.40 02:40:01 1.28 0.00 1.28 0.00 0.00 15.94 0.00 Average: 2.76 0.29 2.32 0.15 27.22 322.99 69.22 01:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 5099940 7275952 491728 6.05 86004 2250632 727784 7.93 673872 2021720 192 02:10:01 4657960 6834660 932756 11.47 86188 2251164 907792 9.89 837136 2022408 276 02:20:03 4933692 7215808 550576 6.77 86536 2355232 832256 9.06 771660 2117768 20940 02:30:24 4724372 7099244 665608 8.18 86744 2446468 931160 10.14 870652 2209220 176 02:40:01 4686308 7061832 703012 8.64 86860 2447000 978908 10.66 918500 2209752 176 Average: 4820454 7097499 668736 8.22 86466 2350099 875580 9.54 814364 2116174 4352 01:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 57.83 47.60 567.42 6.37 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 78.99 75.94 1294.51 4.98 0.00 0.00 0.00 0.00 02:20:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 36.97 34.84 582.62 2.30 0.00 0.00 0.00 0.00 02:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:24 ens3 35.63 34.02 576.83 2.25 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 5.82 5.24 83.06 0.40 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 43.14 39.60 621.58 3.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35028) 07/12/26 _x86_64_ (2 CPU) 01:45:57 LINUX RESTART (2 CPU) 01:50:10 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 3.31 0.00 0.80 0.13 0.07 95.70 02:00:14 0 4.22 0.00 0.94 0.17 0.07 94.60 02:00:14 1 2.40 0.00 0.66 0.08 0.06 96.79 02:10:01 all 1.04 0.00 0.54 0.01 0.07 98.34 02:10:01 0 1.06 0.00 0.54 0.01 0.09 98.30 02:10:01 1 1.02 0.00 0.55 0.01 0.05 98.37 02:20:03 all 0.92 0.00 0.35 0.02 0.07 98.63 02:20:03 0 0.95 0.00 0.21 0.03 0.06 98.75 02:20:03 1 0.89 0.00 0.50 0.02 0.09 98.50 02:30:24 all 0.87 0.00 0.34 0.02 0.07 98.71 02:30:24 0 0.74 0.00 0.32 0.02 0.07 98.85 02:30:24 1 0.99 0.00 0.36 0.01 0.06 98.57 02:40:01 all 0.43 0.00 0.16 0.01 0.06 99.34 02:40:01 0 0.38 0.00 0.14 0.00 0.06 99.41 02:40:01 1 0.48 0.00 0.18 0.01 0.07 99.26 Average: all 1.32 0.00 0.44 0.04 0.07 98.13 Average: 0 1.48 0.00 0.43 0.04 0.07 97.97 Average: 1 1.16 0.00 0.45 0.03 0.07 98.29