---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25525 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 8.0G 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 760 5111 4 2362 7181 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:47:bf:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83648sec preferred_lft 83648sec inet6 fe80::f816:3eff:fe47:bfbd/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-25525) 06/07/26 _x86_64_ (2 CPU) 00:17:49 LINUX RESTART (2 CPU) 00:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:15 13.83 0.03 1.50 12.30 1.36 18.21 107406.49 00:40:15 23.57 3.02 18.25 2.30 227.56 3472.87 497.49 00:50:03 1.44 0.00 1.43 0.02 0.00 59.85 1.13 01:00:13 2.05 0.25 1.77 0.03 31.50 153.89 0.98 Average: 10.25 0.82 5.72 3.71 64.97 922.78 27416.88 00:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:15 6297912 7544144 276468 3.40 30556 1421372 529460 5.77 451784 1183180 168 00:40:15 5242140 7415220 352536 4.33 85892 2247724 642004 6.99 584416 2019284 1612 00:50:03 5221524 7406092 361780 4.45 86048 2259128 666904 7.26 592372 2030860 288 01:00:13 5166592 7402208 365112 4.49 86348 2309476 660836 7.20 603860 2072440 1288 Average: 5482042 7441916 338974 4.17 72211 2059425 624801 6.81 558108 1826441 839 00:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:15 ens3 1.46 0.11 0.21 0.06 0.00 0.00 0.00 0.00 00:40:15 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:15 ens3 60.14 41.29 317.27 11.38 0.00 0.00 0.00 0.00 00:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 36.13 31.40 7.50 3.99 0.00 0.00 0.00 0.00 01:00:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 44.20 43.53 13.13 6.20 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 35.34 28.98 84.19 5.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25525) 06/07/26 _x86_64_ (2 CPU) 00:17:49 LINUX RESTART (2 CPU) 00:20:03 CPU %user %nice %system %iowait %steal %idle 00:30:15 all 0.30 0.00 0.18 0.03 0.02 99.46 00:30:15 0 0.09 0.00 0.19 0.05 0.02 99.64 00:30:15 1 0.52 0.00 0.16 0.02 0.02 99.29 00:40:15 all 12.06 0.00 1.71 0.67 0.05 85.52 00:40:15 0 13.27 0.00 1.81 0.32 0.05 84.56 00:40:15 1 10.85 0.00 1.60 1.02 0.05 86.49 00:50:03 all 5.57 0.00 0.46 0.01 0.06 93.90 00:50:03 0 5.01 0.00 0.43 0.01 0.06 94.49 00:50:03 1 6.13 0.00 0.48 0.01 0.06 93.32 01:00:13 all 8.25 0.00 0.64 0.02 0.06 91.01 01:00:13 0 10.25 0.00 0.63 0.02 0.06 89.04 01:00:13 1 6.25 0.00 0.66 0.03 0.06 92.99 Average: all 6.52 0.00 0.74 0.18 0.05 92.50 Average: 0 7.14 0.00 0.77 0.10 0.05 91.95 Average: 1 5.91 0.00 0.72 0.27 0.05 93.05