---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1156 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 797 5129 4 2303 7144 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:cb:31:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83472sec preferred_lft 83472sec inet6 fe80::f816:3eff:fecb:3116/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1156) 04/08/26 _x86_64_ (2 CPU) 02:57:08 LINUX RESTART (2 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:31 8.70 1.17 6.59 0.94 100.60 1063.58 482.23 03:20:11 1.37 0.01 1.36 0.01 0.07 109.10 0.44 03:30:01 1.44 0.01 1.42 0.02 0.20 66.51 0.76 03:40:01 1.86 0.31 1.53 0.01 38.99 85.50 0.29 Average: 3.43 0.39 2.79 0.26 36.22 343.20 126.91 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:31 5270924 7367192 405092 4.98 84056 2176856 722000 7.86 635012 1944844 2016 03:20:11 5219644 7342928 429128 5.28 84224 2203568 746404 8.13 659116 1971752 1604 03:30:01 5194508 7331428 440336 5.41 84380 2216848 722536 7.87 660264 1985204 268 03:40:01 5143668 7312984 458024 5.63 84668 2248568 920632 10.03 677252 2006148 300 Average: 5207186 7338633 433145 5.33 84332 2211460 777893 8.47 657911 1976987 1047 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:31 lo 1.11 1.11 0.07 0.07 0.00 0.00 0.00 0.00 03:10:31 ens3 78.90 66.40 53.76 12.42 0.00 0.00 0.00 0.00 03:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:11 ens3 14.59 14.42 21.63 1.17 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 12.79 12.62 7.04 1.13 0.00 0.00 0.00 0.00 03:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 24.90 24.82 7.85 1.74 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 33.60 30.22 23.03 4.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1156) 04/08/26 _x86_64_ (2 CPU) 02:57:08 LINUX RESTART (2 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:31 all 7.00 0.00 1.18 0.14 0.06 91.63 03:10:31 0 7.30 0.00 1.19 0.17 0.06 91.28 03:10:31 1 6.69 0.00 1.17 0.11 0.06 91.97 03:20:11 all 4.06 0.00 0.59 0.01 0.06 95.27 03:20:11 0 3.04 0.00 0.54 0.01 0.06 96.35 03:20:11 1 5.08 0.00 0.65 0.01 0.07 94.20 03:30:01 all 3.30 0.00 0.53 0.01 0.07 96.09 03:30:01 0 3.75 0.00 0.59 0.01 0.07 95.58 03:30:01 1 2.85 0.00 0.48 0.01 0.07 96.59 03:40:01 all 1.70 0.00 0.36 0.02 0.07 97.86 03:40:01 0 1.34 0.00 0.26 0.02 0.07 98.32 03:40:01 1 2.06 0.00 0.45 0.02 0.07 97.40 Average: all 4.05 0.00 0.67 0.05 0.06 95.16 Average: 0 3.91 0.00 0.65 0.05 0.06 95.32 Average: 1 4.20 0.00 0.70 0.04 0.06 95.00