---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7284 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 837 5056 4 2345 7104 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:c4:ac:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83788sec preferred_lft 83788sec inet6 fe80::f816:3eff:fec4:ac85/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7284) 04/24/26 _x86_64_ (2 CPU) 02:01:29 LINUX RESTART (2 CPU) 02:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:01 1.43 0.02 1.40 0.01 0.41 92.10 0.85 02:30:01 1.36 0.00 1.34 0.02 0.00 63.37 0.52 02:40:11 15.86 13.63 2.16 0.07 187.62 127.98 16.60 Average: 6.30 4.62 1.64 0.03 63.72 94.68 6.08 02:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 5303968 7408920 362904 4.46 84116 2185576 667876 7.27 593140 1954016 312 02:30:01 5262156 7381196 390556 4.80 84252 2199488 701860 7.64 618556 1968064 228 02:40:11 5150524 7363044 399116 4.91 87800 2280656 701968 7.65 631388 2040796 540 Average: 5238883 7384387 384192 4.72 85389 2221907 690568 7.52 614361 1987625 360 02:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 58.63 58.60 16.61 4.81 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 26.23 26.97 5.73 2.38 0.00 0.00 0.00 0.00 02:40:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 6.44 6.80 6.99 0.77 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 30.14 30.51 9.72 2.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7284) 04/24/26 _x86_64_ (2 CPU) 02:01:29 LINUX RESTART (2 CPU) 02:10:11 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 7.16 0.00 1.01 0.01 0.09 91.72 02:20:01 0 6.04 0.00 0.88 0.01 0.09 92.98 02:20:01 1 8.29 0.00 1.15 0.01 0.09 90.47 02:30:01 all 4.54 0.00 0.69 0.01 0.09 94.67 02:30:01 0 4.25 0.00 0.65 0.01 0.09 95.00 02:30:01 1 4.84 0.00 0.73 0.01 0.09 94.34 02:40:11 all 2.92 0.17 0.61 0.15 0.10 96.04 02:40:11 0 3.04 0.24 0.72 0.19 0.09 95.72 02:40:11 1 2.81 0.11 0.51 0.11 0.10 96.36 Average: all 4.85 0.06 0.77 0.06 0.09 94.17 Average: 0 4.42 0.08 0.75 0.07 0.09 94.58 Average: 1 5.27 0.04 0.79 0.04 0.09 93.76