---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29875 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: 5599.94 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 21% / 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 772 5187 4 2270 7169 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:aa:3d:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84247sec preferred_lft 84247sec inet6 fe80::f816:3eff:feaa:3d5c/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-29875) 03/25/26 _x86_64_ (2 CPU) 00:38:43 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:24 15.95 1.66 12.52 1.78 127.26 2377.88 516.07 01:00:14 1.90 0.01 1.86 0.03 0.54 73.76 1.11 01:10:24 15.22 0.32 1.66 13.25 38.89 147.24 105126.94 Average: 11.12 0.67 5.38 5.07 56.14 874.56 35582.13 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:24 5384260 7459948 312236 3.84 83980 2156260 569376 6.20 543940 1925796 2360 01:00:14 5317888 7405876 366028 4.50 84156 2168460 664376 7.24 596676 1938172 132 01:10:24 5249132 7388344 382840 4.71 84484 2219000 857352 9.34 617408 1977844 612 Average: 5317093 7418056 353701 4.35 84207 2181240 697035 7.59 586008 1947271 1035 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:24 lo 1.22 1.22 0.08 0.08 0.00 0.00 0.00 0.00 00:50:24 ens3 35.05 24.52 140.49 5.99 0.00 0.00 0.00 0.00 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 37.24 32.49 7.98 4.10 0.00 0.00 0.00 0.00 01:10:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 43.56 42.70 14.90 6.05 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 38.63 33.25 54.94 5.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29875) 03/25/26 _x86_64_ (2 CPU) 00:38:43 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:24 all 7.48 0.00 1.19 0.44 0.05 90.84 00:50:24 0 9.02 0.00 1.29 0.54 0.05 89.10 00:50:24 1 5.93 0.00 1.09 0.35 0.04 92.58 01:00:14 all 6.01 0.00 0.56 0.02 0.07 93.34 01:00:14 0 6.46 0.00 0.58 0.02 0.08 92.87 01:00:14 1 5.55 0.00 0.55 0.01 0.07 93.82 01:10:24 all 7.94 0.00 0.52 0.05 0.08 91.41 01:10:24 0 6.03 0.00 0.49 0.07 0.08 93.33 01:10:24 1 9.85 0.00 0.55 0.03 0.09 89.48 Average: all 7.15 0.00 0.76 0.17 0.07 91.85 Average: 0 7.18 0.00 0.79 0.21 0.07 91.75 Average: 1 7.13 0.00 0.73 0.13 0.07 91.94