---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7301 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 820 5122 4 2287 7121 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:14:bf:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84117sec preferred_lft 84117sec inet6 fe80::f816:3eff:fe14:bfe0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7301) 04/24/26 _x86_64_ (2 CPU) 03:16:34 LINUX RESTART (2 CPU) 03:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:30:15 10.22 1.23 7.95 1.03 105.46 1132.60 600.71 03:40:17 1.37 0.01 1.36 0.01 0.05 132.65 0.28 03:50:16 1.29 0.00 1.29 0.00 0.00 50.15 0.01 Average: 4.29 0.41 3.53 0.35 35.12 438.03 200.05 03:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:15 5293124 7390556 381464 4.69 84064 2177876 708336 7.72 611432 1946596 1100 03:40:17 5257012 7389616 381936 4.70 84264 2212620 707324 7.70 611620 1981516 524 03:50:16 5244956 7388256 383212 4.71 84384 2223028 666512 7.26 611804 1992068 132 Average: 5265031 7389476 382204 4.70 84237 2204508 694057 7.56 611619 1973393 585 03:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:15 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:30:15 ens3 69.56 50.10 54.22 11.60 0.00 0.00 0.00 0.00 03:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:17 ens3 53.18 52.49 25.54 5.36 0.00 0.00 0.00 0.00 03:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:16 ens3 28.37 26.00 10.76 3.18 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 50.37 42.88 30.16 6.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7301) 04/24/26 _x86_64_ (2 CPU) 03:16:34 LINUX RESTART (2 CPU) 03:20:16 CPU %user %nice %system %iowait %steal %idle 03:30:15 all 8.15 0.00 1.18 0.56 0.07 90.04 03:30:15 0 6.67 0.00 1.15 0.73 0.06 91.38 03:30:15 1 9.62 0.00 1.22 0.39 0.08 88.69 03:40:17 all 6.83 0.00 0.92 0.03 0.09 92.13 03:40:17 0 5.98 0.00 0.97 0.04 0.09 92.91 03:40:17 1 7.67 0.00 0.88 0.02 0.09 91.34 03:50:16 all 4.93 0.00 0.43 0.01 0.09 94.55 03:50:16 0 5.33 0.00 0.45 0.01 0.08 94.13 03:50:16 1 4.53 0.00 0.41 0.01 0.09 94.96 Average: all 6.64 0.00 0.85 0.20 0.08 92.23 Average: 0 6.00 0.00 0.86 0.26 0.08 92.80 Average: 1 7.27 0.00 0.83 0.14 0.09 91.66