---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4757 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 822 5119 4 2289 7119 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:3e:99:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84217sec preferred_lft 84217sec inet6 fe80::f816:3eff:fe3e:99df/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-4757) 04/20/26 _x86_64_ (2 CPU) 03:07:32 LINUX RESTART (2 CPU) 03:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:00 10.60 1.30 8.00 1.30 112.96 1198.13 549.86 03:30:00 1.62 0.01 1.56 0.06 0.05 127.65 2.57 03:40:00 1.36 0.00 1.30 0.07 0.00 44.25 2.91 Average: 4.51 0.43 3.61 0.47 37.48 454.74 184.16 03:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:00 5268940 7376520 395724 4.87 84188 2188152 729852 7.95 616248 1957544 2032 03:30:00 5217192 7356212 415432 5.11 84396 2219064 730676 7.96 617628 1988680 408 03:40:00 5209180 7357088 414408 5.10 84636 2227592 763844 8.32 617736 1997444 352 Average: 5231771 7363273 408521 5.02 84407 2211603 741457 8.08 617204 1981223 931 03:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:00 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:20:00 ens3 78.28 55.44 58.25 12.18 0.00 0.00 0.00 0.00 03:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:00 ens3 38.77 37.62 25.13 4.46 0.00 0.00 0.00 0.00 03:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:00 ens3 24.42 21.89 12.83 3.04 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 47.08 38.27 32.00 6.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4757) 04/20/26 _x86_64_ (2 CPU) 03:07:32 LINUX RESTART (2 CPU) 03:10:04 CPU %user %nice %system %iowait %steal %idle 03:20:00 all 9.61 0.00 1.14 0.31 0.08 88.86 03:20:00 0 10.62 0.00 1.22 0.33 0.08 87.75 03:20:00 1 8.60 0.00 1.06 0.29 0.08 89.97 03:30:00 all 6.30 0.00 0.92 0.03 0.12 92.64 03:30:00 0 4.94 0.00 0.84 0.02 0.11 94.09 03:30:00 1 7.67 0.00 0.99 0.05 0.12 91.18 03:40:00 all 4.88 0.00 0.50 0.02 0.11 94.48 03:40:00 0 4.61 0.00 0.46 0.01 0.11 94.81 03:40:00 1 5.16 0.00 0.55 0.03 0.11 94.15 Average: all 6.93 0.00 0.85 0.12 0.10 91.99 Average: 0 6.72 0.00 0.84 0.12 0.10 92.22 Average: 1 7.14 0.00 0.86 0.12 0.11 91.77