---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8114 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 7.9G 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 768 5281 4 2181 7173 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:c2:cc:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83921sec preferred_lft 83921sec inet6 fe80::f816:3eff:fec2:cc54/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8114) 04/26/26 _x86_64_ (2 CPU) 00:16:08 LINUX RESTART (2 CPU) 00:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 2.14 0.34 1.75 0.04 40.62 77.45 880.21 00:40:01 21.93 3.03 16.68 2.21 229.21 3164.02 542.12 00:50:03 1.25 0.00 1.25 0.00 0.00 20.65 0.03 Average: 8.45 1.13 6.57 0.75 90.02 1089.55 472.43 00:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6237892 7513344 306464 3.77 30792 1449940 735900 8.02 465176 1200420 168 00:40:01 5304492 7416072 355468 4.37 84368 2191176 623484 6.79 593468 1949364 776 00:50:03 5235696 7349132 422512 5.20 84484 2193024 654508 7.13 615840 1951328 420 Average: 5592693 7426183 361481 4.44 66548 1944713 671297 7.31 558161 1700371 455 00:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.43 0.23 3.21 0.05 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 71.42 46.08 300.67 12.15 0.00 0.00 0.00 0.00 00:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 10.52 9.35 71.69 0.93 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 27.86 18.60 125.52 4.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8114) 04/26/26 _x86_64_ (2 CPU) 00:16:08 LINUX RESTART (2 CPU) 00:20:06 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.42 0.00 0.20 0.02 0.02 99.34 00:30:01 0 0.55 0.00 0.16 0.01 0.02 99.26 00:30:01 1 0.29 0.00 0.25 0.03 0.03 99.41 00:40:01 all 11.08 0.00 1.67 0.46 0.04 86.74 00:40:01 0 9.59 0.00 1.33 0.34 0.04 88.70 00:40:01 1 12.58 0.00 2.02 0.59 0.05 84.77 00:50:03 all 0.84 0.00 0.19 0.01 0.04 98.92 00:50:03 0 0.72 0.00 0.18 0.01 0.04 99.05 00:50:03 1 0.96 0.00 0.21 0.01 0.04 98.79 Average: all 4.12 0.00 0.69 0.16 0.04 94.99 Average: 0 3.63 0.00 0.55 0.12 0.03 95.66 Average: 1 4.62 0.00 0.82 0.21 0.04 94.31