---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4429 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 753 5320 4 2155 7187 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:98:6d:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83934sec preferred_lft 83934sec inet6 fe80::f816:3eff:fe98:6d94/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4429) 04/19/26 _x86_64_ (2 CPU) 00:16:18 LINUX RESTART (2 CPU) 00:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.38 0.03 1.34 0.02 1.28 17.39 451.33 00:40:11 21.46 2.98 16.31 2.17 224.51 3059.20 555.59 00:50:21 1.32 0.00 1.31 0.02 0.00 22.73 1.00 Average: 8.17 1.02 6.40 0.75 76.54 1050.62 334.07 00:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6283012 7534604 285868 3.52 30788 1426664 528688 5.76 440632 1187320 240 00:40:11 5317544 7402408 369764 4.55 84116 2165388 639092 6.96 587672 1933816 640 00:50:21 5266616 7353396 418864 5.15 84264 2167244 669960 7.30 611136 1935820 232 Average: 5622391 7430136 358165 4.40 66389 1919765 612580 6.67 546480 1685652 371 00:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.77 0.08 0.11 0.04 0.00 0.00 0.00 0.00 00:40:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:11 ens3 53.63 35.72 293.15 10.35 0.00 0.00 0.00 0.00 00:50:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:21 ens3 12.69 9.76 71.13 1.08 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 22.73 15.44 123.54 3.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4429) 04/19/26 _x86_64_ (2 CPU) 00:16:18 LINUX RESTART (2 CPU) 00:20:21 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.27 0.00 0.17 0.01 0.03 99.52 00:30:01 0 0.38 0.00 0.17 0.02 0.02 99.41 00:30:01 1 0.15 0.00 0.17 0.01 0.04 99.63 00:40:11 all 10.80 0.00 1.60 0.48 0.06 87.07 00:40:11 0 11.45 0.00 1.71 0.54 0.05 86.25 00:40:11 1 10.15 0.00 1.50 0.42 0.06 87.88 00:50:21 all 0.79 0.00 0.19 0.01 0.07 98.95 00:50:21 0 0.67 0.00 0.15 0.01 0.07 99.10 00:50:21 1 0.91 0.00 0.22 0.00 0.08 98.79 Average: all 4.02 0.00 0.66 0.17 0.05 95.10 Average: 0 4.23 0.00 0.68 0.19 0.05 94.84 Average: 1 3.80 0.00 0.64 0.14 0.06 95.36