---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1021 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 742 5315 4 2172 7199 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:c7:3e:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84116sec preferred_lft 84116sec inet6 fe80::f816:3eff:fec7:3ea6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1021) 04/07/26 _x86_64_ (2 CPU) 15:55:54 LINUX RESTART (2 CPU) 16:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:10 8.19 1.36 6.14 0.69 108.08 967.41 296.71 16:20:01 1.81 0.33 1.47 0.02 39.72 73.11 0.33 16:30:10 1.59 0.02 1.54 0.02 1.63 19.31 1.17 Average: 3.89 0.57 3.07 0.25 49.93 356.38 100.49 16:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:10 5349384 7427748 344436 4.24 84716 2158168 633764 6.90 573552 1928156 132 16:20:01 5274080 7380832 390720 4.80 84996 2186180 832156 9.06 590764 1945380 280 16:30:10 5295252 7403068 368620 4.53 85176 2187028 634208 6.91 585444 1945980 164 Average: 5306239 7403883 367925 4.52 84963 2177125 700043 7.62 583253 1939839 192 16:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:10 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 16:10:10 ens3 21.31 15.22 35.03 3.88 0.00 0.00 0.00 0.00 16:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 16:20:01 ens3 0.97 0.39 5.03 0.06 0.00 0.00 0.00 0.00 16:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:30:10 ens3 0.48 0.17 0.08 0.03 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.66 5.31 13.47 1.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1021) 04/07/26 _x86_64_ (2 CPU) 15:55:54 LINUX RESTART (2 CPU) 16:00:00 CPU %user %nice %system %iowait %steal %idle 16:10:10 all 3.35 0.00 0.64 0.16 0.04 95.80 16:10:10 0 2.25 0.00 0.55 0.07 0.04 97.09 16:10:10 1 4.46 0.00 0.74 0.25 0.04 94.51 16:20:01 all 0.48 0.00 0.17 0.02 0.04 99.29 16:20:01 0 0.54 0.00 0.20 0.02 0.04 99.21 16:20:01 1 0.42 0.00 0.14 0.02 0.05 99.37 16:30:10 all 0.42 0.00 0.22 0.01 0.04 99.31 16:30:10 0 0.40 0.00 0.21 0.01 0.04 99.34 16:30:10 1 0.44 0.00 0.23 0.01 0.04 99.28 Average: all 1.43 0.00 0.34 0.06 0.04 98.12 Average: 0 1.07 0.00 0.32 0.03 0.04 98.54 Average: 1 1.79 0.00 0.37 0.09 0.04 97.70