---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27978 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 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 772 5111 4 2358 7169 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:3a:96:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8570sec preferred_lft 8570sec inet6 fe80::f816:3eff:fe3a:963b/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-27978) 06/18/26 _x86_64_ (2 CPU) 00:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:17 1.77 0.01 1.75 0.01 0.80 20.96 0.18 00:20:16 2.00 0.11 1.86 0.03 3.06 24.99 509.33 00:30:15 1.73 0.00 1.71 0.02 0.00 19.03 0.35 00:40:09 25.16 3.01 19.87 2.28 227.59 3408.98 894.81 Average: 7.60 0.77 6.25 0.58 57.23 859.02 348.45 00:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:17 6116124 7517308 291468 3.58 54280 1542968 542440 5.91 476496 1313368 384 00:20:16 6124156 7487216 321472 3.95 54408 1504680 539604 5.88 474880 1274972 180 00:30:15 6131840 7495348 313312 3.85 54516 1504996 539668 5.88 474904 1275412 268 00:40:09 5149772 7427788 328860 4.04 105292 2324192 567548 6.18 565864 2100136 9312 Average: 5880473 7481915 313778 3.86 67124 1719209 547315 5.96 498036 1490972 2536 00:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:17 ens3 0.33 0.06 0.09 0.04 0.00 0.00 0.00 0.00 00:20:16 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:16 ens3 0.17 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:15 ens3 0.55 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:09 ens3 65.76 45.33 318.01 11.98 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.52 11.27 78.69 3.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27978) 06/18/26 _x86_64_ (2 CPU) 00:00:09 CPU %user %nice %system %iowait %steal %idle 00:10:17 all 0.23 0.00 0.10 0.01 0.04 99.62 00:10:17 0 0.41 0.00 0.07 0.02 0.02 99.48 00:10:17 1 0.05 0.00 0.13 0.00 0.05 99.77 00:20:16 all 0.65 0.00 0.20 0.01 0.04 99.10 00:20:16 0 0.85 0.00 0.17 0.01 0.03 98.94 00:20:16 1 0.46 0.00 0.22 0.02 0.05 99.26 00:30:15 all 0.23 0.00 0.16 0.01 0.04 99.56 00:30:15 0 0.41 0.00 0.13 0.01 0.02 99.42 00:30:15 1 0.06 0.00 0.18 0.01 0.05 99.71 00:40:09 all 11.56 0.00 1.63 0.53 0.05 86.23 00:40:09 0 11.68 0.00 1.49 0.42 0.04 86.37 00:40:09 1 11.44 0.00 1.77 0.63 0.07 86.09 Average: all 3.14 0.00 0.52 0.14 0.04 96.17 Average: 0 3.30 0.00 0.46 0.11 0.03 96.09 Average: 1 2.97 0.00 0.57 0.16 0.05 96.25