---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4524 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 7.8G 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 740 5345 4 2144 7201 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:61:86:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84130sec preferred_lft 84130sec inet6 fe80::f816:3eff:fe61:8640/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4524) 04/19/26 _x86_64_ (2 CPU) 02:03:08 LINUX RESTART (2 CPU) 02:10:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:01 1.40 0.01 1.38 0.01 0.07 16.70 1.00 02:30:01 1.38 0.00 1.36 0.01 0.00 17.34 0.23 02:40:18 4.03 0.08 3.08 0.87 5.95 131.52 2396.25 Average: 2.30 0.03 1.96 0.31 2.07 56.45 825.47 02:10:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 5334360 7413576 358456 4.41 84140 2159576 641344 6.99 582936 1929304 240 02:30:01 5323960 7403656 368288 4.53 84260 2159936 642512 7.00 582996 1929784 160 02:40:18 5515932 7411692 369332 4.54 86216 1982316 608500 6.63 576520 1752464 23776 Average: 5391417 7409641 365359 4.49 84872 2100609 630785 6.87 580817 1870517 8059 02:10:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.77 0.15 0.09 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.83 0.23 0.11 0.03 0.00 0.00 0.00 0.00 02:40:18 lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 02:40:18 ens3 6.99 4.93 13.54 2.61 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.93 1.82 4.73 0.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4524) 04/19/26 _x86_64_ (2 CPU) 02:03:08 LINUX RESTART (2 CPU) 02:10:27 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 0.38 0.00 0.13 0.01 0.06 99.42 02:20:01 0 0.30 0.00 0.17 0.01 0.08 99.43 02:20:01 1 0.45 0.00 0.09 0.01 0.03 99.42 02:30:01 all 0.38 0.00 0.20 0.08 0.06 99.28 02:30:01 0 0.25 0.00 0.23 0.11 0.08 99.33 02:30:01 1 0.50 0.00 0.18 0.04 0.05 99.24 02:40:18 all 2.48 0.00 0.37 0.18 0.06 96.92 02:40:18 0 2.79 0.00 0.38 0.22 0.06 96.56 02:40:18 1 2.16 0.00 0.36 0.14 0.06 97.28 Average: all 1.10 0.00 0.24 0.09 0.06 98.51 Average: 0 1.14 0.00 0.26 0.12 0.07 98.41 Average: 1 1.06 0.00 0.21 0.06 0.05 98.62