---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64932 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 8.1G 30G 22% / 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 767 5058 4 2407 7174 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:5b:ba:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82769sec preferred_lft 82769sec inet6 fe80::f816:3eff:fe5b:bac8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64932) 04/01/26 _x86_64_ (2 CPU) 00:40:13 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.49 0.01 1.46 0.02 0.05 19.04 0.93 01:10:02 1.19 0.00 1.19 0.00 0.00 84.28 0.03 01:20:02 1.45 0.00 1.44 0.01 0.01 256.88 0.12 01:30:03 1.46 0.00 1.43 0.02 0.00 61.94 0.36 01:40:03 18.83 0.40 3.97 14.45 46.34 619.55 109277.84 Average: 4.88 0.08 1.90 2.90 9.27 208.23 21839.69 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 5168184 7249844 522520 6.43 84160 2162048 755484 8.23 704400 1931388 200 01:10:02 5111784 7214856 557488 6.86 84304 2183324 841924 9.17 774680 1952800 276 01:20:02 4986508 7170788 600548 7.38 84508 2263432 894768 9.75 827152 2033112 8032 01:30:03 4888124 7078232 693008 8.52 84648 2269028 945116 10.29 877948 2038856 200 01:40:03 5244248 7406076 373208 4.59 86812 2245884 622916 6.78 610928 2004680 24952 Average: 5079770 7223959 549354 6.76 84886 2224743 812042 8.84 759022 1992167 6732 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 15.35 14.56 455.67 1.00 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 39.73 38.14 1202.39 2.58 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 14.07 13.06 391.36 0.95 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 11.54 11.15 339.97 0.79 0.00 0.00 0.00 0.00 01:40:03 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 01:40:03 ens3 24.49 18.69 285.72 17.14 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 21.03 19.12 534.97 4.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64932) 04/01/26 _x86_64_ (2 CPU) 00:40:13 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.62 0.00 0.33 0.03 0.06 98.96 01:00:02 0 0.56 0.00 0.31 0.01 0.06 99.07 01:00:02 1 0.68 0.00 0.36 0.05 0.07 98.85 01:10:02 all 1.08 0.00 0.48 0.01 0.07 98.37 01:10:02 0 1.17 0.00 0.46 0.01 0.07 98.30 01:10:02 1 0.99 0.00 0.50 0.01 0.06 98.44 01:20:02 all 0.77 0.00 0.18 0.01 0.07 98.97 01:20:02 0 0.75 0.00 0.16 0.02 0.06 99.01 01:20:02 1 0.79 0.00 0.20 0.01 0.07 98.93 01:30:03 all 0.63 0.00 0.30 0.01 0.06 99.00 01:30:03 0 0.75 0.00 0.30 0.01 0.06 98.88 01:30:03 1 0.50 0.00 0.30 0.01 0.07 99.12 01:40:03 all 3.70 0.00 0.58 0.11 0.06 95.54 01:40:03 0 2.96 0.00 0.52 0.06 0.04 96.41 01:40:03 1 4.44 0.00 0.64 0.16 0.08 94.67 Average: all 1.36 0.00 0.37 0.03 0.06 98.17 Average: 0 1.24 0.00 0.35 0.02 0.06 98.33 Average: 1 1.48 0.00 0.40 0.05 0.07 98.00