---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11901 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: 5600.00 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 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 790 5150 4 2290 7151 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:9d:b8:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84325sec preferred_lft 84325sec inet6 fe80::f816:3eff:fe9d:b84f/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-11901) 05/08/26 _x86_64_ (2 CPU) 03:06:42 LINUX RESTART (2 CPU) 03:10:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:01 24.46 1.44 8.09 14.93 114.74 1489.27 111350.04 03:30:25 1.72 0.01 1.66 0.05 0.05 101.97 2.34 03:40:25 3.39 0.05 2.71 0.64 1.79 340.74 1973.44 Average: 9.56 0.48 4.07 5.02 37.38 626.08 36338.82 03:10:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:01 5268668 7402648 368960 4.54 84884 2213304 676740 7.37 598456 1973992 480 03:30:25 5232968 7392836 378260 4.65 85104 2238812 675064 7.35 604792 1999712 288 03:40:25 5359616 7402100 377536 4.64 86512 2127600 617460 6.73 594756 1889544 22456 Average: 5287084 7399195 374919 4.61 85500 2193239 656421 7.15 599335 1954416 7741 03:10:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:01 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 03:20:01 ens3 94.96 71.26 60.67 13.50 0.00 0.00 0.00 0.00 03:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:25 ens3 58.17 56.62 25.39 5.71 0.00 0.00 0.00 0.00 03:40:25 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:40:25 ens3 40.36 28.98 25.80 17.85 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 64.02 52.10 36.83 12.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11901) 05/08/26 _x86_64_ (2 CPU) 03:06:42 LINUX RESTART (2 CPU) 03:10:24 CPU %user %nice %system %iowait %steal %idle 03:20:01 all 9.44 0.00 1.47 0.45 0.07 88.57 03:20:01 0 9.43 0.00 1.46 0.41 0.06 88.64 03:20:01 1 9.46 0.00 1.49 0.48 0.07 88.50 03:30:25 all 6.15 0.00 0.85 0.04 0.08 92.87 03:30:25 0 5.67 0.00 0.74 0.05 0.08 93.46 03:30:25 1 6.64 0.00 0.96 0.04 0.08 92.28 03:40:25 all 7.30 0.00 0.80 0.12 0.08 91.69 03:40:25 0 5.38 0.00 0.66 0.14 0.08 93.74 03:40:25 1 9.23 0.00 0.95 0.10 0.09 89.63 Average: all 7.59 0.00 1.03 0.20 0.08 91.10 Average: 0 6.78 0.00 0.94 0.20 0.07 92.01 Average: 1 8.41 0.00 1.13 0.20 0.08 90.19