---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6569 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 762 5371 4 2093 7179 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:c2:09:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82237sec preferred_lft 82237sec inet6 fe80::f816:3eff:fec2:9be/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-6569) 03/21/26 _x86_64_ (2 CPU) 01:54:31 LINUX RESTART (2 CPU) 02:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 14.33 0.01 1.43 12.89 0.21 17.52 112199.18 02:20:01 1.27 0.00 1.27 0.00 0.01 15.61 0.00 02:30:00 2.04 0.32 1.69 0.04 39.08 74.80 873.25 02:40:00 1.29 0.00 1.27 0.02 0.00 15.92 1.20 02:50:01 1.29 0.00 1.27 0.02 0.00 16.01 1.20 03:00:00 15.80 1.80 12.62 1.38 118.65 2130.06 459.27 Average: 5.96 0.35 3.26 2.34 26.40 379.37 18508.83 02:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6288064 7535632 284968 3.50 30736 1422508 525020 5.72 453404 1183440 124 02:20:01 6288064 7536140 284492 3.50 30908 1422840 525088 5.72 453444 1183944 144 02:30:00 6238892 7515596 304304 3.74 31272 1450716 722244 7.87 470512 1201112 188 02:40:00 6246704 7523948 295940 3.64 31480 1451044 722396 7.87 470688 1201648 192 02:50:01 6246704 7524628 295252 3.63 31692 1451492 722460 7.87 470996 1202188 172 03:00:00 5521248 7363988 420628 5.17 70844 1947248 859288 9.36 633756 1720476 176 Average: 6138279 7499989 314264 3.86 37822 1524308 679416 7.40 492133 1282135 166 02:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.49 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.39 0.03 0.22 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.56 0.24 3.09 0.05 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.37 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:00 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 03:00:00 ens3 38.03 24.99 258.32 6.81 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 6.70 4.25 43.77 1.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6569) 03/21/26 _x86_64_ (2 CPU) 01:54:31 LINUX RESTART (2 CPU) 02:00:17 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.27 0.00 0.09 0.14 0.03 99.47 02:10:01 0 0.43 0.00 0.08 0.26 0.02 99.21 02:10:01 1 0.11 0.00 0.09 0.02 0.04 99.74 02:20:01 all 0.23 0.00 0.08 0.05 0.03 99.61 02:20:01 0 0.40 0.00 0.06 0.03 0.02 99.48 02:20:01 1 0.06 0.00 0.09 0.07 0.04 99.73 02:30:00 all 0.40 0.00 0.20 0.23 0.03 99.14 02:30:00 0 0.15 0.00 0.21 0.06 0.03 99.55 02:30:00 1 0.64 0.00 0.20 0.40 0.03 98.73 02:40:00 all 0.26 0.00 0.07 0.03 0.03 99.61 02:40:00 0 0.12 0.00 0.09 0.01 0.04 99.75 02:40:00 1 0.40 0.00 0.05 0.06 0.02 99.47 02:50:01 all 0.23 0.00 0.08 0.16 0.03 99.50 02:50:01 0 0.15 0.00 0.08 0.07 0.03 99.68 02:50:01 1 0.31 0.00 0.08 0.25 0.03 99.33 03:00:00 all 6.64 0.00 1.09 1.12 0.04 91.11 03:00:00 0 6.00 0.00 0.99 1.02 0.04 91.95 03:00:00 1 7.28 0.00 1.19 1.22 0.05 90.27 Average: all 1.34 0.00 0.27 0.29 0.03 98.07 Average: 0 1.21 0.00 0.25 0.24 0.03 98.27 Average: 1 1.47 0.00 0.28 0.34 0.04 97.87