---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21113 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: 5599.94 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 783 5009 4 2448 7158 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:36:d5:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81188sec preferred_lft 81188sec inet6 fe80::f816:3eff:fe36:d5cb/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-21113) 05/29/26 _x86_64_ (2 CPU) 06:58:46 LINUX RESTART (2 CPU) 07:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:02 13.98 0.03 1.43 12.53 1.39 17.13 109196.29 07:20:01 1.40 0.01 1.39 0.00 0.07 16.66 0.12 07:30:02 2.07 0.26 1.79 0.03 32.00 77.58 870.40 07:40:02 1.36 0.00 1.34 0.02 0.00 15.69 1.20 07:50:01 1.35 0.00 1.33 0.02 0.00 16.03 1.09 08:00:02 1.48 0.00 1.44 0.03 0.00 18.26 871.95 08:10:02 1.21 0.00 1.20 0.00 0.00 14.75 0.24 08:20:02 1.31 0.00 1.30 0.01 0.00 16.69 217.80 Average: 3.02 0.04 1.40 1.58 4.18 24.11 13895.03 07:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:02 6296652 7543404 276744 3.40 30536 1422100 528444 5.76 437880 1183128 268 07:20:01 6296652 7543944 276188 3.40 30736 1422432 530360 5.78 439928 1183660 212 07:30:02 6252772 7527264 292404 3.60 31108 1448872 530100 5.77 450748 1201396 240 07:40:02 6260360 7535384 284272 3.50 31304 1449200 530100 5.77 450872 1201920 240 07:50:01 6276512 7552052 267568 3.29 31508 1449532 530260 5.78 450832 1202428 240 08:00:02 6264212 7540448 279188 3.43 31708 1449988 530376 5.78 451172 1202984 240 08:10:02 6265072 7541820 277808 3.42 31892 1450308 530412 5.78 451040 1203488 244 08:20:02 6259276 7536536 283020 3.48 32064 1450640 530516 5.78 451464 1203992 192 Average: 6271438 7540106 279649 3.44 31357 1442884 530071 5.77 447992 1197874 234 07:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:02 ens3 1.33 0.10 0.21 0.06 0.00 0.00 0.00 0.00 07:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:01 ens3 0.78 0.11 0.18 0.08 0.00 0.00 0.00 0.00 07:30:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:30:02 ens3 1.49 0.49 6.16 0.85 0.00 0.00 0.00 0.00 07:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:02 ens3 0.37 0.03 0.39 0.01 0.00 0.00 0.00 0.00 07:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:50:01 ens3 0.22 0.03 0.04 0.01 0.00 0.00 0.00 0.00 08:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:00:02 ens3 0.35 0.09 0.10 0.05 0.00 0.00 0.00 0.00 08:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:10:02 ens3 0.43 0.12 0.14 0.09 0.00 0.00 0.00 0.00 08:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:20:02 ens3 0.40 0.10 0.13 0.07 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.67 0.13 0.92 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21113) 05/29/26 _x86_64_ (2 CPU) 06:58:46 LINUX RESTART (2 CPU) 07:00:02 CPU %user %nice %system %iowait %steal %idle 07:10:02 all 0.26 0.00 0.09 0.03 0.02 99.59 07:10:02 0 0.16 0.00 0.10 0.01 0.02 99.71 07:10:02 1 0.36 0.00 0.09 0.05 0.02 99.48 07:20:01 all 0.24 0.00 0.08 0.01 0.02 99.64 07:20:01 0 0.27 0.00 0.09 0.00 0.02 99.63 07:20:01 1 0.22 0.00 0.07 0.03 0.02 99.66 07:30:02 all 0.39 0.00 0.21 0.02 0.02 99.36 07:30:02 0 0.27 0.00 0.18 0.02 0.02 99.51 07:30:02 1 0.52 0.00 0.23 0.03 0.03 99.20 07:40:02 all 0.24 0.00 0.07 0.01 0.02 99.66 07:40:02 0 0.21 0.00 0.08 0.02 0.02 99.67 07:40:02 1 0.28 0.00 0.06 0.00 0.01 99.65 07:50:01 all 0.22 0.00 0.07 0.01 0.02 99.68 07:50:01 0 0.39 0.00 0.06 0.01 0.02 99.53 07:50:01 1 0.05 0.00 0.09 0.00 0.02 99.83 08:00:02 all 0.27 0.00 0.17 0.01 0.02 99.53 08:00:02 0 0.43 0.00 0.15 0.01 0.02 99.38 08:00:02 1 0.10 0.00 0.19 0.01 0.03 99.67 08:10:02 all 0.23 0.00 0.07 0.01 0.07 99.62 08:10:02 0 0.34 0.00 0.06 0.02 0.07 99.53 08:10:02 1 0.13 0.00 0.08 0.00 0.08 99.71 08:20:02 all 0.25 0.00 0.08 0.01 0.02 99.64 08:20:02 0 0.16 0.00 0.10 0.01 0.02 99.70 08:20:02 1 0.34 0.00 0.06 0.01 0.02 99.57 Average: all 0.26 0.00 0.10 0.01 0.03 99.59 Average: 0 0.28 0.00 0.10 0.01 0.03 99.58 Average: 1 0.25 0.00 0.11 0.02 0.03 99.60