---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4539 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 8.0G 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 797 5113 4 2327 7144 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:14:da:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79295sec preferred_lft 79295sec inet6 fe80::f816:3eff:fe14:da4a/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-4539) 04/19/26 _x86_64_ (2 CPU) 02:04:11 LINUX RESTART (2 CPU) 02:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:00 1.38 0.01 1.37 0.00 0.07 15.79 0.12 02:30:00 2.11 0.32 1.76 0.03 39.01 76.15 871.61 02:40:00 1.37 0.01 1.36 0.01 1.05 15.85 0.65 02:50:00 1.38 0.00 1.36 0.02 0.00 15.80 1.20 03:00:00 1.65 0.00 1.61 0.04 0.00 19.68 1089.78 03:10:00 14.06 0.00 1.50 12.56 0.15 17.05 109135.39 03:20:00 1.90 0.40 1.50 0.00 15.80 48.41 0.00 03:30:00 21.85 2.63 17.01 2.22 212.33 3137.30 516.35 03:40:00 1.37 0.00 1.36 0.00 0.00 41.28 0.04 03:50:00 1.39 0.00 1.38 0.00 0.35 42.88 0.01 04:00:00 1.81 0.00 1.79 0.02 0.00 72.11 0.27 Average: 4.57 0.31 2.91 1.35 24.44 318.50 10147.03 02:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:00 6298836 7545856 274676 3.38 30624 1422088 530204 5.77 440484 1183260 120 02:30:00 6239224 7515168 304696 3.75 30992 1450244 729560 7.95 457476 1200720 120 02:40:00 6257804 7534584 285400 3.51 31176 1450884 530348 5.78 452160 1201232 148 02:50:00 6257556 7534876 285096 3.51 31376 1451216 530348 5.78 452316 1201756 144 03:00:00 6251000 7529016 290884 3.58 31604 1451656 530416 5.78 452732 1202316 124 03:10:00 6251000 7529604 290300 3.57 31800 1452040 530416 5.78 452900 1202856 124 03:20:00 6208844 7511780 307724 3.78 32104 1475732 591488 6.44 502684 1225332 9228 03:30:00 5263964 7380272 391468 4.81 85404 2194944 666472 7.26 622080 1953804 160 03:40:00 5260276 7384232 387536 4.77 85556 2202468 675244 7.35 622796 1961460 312 03:50:00 5258364 7390636 381088 4.69 85704 2210636 676384 7.37 624688 1969672 404 04:00:00 5221512 7369552 401868 4.94 85896 2226168 743528 8.10 634256 1985284 1116 Average: 5888035 7475052 327340 4.03 51112 1726189 612219 6.67 519507 1480699 1091 02:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.75 0.05 0.08 0.02 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 0.87 0.23 3.12 0.03 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 1.03 0.09 0.16 0.05 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.35 0.04 0.06 0.01 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.43 0.07 0.11 0.05 0.00 0.00 0.00 0.00 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 0.26 0.03 0.05 0.01 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 13.93 6.61 39.03 3.15 0.00 0.00 0.00 0.00 03:30:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:30:00 ens3 53.22 38.71 261.41 8.77 0.00 0.00 0.00 0.00 03:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:00 ens3 24.46 21.30 4.50 2.58 0.00 0.00 0.00 0.00 03:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:00 ens3 22.80 21.50 4.49 3.11 0.00 0.00 0.00 0.00 04:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:00 ens3 28.92 28.01 5.53 3.89 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 13.37 10.61 28.96 1.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4539) 04/19/26 _x86_64_ (2 CPU) 02:04:11 LINUX RESTART (2 CPU) 02:10:00 CPU %user %nice %system %iowait %steal %idle 02:20:00 all 0.28 0.00 0.10 0.19 0.02 99.41 02:20:00 0 0.36 0.00 0.10 0.38 0.02 99.14 02:20:00 1 0.19 0.00 0.10 0.01 0.03 99.68 02:30:00 all 0.43 0.00 0.24 0.04 0.02 99.27 02:30:00 0 0.28 0.00 0.21 0.04 0.02 99.46 02:30:00 1 0.59 0.00 0.28 0.03 0.02 99.08 02:40:00 all 0.28 0.00 0.09 0.09 0.02 99.52 02:40:00 0 0.38 0.00 0.07 0.09 0.01 99.45 02:40:00 1 0.17 0.00 0.11 0.10 0.02 99.60 02:50:00 all 0.26 0.00 0.08 0.02 0.02 99.62 02:50:00 0 0.45 0.00 0.05 0.00 0.01 99.48 02:50:00 1 0.07 0.00 0.11 0.03 0.02 99.76 03:00:00 all 0.30 0.00 0.18 0.03 0.02 99.47 03:00:00 0 0.40 0.00 0.17 0.04 0.01 99.38 03:00:00 1 0.21 0.00 0.19 0.02 0.02 99.57 03:10:00 all 0.26 0.00 0.11 0.03 0.02 99.57 03:10:00 0 0.31 0.00 0.11 0.07 0.02 99.50 03:10:00 1 0.21 0.00 0.11 0.00 0.02 99.65 03:20:00 all 0.57 0.00 0.13 0.01 0.02 99.27 03:20:00 0 0.81 0.00 0.12 0.01 0.02 99.05 03:20:00 1 0.33 0.00 0.14 0.02 0.03 99.48 03:30:00 all 12.90 0.00 1.90 0.78 0.07 84.36 03:30:00 0 12.18 0.00 1.84 0.70 0.07 85.22 03:30:00 1 13.62 0.00 1.95 0.86 0.06 83.50 03:40:00 all 3.72 0.00 0.34 0.01 0.06 95.87 03:40:00 0 4.96 0.00 0.42 0.01 0.06 94.54 03:40:00 1 2.49 0.00 0.26 0.02 0.05 97.18 03:50:00 all 3.92 0.00 0.42 0.03 0.07 95.57 03:50:00 0 3.17 0.00 0.38 0.01 0.06 96.38 03:50:00 1 4.68 0.00 0.45 0.04 0.07 94.75 04:00:00 all 5.09 0.00 0.50 0.01 0.06 94.34 04:00:00 0 2.80 0.00 0.42 0.01 0.05 96.72 04:00:00 1 7.38 0.00 0.59 0.01 0.07 91.95 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.54 0.00 0.37 0.11 0.03 96.94 Average: 0 2.36 0.00 0.35 0.12 0.03 97.13 Average: 1 2.71 0.00 0.39 0.10 0.04 96.75