---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27917 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 8.2G 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 4876 4 2584 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:18:74:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78466sec preferred_lft 78466sec inet6 fe80::f816:3eff:fe18:7445/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27917) 06/17/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.54 0.01 1.52 0.01 0.05 18.61 650.13 01:10:05 1.32 0.00 1.31 0.02 0.00 15.57 1.20 01:20:01 1.34 0.00 1.32 0.02 0.01 15.55 1.10 01:30:05 1.57 0.00 1.54 0.03 0.00 19.07 868.23 01:40:05 1.90 0.25 1.62 0.03 30.97 75.61 1.49 01:50:01 1.42 0.01 1.40 0.01 1.06 16.59 0.66 02:00:05 38.83 16.42 20.07 2.34 375.20 3436.19 1131.22 02:10:05 14.81 0.00 1.29 13.51 0.15 16.28 106520.55 02:20:01 1.36 0.00 1.36 0.00 0.00 17.88 0.03 02:30:05 1.70 0.00 1.66 0.03 0.00 285.99 1.50 02:40:05 1.28 0.00 1.28 0.01 0.00 138.95 0.92 02:50:01 1.29 0.00 1.29 0.00 0.00 16.70 0.00 Average: 5.72 1.40 2.98 1.34 34.15 341.36 9099.02 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6300060 7551268 269088 3.31 30728 1426096 533620 5.81 440532 1187676 184 01:10:05 6299836 7551584 268764 3.30 30936 1426428 533620 5.81 440580 1188212 184 01:20:01 6299836 7552128 268216 3.30 31136 1426756 533776 5.81 441152 1188744 240 01:30:05 6294712 7547576 272756 3.35 31368 1427084 533856 5.81 441756 1189304 196 01:40:05 6248108 7528008 291852 3.59 31760 1453364 730144 7.95 456728 1207084 192 01:50:01 6261920 7542644 277236 3.41 31940 1454000 533864 5.81 451300 1207588 240 02:00:05 4890692 7146604 611712 7.52 90228 2317696 858820 9.35 814224 2083544 228 02:10:05 4925640 7182132 576080 7.08 90360 2318148 812548 8.85 766856 2084100 192 02:20:01 4978424 7241372 516668 6.35 90512 2324448 867680 9.45 755948 2090548 5896 02:30:05 4823736 7162504 594816 7.31 90692 2399316 874232 9.52 813100 2165472 220 02:40:05 4673388 7050156 706516 8.69 90864 2436628 965672 10.52 904364 2202956 248 02:50:01 4723264 7100628 656036 8.07 91004 2437076 910172 9.91 848456 2203544 240 Average: 5559968 7346384 442478 5.44 60961 1903920 724000 7.89 631250 1666564 688 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 1.41 0.22 0.33 0.18 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.46 0.06 1.34 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.47 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.40 0.12 0.08 0.66 0.00 0.00 0.00 0.00 01:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.69 0.28 3.22 0.07 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.28 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:00:05 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:05 ens3 75.03 54.17 766.97 11.53 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 16.75 15.26 479.47 1.03 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 39.36 38.91 1221.56 2.59 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 12.33 12.17 366.46 0.84 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 15.14 14.86 456.38 1.04 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 6.39 6.11 182.13 0.45 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.08 11.87 289.74 1.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27917) 06/17/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.33 0.00 0.18 0.01 0.03 99.45 01:00:05 0 0.31 0.00 0.17 0.01 0.03 99.48 01:00:05 1 0.36 0.00 0.18 0.01 0.03 99.42 01:10:05 all 0.28 0.00 0.07 0.20 0.03 99.42 01:10:05 0 0.25 0.00 0.08 0.39 0.03 99.26 01:10:05 1 0.30 0.00 0.07 0.01 0.03 99.59 01:20:01 all 0.20 0.00 0.08 0.01 0.03 99.68 01:20:01 0 0.08 0.00 0.10 0.00 0.04 99.79 01:20:01 1 0.32 0.00 0.06 0.02 0.03 99.57 01:30:05 all 0.25 0.00 0.16 0.01 0.03 99.55 01:30:05 0 0.14 0.00 0.17 0.00 0.03 99.66 01:30:05 1 0.36 0.00 0.15 0.02 0.02 99.45 01:40:05 all 0.37 0.00 0.09 0.02 0.02 99.50 01:40:05 0 0.42 0.00 0.11 0.03 0.03 99.42 01:40:05 1 0.32 0.00 0.07 0.02 0.02 99.57 01:50:01 all 0.23 0.00 0.07 0.10 0.02 99.58 01:50:01 0 0.25 0.00 0.07 0.04 0.02 99.62 01:50:01 1 0.21 0.00 0.07 0.16 0.02 99.54 02:00:05 all 12.08 0.17 1.99 0.80 0.07 84.89 02:00:05 0 12.23 0.32 2.20 1.16 0.07 84.01 02:00:05 1 11.94 0.02 1.77 0.43 0.06 85.77 02:10:05 all 0.63 0.00 0.25 0.09 0.04 98.99 02:10:05 0 0.67 0.00 0.21 0.10 0.03 98.99 02:10:05 1 0.60 0.00 0.30 0.07 0.06 98.98 02:20:01 all 1.13 0.00 0.53 0.01 0.05 98.28 02:20:01 0 1.40 0.00 0.68 0.00 0.06 97.85 02:20:01 1 0.86 0.00 0.38 0.01 0.04 98.71 02:30:05 all 0.82 0.00 0.31 0.05 0.04 98.78 02:30:05 0 0.97 0.00 0.37 0.08 0.06 98.53 02:30:05 1 0.67 0.00 0.25 0.02 0.03 99.03 02:40:05 all 0.75 0.00 0.24 0.03 0.05 98.94 02:40:05 0 0.87 0.00 0.35 0.05 0.07 98.66 02:40:05 1 0.62 0.00 0.12 0.01 0.03 99.21 02:40:05 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 0.49 0.00 0.20 0.01 0.05 99.25 02:50:01 0 0.38 0.00 0.19 0.01 0.06 99.36 02:50:01 1 0.60 0.00 0.21 0.01 0.04 99.15 Average: all 1.47 0.01 0.35 0.11 0.04 98.02 Average: 0 1.50 0.03 0.39 0.16 0.04 97.88 Average: 1 1.44 0.00 0.30 0.07 0.03 98.16