---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1167 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 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 760 5120 4 2358 7181 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:6e:e4:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 48445sec preferred_lft 48445sec inet6 fe80::f816:3eff:fe6e:e49a/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-1167) 04/09/26 _x86_64_ (2 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:03 1.82 0.01 1.78 0.03 0.81 21.96 432.83 00:20:01 1.79 0.11 1.65 0.03 3.06 23.45 754.35 00:30:03 1.60 0.00 1.58 0.02 0.00 17.93 215.94 00:40:03 22.31 3.03 17.07 2.21 226.60 3099.20 472.91 00:50:01 1.68 0.00 1.66 0.02 0.00 27.98 1.86 01:00:03 1.74 0.00 1.70 0.04 0.00 24.91 5.09 01:10:03 1.67 0.00 1.65 0.03 0.00 134.14 404.17 01:20:01 1.61 0.00 1.60 0.01 0.00 29.33 0.73 Average: 4.28 0.39 3.59 0.30 28.82 422.45 285.84 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:03 6101796 7500320 308236 3.79 54316 1540372 545272 5.94 479012 1308844 212 00:20:01 6124700 7484972 323516 3.98 54480 1501892 542848 5.91 477760 1270196 124 00:30:03 6132036 7492768 315736 3.88 54600 1502224 542984 5.91 477828 1270636 216 00:40:03 5213388 7401068 360088 4.43 103588 2239668 643700 7.01 607172 2011948 1860 00:50:01 5173896 7363404 397808 4.89 103700 2241440 670196 7.30 625596 2013836 160 01:00:03 5166104 7357544 403604 4.96 103832 2243248 672448 7.32 627904 2015776 260 01:10:03 5115348 7341676 419192 5.15 103988 2277908 742708 8.09 646880 2050588 216 01:20:01 5111948 7342104 418932 5.15 104076 2281600 663024 7.22 617776 2054372 276 Average: 5517402 7410482 368389 4.53 85322 1978544 627898 6.84 569991 1749524 416 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:03 ens3 0.20 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.12 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 0.50 0.12 0.18 0.10 0.00 0.00 0.00 0.00 00:40:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 59.00 43.71 298.83 12.53 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 22.49 18.49 224.41 1.60 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 9.29 8.56 61.17 0.92 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 6.83 5.84 45.61 0.77 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 13.50 12.91 140.79 1.28 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.99 11.21 96.32 2.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1167) 04/09/26 _x86_64_ (2 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:03 all 0.26 0.00 0.11 0.01 0.02 99.60 00:10:03 0 0.07 0.00 0.12 0.01 0.02 99.77 00:10:03 1 0.45 0.00 0.10 0.01 0.02 99.43 00:20:01 all 0.63 0.00 0.21 0.01 0.02 99.12 00:20:01 0 0.94 0.00 0.20 0.02 0.02 98.83 00:20:01 1 0.32 0.00 0.22 0.01 0.03 99.42 00:30:03 all 0.24 0.00 0.16 0.01 0.02 99.57 00:30:03 0 0.39 0.00 0.13 0.01 0.01 99.45 00:30:03 1 0.10 0.00 0.18 0.01 0.03 99.68 00:40:03 all 10.92 0.00 1.69 0.42 0.04 86.94 00:40:03 0 9.00 0.00 1.43 0.47 0.03 89.07 00:40:03 1 12.83 0.00 1.94 0.37 0.05 84.81 00:50:01 all 0.87 0.00 0.26 0.01 0.06 98.80 00:50:01 0 1.10 0.00 0.32 0.01 0.07 98.51 00:50:01 1 0.65 0.00 0.21 0.01 0.05 99.09 01:00:03 all 3.48 0.00 0.51 0.01 0.05 95.95 01:00:03 0 2.22 0.00 0.37 0.02 0.04 97.35 01:00:03 1 4.74 0.00 0.65 0.01 0.06 94.53 01:10:03 all 7.71 0.00 0.83 0.01 0.07 91.37 01:10:03 0 6.38 0.00 0.69 0.01 0.07 92.84 01:10:03 1 9.05 0.00 0.97 0.01 0.07 89.90 01:20:01 all 1.50 0.00 0.23 0.01 0.06 98.20 01:20:01 0 2.23 0.00 0.26 0.02 0.07 97.42 01:20:01 1 0.77 0.00 0.20 0.01 0.05 98.98 Average: all 3.19 0.00 0.50 0.06 0.04 96.21 Average: 0 2.78 0.00 0.44 0.07 0.04 96.66 Average: 1 3.60 0.00 0.56 0.05 0.04 95.75