---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8907 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 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 830 5049 4 2351 7111 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:0e:38:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79697sec preferred_lft 79697sec inet6 fe80::f816:3eff:fe0e:3855/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8907) 04/28/26 _x86_64_ (2 CPU) 01:47:38 LINUX RESTART (2 CPU) 01:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.63 0.03 1.59 0.01 1.27 19.08 445.15 02:10:01 14.02 0.01 1.45 12.56 0.20 17.24 109348.34 02:20:14 1.40 0.00 1.38 0.02 0.01 16.22 1.29 02:30:01 1.57 0.00 1.54 0.03 0.00 18.74 891.92 02:40:01 1.34 0.00 1.32 0.02 0.00 15.80 1.09 02:50:26 4.59 1.61 2.89 0.09 132.79 302.43 4.80 03:00:01 20.89 1.74 16.87 2.28 135.39 3040.88 621.32 03:10:01 1.32 0.00 1.32 0.00 0.00 64.03 0.00 03:20:14 1.43 0.00 1.43 0.00 0.00 81.32 0.03 03:30:01 1.77 0.01 1.75 0.02 0.46 85.34 0.26 Average: 4.93 0.34 3.10 1.50 27.06 355.53 11135.02 01:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6283188 7534168 286160 3.52 30604 1426008 531996 5.79 444212 1187300 156 02:10:01 6282940 7534528 285780 3.51 30832 1426384 532060 5.80 447404 1187876 124 02:20:14 6290528 7542660 277640 3.41 31048 1426704 532216 5.80 447632 1188412 124 02:30:01 6284988 7537672 282624 3.48 31260 1427040 532216 5.80 447868 1188960 152 02:40:01 6280956 7534176 286144 3.52 31456 1427372 532288 5.80 447532 1189488 128 02:50:26 5933188 7375296 435412 5.35 44272 1595256 658504 7.17 610544 1345844 69800 03:00:01 5239748 7366544 404716 4.98 85184 2205560 666596 7.26 631180 1964328 444 03:10:01 5206988 7348360 422940 5.20 85320 2219992 686960 7.48 650872 1978912 252 03:20:14 5197256 7358604 412684 5.07 85464 2239776 697896 7.60 653932 1998840 180 03:30:01 5170308 7351680 419212 5.15 85648 2259348 698264 7.61 654292 2018484 968 Average: 5817009 7448369 351331 4.32 54109 1765344 606900 6.61 543547 1524844 7233 01:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.81 0.06 0.10 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.57 0.09 0.11 0.05 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.29 0.03 0.12 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.29 0.04 0.12 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:26 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 02:50:26 ens3 24.82 13.20 89.64 4.58 0.00 0.00 0.00 0.00 03:00:01 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 47.25 32.79 222.45 7.11 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 6.15 5.35 1.42 1.13 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 23.10 19.57 4.95 2.41 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 41.91 40.21 9.33 5.64 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 14.44 11.04 32.35 2.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8907) 04/28/26 _x86_64_ (2 CPU) 01:47:38 LINUX RESTART (2 CPU) 01:50:14 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.18 0.01 0.03 99.48 02:00:01 0 0.18 0.00 0.19 0.01 0.03 99.59 02:00:01 1 0.42 0.00 0.18 0.01 0.03 99.37 02:10:01 all 0.27 0.00 0.09 0.03 0.03 99.58 02:10:01 0 0.31 0.00 0.10 0.06 0.03 99.51 02:10:01 1 0.22 0.00 0.09 0.00 0.03 99.66 02:20:14 all 0.24 0.00 0.08 0.01 0.03 99.65 02:20:14 0 0.10 0.00 0.07 0.01 0.03 99.79 02:20:14 1 0.38 0.00 0.08 0.01 0.02 99.50 02:30:01 all 0.26 0.00 0.17 0.01 0.03 99.53 02:30:01 0 0.06 0.00 0.18 0.01 0.03 99.71 02:30:01 1 0.46 0.00 0.16 0.01 0.03 99.34 02:40:01 all 0.29 0.00 0.07 0.01 0.03 99.60 02:40:01 0 0.25 0.00 0.09 0.01 0.03 99.63 02:40:01 1 0.33 0.00 0.06 0.01 0.02 99.58 02:50:26 all 1.85 0.00 0.35 0.13 0.03 97.65 02:50:26 0 1.35 0.00 0.34 0.10 0.03 98.18 02:50:26 1 2.34 0.00 0.35 0.16 0.03 97.13 03:00:01 all 10.60 0.00 1.63 0.55 0.06 87.15 03:00:01 0 11.14 0.00 1.66 0.56 0.05 86.58 03:00:01 1 10.07 0.00 1.60 0.54 0.07 87.72 03:10:01 all 5.08 0.00 0.31 0.02 0.06 94.54 03:10:01 0 5.12 0.00 0.29 0.03 0.06 94.50 03:10:01 1 5.03 0.00 0.32 0.01 0.06 94.58 03:20:14 all 7.30 0.00 0.44 0.02 0.07 92.17 03:20:14 0 11.90 0.00 0.52 0.01 0.09 87.49 03:20:14 1 2.72 0.00 0.36 0.03 0.06 96.83 03:30:01 all 7.83 0.00 0.79 0.01 0.07 91.31 03:30:01 0 6.84 0.00 0.80 0.02 0.07 92.28 03:30:01 1 8.81 0.00 0.78 0.01 0.07 90.34 Average: all 3.36 0.00 0.40 0.08 0.04 96.11 Average: 0 3.69 0.00 0.42 0.08 0.04 95.77 Average: 1 3.03 0.00 0.39 0.08 0.04 96.46