---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1050 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 749 5212 4 2273 7192 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:a9:aa:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80476sec preferred_lft 80476sec inet6 fe80::f816:3eff:fea9:aa34/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1050) 08/01/26 _x86_64_ (2 CPU) 01:56:29 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.46 0.02 1.42 0.01 1.24 16.93 0.84 02:20:03 1.42 0.01 1.39 0.01 0.07 16.64 1.08 02:30:01 1.59 0.00 1.56 0.03 0.00 19.13 875.08 02:40:01 1.82 0.26 1.53 0.03 32.07 76.87 1.55 02:50:03 13.80 0.00 1.28 12.51 0.15 16.16 108698.98 03:00:01 14.53 1.63 11.94 0.96 117.02 2241.76 1235.63 03:10:01 11.10 1.24 8.46 1.40 109.07 1299.00 439.28 03:20:03 1.30 0.00 1.30 0.00 0.00 16.08 0.00 03:30:01 1.58 0.00 1.57 0.02 0.00 19.60 1.85 Average: 5.40 0.35 3.38 1.67 28.80 412.70 12408.11 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6288296 7535464 285256 3.51 30596 1422260 528548 5.76 447724 1183420 152 02:20:03 6288748 7536504 284212 3.49 30828 1422588 528572 5.76 447912 1184008 188 02:30:01 6284956 7533272 287420 3.53 31044 1422916 528772 5.76 448040 1184552 160 02:40:01 6255936 7531936 288256 3.54 31436 1449852 531096 5.78 458468 1202804 244 02:50:03 6257628 7534236 285892 3.52 31664 1450220 531096 5.78 458500 1203372 192 03:00:01 5445772 7385552 394432 4.85 71960 2038824 645544 7.03 599880 1815452 44760 03:10:01 5204884 7413872 352652 4.34 87548 2280920 633896 6.90 592476 2044268 220 03:20:03 5203372 7412872 353640 4.35 87704 2281276 634024 6.91 592488 2044780 188 03:30:01 5194856 7404840 361584 4.45 87836 2281624 634024 6.91 592644 2045260 164 Average: 5824939 7476505 321483 3.95 54513 1783387 577286 6.29 515348 1545324 5141 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.01 0.04 0.12 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 1.33 0.06 10.31 0.03 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 0.51 0.05 0.12 0.04 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.91 3.97 7.43 3.49 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.79 0.13 0.23 0.11 0.00 0.00 0.00 0.00 03:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:01 ens3 36.85 22.96 278.88 9.95 0.00 0.00 0.00 0.00 03:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 31.20 21.33 40.14 5.65 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 3.03 0.30 0.49 0.13 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 0.71 0.18 0.13 0.05 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 9.14 5.44 37.43 2.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1050) 08/01/26 _x86_64_ (2 CPU) 01:56:29 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.23 0.00 0.07 0.01 0.04 99.65 02:10:01 0 0.22 0.00 0.07 0.01 0.04 99.66 02:10:01 1 0.25 0.00 0.07 0.01 0.04 99.63 02:20:03 all 0.26 0.00 0.08 0.01 0.03 99.61 02:20:03 0 0.05 0.00 0.09 0.02 0.04 99.79 02:20:03 1 0.47 0.00 0.07 0.00 0.03 99.43 02:30:01 all 0.28 0.00 0.17 0.01 0.03 99.50 02:30:01 0 0.24 0.00 0.18 0.01 0.03 99.53 02:30:01 1 0.31 0.00 0.16 0.01 0.03 99.48 02:40:01 all 0.56 0.00 0.14 0.02 0.03 99.24 02:40:01 0 0.69 0.00 0.16 0.02 0.03 99.10 02:40:01 1 0.44 0.00 0.12 0.03 0.04 99.38 02:50:03 all 0.28 0.00 0.09 0.03 0.03 99.57 02:50:03 0 0.20 0.00 0.09 0.04 0.03 99.64 02:50:03 1 0.36 0.00 0.10 0.01 0.03 99.51 03:00:01 all 6.34 0.00 1.02 0.34 0.04 92.26 03:00:01 0 6.39 0.00 1.03 0.29 0.04 92.25 03:00:01 1 6.30 0.00 1.01 0.38 0.05 92.27 03:10:01 all 6.03 0.00 0.91 0.17 0.06 92.83 03:10:01 0 6.36 0.00 0.96 0.13 0.06 92.49 03:10:01 1 5.70 0.00 0.86 0.22 0.05 93.17 03:20:03 all 0.38 0.00 0.14 0.01 0.05 99.42 03:20:03 0 0.37 0.00 0.15 0.01 0.06 99.41 03:20:03 1 0.38 0.00 0.13 0.01 0.05 99.43 03:30:01 all 0.40 0.00 0.22 0.01 0.07 99.32 03:30:01 0 0.40 0.00 0.18 0.01 0.05 99.37 03:30:01 1 0.40 0.00 0.26 0.00 0.08 99.26 Average: all 1.64 0.00 0.32 0.07 0.04 97.94 Average: 0 1.65 0.00 0.32 0.06 0.04 97.92 Average: 1 1.62 0.00 0.31 0.07 0.04 97.95