---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21902 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 8.1G 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 757 4979 4 2506 7184 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:b9:cb:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81014sec preferred_lft 81014sec inet6 fe80::f816:3eff:feb9:cb02/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21902) 05/31/26 _x86_64_ (2 CPU) 01:56:23 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:08 1.43 0.02 1.40 0.01 1.22 16.77 0.83 02:20:10 1.42 0.01 1.40 0.02 0.07 16.09 1.20 02:30:09 14.80 0.26 1.94 12.60 32.21 78.93 109463.16 02:40:09 1.35 0.00 1.35 0.00 0.00 15.53 0.00 02:50:09 1.34 0.00 1.34 0.00 0.00 15.67 0.00 03:00:08 1.60 0.00 1.59 0.02 0.00 18.99 0.33 03:10:09 15.51 13.53 1.94 0.05 150.97 43.46 6.23 03:20:09 24.42 3.02 19.14 2.26 228.01 3537.48 757.43 Average: 7.72 2.10 3.76 1.86 51.49 467.18 13737.88 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:08 6295416 7546284 274188 3.37 30672 1425836 527732 5.75 446120 1187340 220 02:20:10 6296424 7547840 272652 3.35 30884 1426168 528044 5.75 446388 1187884 184 02:30:09 6243916 7522664 297236 3.65 31296 1452664 530104 5.77 455460 1205700 144 02:40:09 6243916 7523144 296752 3.65 31448 1452988 530024 5.77 455328 1206176 136 02:50:09 6243676 7523408 296484 3.65 31612 1453320 530084 5.77 455432 1206672 132 03:00:08 6255172 7535540 284324 3.50 31776 1453776 530132 5.77 454732 1207164 124 03:10:09 6186816 7524256 286548 3.52 35908 1498396 530196 5.77 455736 1255308 228 03:20:09 5069208 7370484 387844 4.77 90616 2362844 676292 7.37 625880 2128740 11852 Average: 6104318 7511702 299504 3.68 39276 1565749 547826 5.97 474384 1323123 1628 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 1.06 0.05 0.09 0.01 0.00 0.00 0.00 0.00 02:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:10 ens3 0.44 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.81 0.24 7.43 0.03 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.48 0.07 0.12 0.03 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 0.36 0.10 0.11 0.06 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 0.37 0.08 0.08 0.04 0.00 0.00 0.00 0.00 03:20:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:20:09 ens3 77.36 56.08 356.89 15.10 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 10.13 7.08 45.54 1.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21902) 05/31/26 _x86_64_ (2 CPU) 01:56:23 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:08 all 0.28 0.00 0.08 0.01 0.03 99.59 02:10:08 0 0.25 0.00 0.09 0.01 0.03 99.62 02:10:08 1 0.31 0.00 0.08 0.01 0.02 99.57 02:20:10 all 0.23 0.00 0.07 0.01 0.02 99.66 02:20:10 0 0.40 0.00 0.04 0.01 0.01 99.53 02:20:10 1 0.06 0.00 0.10 0.00 0.04 99.79 02:30:09 all 0.42 0.00 0.20 0.06 0.03 99.29 02:30:09 0 0.46 0.00 0.24 0.08 0.03 99.19 02:30:09 1 0.38 0.00 0.16 0.04 0.02 99.39 02:40:09 all 0.28 0.00 0.07 0.02 0.03 99.61 02:40:09 0 0.45 0.00 0.06 0.01 0.02 99.47 02:40:09 1 0.11 0.00 0.08 0.03 0.04 99.76 02:50:09 all 0.27 0.00 0.07 0.01 0.03 99.62 02:50:09 0 0.12 0.00 0.08 0.01 0.03 99.76 02:50:09 1 0.42 0.00 0.05 0.01 0.02 99.49 03:00:08 all 0.30 0.00 0.16 0.01 0.03 99.50 03:00:08 0 0.34 0.00 0.17 0.01 0.02 99.45 03:00:08 1 0.26 0.00 0.16 0.01 0.03 99.54 03:10:09 all 0.22 0.16 0.15 0.12 0.03 99.33 03:10:09 0 0.38 0.31 0.18 0.21 0.02 98.89 03:10:09 1 0.05 0.00 0.11 0.04 0.04 99.76 03:20:09 all 16.29 0.00 1.74 0.56 0.06 81.34 03:20:09 0 19.11 0.00 1.73 0.56 0.06 78.53 03:20:09 1 13.47 0.00 1.76 0.56 0.06 84.16 Average: all 2.28 0.02 0.32 0.10 0.03 97.25 Average: 0 2.68 0.04 0.32 0.11 0.03 96.81 Average: 1 1.88 0.00 0.31 0.09 0.03 97.69