---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15671 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 7.9G 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 746 5284 4 2200 7195 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:f8:bb:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81727sec preferred_lft 81727sec inet6 fe80::f816:3eff:fef8:bb57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15671) 05/16/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.42 0.02 1.39 0.01 1.24 16.75 435.82 02:10:14 1.19 0.01 1.18 0.00 0.05 14.22 0.12 02:20:04 1.15 0.00 1.14 0.00 0.01 13.60 0.12 02:30:01 14.51 0.26 1.63 12.61 32.30 75.39 109987.55 02:40:14 1.19 0.00 1.19 0.00 0.00 14.34 0.00 02:50:05 1.58 0.40 1.18 0.00 16.01 46.16 0.00 03:00:01 22.30 2.64 17.39 2.28 213.94 3202.94 1257.89 Average: 6.16 0.47 3.57 2.12 37.36 479.69 15891.44 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6275460 7527016 293352 3.61 30620 1426528 523852 5.71 446992 1187232 176 02:10:14 6283272 7535344 285020 3.50 30800 1426860 523852 5.71 447016 1187744 140 02:20:04 6290188 7542764 277560 3.41 30976 1427184 523988 5.71 447024 1188244 212 02:30:01 6256784 7536440 283160 3.48 31340 1453524 523988 5.71 456480 1205816 196 02:40:14 6258648 7538956 280664 3.45 31500 1453980 524052 5.71 456736 1206332 160 02:50:05 6227520 7522876 296400 3.64 31808 1468660 543156 5.92 491884 1219792 372 03:00:01 5284704 7412456 358668 4.41 84992 2206648 628212 6.84 597904 1966932 316 Average: 6125225 7516550 296403 3.64 38862 1551912 541586 5.90 477719 1308870 225 01:50:01 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 1.26 0.06 0.12 0.03 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.44 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.58 0.03 5.80 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.60 0.24 3.32 0.05 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 0.40 0.08 0.11 0.06 0.00 0.00 0.00 0.00 02:50:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 9.36 5.06 20.46 3.17 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 97.03 69.77 294.32 15.14 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 15.54 10.67 45.93 2.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15671) 05/16/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.33 0.00 0.16 0.01 0.04 99.46 02:00:01 0 0.53 0.00 0.13 0.02 0.02 99.30 02:00:01 1 0.12 0.00 0.20 0.01 0.05 99.62 02:10:14 all 0.23 0.00 0.08 0.01 0.03 99.65 02:10:14 0 0.41 0.00 0.06 0.00 0.02 99.50 02:10:14 1 0.05 0.00 0.09 0.02 0.05 99.79 02:20:04 all 0.24 0.00 0.07 0.01 0.03 99.64 02:20:04 0 0.42 0.00 0.04 0.02 0.02 99.50 02:20:04 1 0.05 0.00 0.11 0.01 0.05 99.78 02:30:01 all 0.40 0.00 0.20 0.06 0.03 99.31 02:30:01 0 0.32 0.00 0.25 0.09 0.04 99.30 02:30:01 1 0.47 0.00 0.16 0.02 0.03 99.31 02:40:14 all 0.25 0.00 0.07 0.01 0.03 99.64 02:40:14 0 0.05 0.00 0.09 0.01 0.04 99.81 02:40:14 1 0.45 0.00 0.05 0.01 0.02 99.47 02:50:05 all 0.53 0.00 0.10 0.02 0.03 99.32 02:50:05 0 0.25 0.00 0.14 0.02 0.04 99.55 02:50:05 1 0.81 0.00 0.06 0.02 0.03 99.08 03:00:01 all 13.39 0.00 2.05 0.81 0.07 83.68 03:00:01 0 16.70 0.00 2.17 0.85 0.08 80.21 03:00:01 1 10.08 0.00 1.93 0.77 0.06 87.15 Average: all 2.17 0.00 0.39 0.13 0.04 97.27 Average: 0 2.64 0.00 0.41 0.14 0.04 96.77 Average: 1 1.71 0.00 0.37 0.12 0.04 97.76