---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-768 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 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 763 5161 4 2309 7178 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:72:90:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82163sec preferred_lft 82163sec inet6 fe80::f816:3eff:fe72:90bb/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-768) 07/31/26 _x86_64_ (2 CPU) 01:44:55 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.61 0.03 1.56 0.02 1.25 19.05 871.80 02:10:00 1.18 0.00 1.17 0.02 0.00 13.83 1.20 02:20:00 1.18 0.00 1.16 0.01 0.01 13.79 0.97 02:30:00 1.41 0.00 1.38 0.03 0.00 16.92 655.01 02:40:00 1.72 0.25 1.44 0.03 30.97 74.87 1.37 02:50:00 12.17 1.45 9.91 0.81 107.52 1581.68 200.00 Average: 3.21 0.29 2.77 0.15 23.29 286.69 288.39 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6301784 7549284 271276 3.34 30636 1422576 527796 5.75 445332 1183640 172 02:10:00 6301036 7549092 271452 3.34 30844 1422920 527868 5.75 445540 1184188 172 02:20:00 6312772 7561380 259156 3.19 31052 1423252 528024 5.75 445664 1184728 172 02:30:00 6297724 7546900 273604 3.36 31268 1423576 528020 5.75 445824 1185296 172 02:40:00 6247960 7524508 295520 3.63 31644 1450200 737588 8.03 459780 1203536 172 02:50:00 5365132 7340172 440692 5.42 70288 2076404 714660 7.78 647808 1852924 265652 Average: 6137735 7511889 301950 3.71 37622 1536488 593993 6.47 481658 1299052 44419 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.99 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.42 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.29 0.08 0.07 0.04 0.00 0.00 0.00 0.00 02:40:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 6.51 4.16 7.35 3.38 0.00 0.00 0.00 0.00 02:50:00 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 02:50:00 ens3 36.75 25.21 277.40 10.29 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.55 4.93 47.51 2.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-768) 07/31/26 _x86_64_ (2 CPU) 01:44:55 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.31 0.00 0.18 0.02 0.03 99.46 02:00:00 0 0.30 0.00 0.19 0.03 0.03 99.45 02:00:00 1 0.32 0.00 0.18 0.01 0.03 99.46 02:10:00 all 0.25 0.00 0.07 0.01 0.03 99.64 02:10:00 0 0.13 0.00 0.08 0.01 0.03 99.76 02:10:00 1 0.38 0.00 0.07 0.01 0.03 99.51 02:20:00 all 0.24 0.00 0.08 2.74 0.03 96.92 02:20:00 0 0.30 0.00 0.08 0.00 0.02 99.60 02:20:00 1 0.18 0.00 0.08 5.47 0.03 94.24 02:30:00 all 0.28 0.00 0.17 1.90 0.02 97.63 02:30:00 0 0.27 0.00 0.17 0.02 0.02 99.53 02:30:00 1 0.29 0.00 0.17 3.78 0.03 95.73 02:40:00 all 0.52 0.00 0.12 0.03 0.03 99.31 02:40:00 0 0.43 0.00 0.15 0.03 0.02 99.37 02:40:00 1 0.62 0.00 0.09 0.02 0.03 99.25 02:50:00 all 5.81 0.00 0.85 0.85 0.04 92.46 02:50:00 0 5.23 0.00 0.79 0.69 0.03 93.25 02:50:00 1 6.39 0.00 0.90 1.00 0.04 91.67 Average: all 1.24 0.00 0.24 0.92 0.03 97.57 Average: 0 1.11 0.00 0.24 0.13 0.02 98.49 Average: 1 1.36 0.00 0.25 1.71 0.03 96.64