---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6571 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 781 5267 4 2181 7160 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:72:93:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82191sec preferred_lft 82191sec inet6 fe80::f816:3eff:fe72:939f/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-6571) 03/21/26 _x86_64_ (2 CPU) 01:54:32 LINUX RESTART (2 CPU) 02:00:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.34 0.01 1.33 0.00 0.06 15.76 0.13 02:20:00 1.38 0.00 1.36 0.02 0.01 15.92 1.20 02:30:30 1.53 0.00 1.50 0.03 0.00 17.92 416.61 02:40:10 1.41 0.00 1.40 0.02 0.00 16.24 1.12 02:50:00 1.32 0.00 1.30 0.02 0.00 15.20 1.22 03:00:00 21.14 3.34 15.64 2.16 267.21 2555.41 1044.97 Average: 4.71 0.56 3.78 0.38 44.91 442.87 249.67 02:00:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6294264 7545356 274872 3.38 30700 1426024 523936 5.71 441716 1187200 200 02:20:00 6293776 7545388 274756 3.38 30912 1426356 524000 5.71 441652 1187708 172 02:30:30 6294588 7546792 273284 3.36 31128 1426684 524152 5.71 441988 1188276 220 02:40:10 6294084 7546812 273264 3.36 31316 1427004 524152 5.71 442060 1188796 144 02:50:00 6293580 7546972 273104 3.36 31516 1427460 524216 5.71 442232 1189324 176 03:00:00 5284512 7391524 379940 4.67 84748 2186548 630860 6.87 617212 1944840 180252 Average: 6125801 7520474 291537 3.58 40053 1553346 541886 5.90 471143 1314357 30194 02:00:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.49 0.02 0.04 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 0.39 0.03 0.22 0.01 0.00 0.00 0.00 0.00 02:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:30 ens3 0.36 0.07 0.10 0.04 0.00 0.00 0.00 0.00 02:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 0.38 0.06 0.11 0.05 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.23 0.05 0.06 0.03 0.00 0.00 0.00 0.00 03:00:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:00 ens3 43.47 28.28 294.43 7.59 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.61 4.79 49.56 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6571) 03/21/26 _x86_64_ (2 CPU) 01:54:32 LINUX RESTART (2 CPU) 02:00:29 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.23 0.00 0.08 0.09 0.03 99.57 02:10:00 0 0.40 0.00 0.05 0.06 0.02 99.46 02:10:00 1 0.05 0.00 0.10 0.13 0.04 99.68 02:20:00 all 0.24 0.00 0.07 0.06 0.03 99.60 02:20:00 0 0.43 0.00 0.05 0.01 0.03 99.48 02:20:00 1 0.05 0.00 0.09 0.11 0.04 99.71 02:30:30 all 0.25 0.00 0.16 0.04 0.03 99.52 02:30:30 0 0.29 0.00 0.15 0.03 0.03 99.49 02:30:30 1 0.21 0.00 0.16 0.04 0.03 99.55 02:40:10 all 0.27 0.00 0.07 0.04 0.03 99.59 02:40:10 0 0.12 0.00 0.09 0.06 0.04 99.68 02:40:10 1 0.41 0.00 0.05 0.02 0.03 99.49 02:50:00 all 0.26 0.00 0.08 0.10 0.03 99.54 02:50:00 0 0.35 0.00 0.08 0.14 0.03 99.39 02:50:00 1 0.16 0.00 0.08 0.05 0.03 99.68 03:00:00 all 10.36 0.00 1.70 1.11 0.05 86.77 03:00:00 0 7.93 0.00 1.62 0.97 0.05 89.42 03:00:00 1 12.79 0.00 1.78 1.25 0.05 84.13 Average: all 1.95 0.00 0.36 0.24 0.03 97.41 Average: 0 1.60 0.00 0.35 0.22 0.03 97.81 Average: 1 2.30 0.00 0.38 0.27 0.04 97.02