---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15421 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 786 5066 4 2385 7155 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:a8:e6:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82858sec preferred_lft 82858sec inet6 fe80::f816:3eff:fea8:e6a1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15421) 05/15/26 _x86_64_ (2 CPU) 05:48:29 LINUX RESTART (2 CPU) 05:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:02 6.22 0.35 5.51 0.37 13.16 1290.39 10.97 06:10:00 23.67 1.24 7.98 14.45 108.37 1125.40 108195.97 06:20:01 1.25 0.00 1.25 0.00 0.01 22.73 0.00 06:30:02 1.53 0.01 1.48 0.04 0.09 26.61 1.60 06:40:00 1.89 0.25 1.61 0.03 31.05 76.28 1.39 Average: 6.90 0.37 3.56 2.97 30.48 508.26 21591.93 05:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:02 5557956 7379648 405928 4.99 68344 1929168 649732 7.08 588008 1711116 180 06:10:00 5322416 7412112 359824 4.42 84128 2169872 611204 6.66 578476 1939184 136 06:20:01 5315516 7407884 364104 4.48 84288 2172440 617496 6.73 584572 1941912 120 06:30:02 5299284 7394524 377460 4.64 84480 2175124 620884 6.76 587796 1944788 124 06:40:00 5241988 7363844 407900 5.02 84788 2201444 815372 8.88 602212 1962604 176 Average: 5347432 7391602 383043 4.71 81206 2129610 662938 7.22 588213 1899921 147 05:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:02 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 06:00:02 ens3 7.39 4.34 64.09 0.65 0.00 0.00 0.00 0.00 06:10:00 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 06:10:00 ens3 6.22 5.02 35.79 1.58 0.00 0.00 0.00 0.00 06:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:01 ens3 0.36 0.15 0.07 0.05 0.00 0.00 0.00 0.00 06:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:30:02 ens3 0.58 0.31 0.13 0.09 0.00 0.00 0.00 0.00 06:40:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:40:00 ens3 0.97 0.48 3.26 0.13 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 3.10 2.06 20.68 0.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15421) 05/15/26 _x86_64_ (2 CPU) 05:48:29 LINUX RESTART (2 CPU) 05:50:01 CPU %user %nice %system %iowait %steal %idle 06:00:02 all 1.41 0.00 0.35 0.08 0.02 98.14 06:00:02 0 2.48 0.00 0.41 0.07 0.02 97.02 06:00:02 1 0.34 0.00 0.29 0.09 0.03 99.25 06:10:00 all 5.60 0.00 0.86 0.22 0.03 93.29 06:10:00 0 5.45 0.00 0.85 0.12 0.04 93.55 06:10:00 1 5.75 0.00 0.88 0.31 0.03 93.03 06:20:01 all 1.14 0.00 0.13 0.01 0.04 98.69 06:20:01 0 1.49 0.00 0.15 0.00 0.05 98.30 06:20:01 1 0.78 0.00 0.11 0.01 0.03 99.07 06:30:02 all 1.19 0.00 0.23 0.01 0.04 98.53 06:30:02 0 1.14 0.00 0.20 0.00 0.04 98.62 06:30:02 1 1.25 0.00 0.25 0.01 0.04 98.44 06:40:00 all 0.94 0.00 0.15 0.02 0.04 98.84 06:40:00 0 0.85 0.00 0.15 0.02 0.03 98.95 06:40:00 1 1.04 0.00 0.15 0.02 0.05 98.74 Average: all 2.05 0.00 0.35 0.07 0.03 97.50 Average: 0 2.28 0.00 0.35 0.04 0.04 97.29 Average: 1 1.83 0.00 0.34 0.09 0.03 97.71