---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12408 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 8.0G 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 769 5198 4 2262 7172 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:59:2e:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83564sec preferred_lft 83564sec inet6 fe80::f816:3eff:fe59:2ef2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12408) 05/10/26 _x86_64_ (2 CPU) 00:17:01 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:07 13.38 1.77 10.65 0.96 118.41 2057.71 423.56 00:40:17 10.58 1.38 7.94 1.25 112.10 1131.61 530.40 00:50:01 1.36 0.01 1.31 0.04 0.70 87.78 1.67 01:00:17 1.55 0.00 1.53 0.02 0.00 106.26 0.84 Average: 6.75 0.80 5.38 0.57 58.18 850.30 240.80 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:07 5587532 7408772 376864 4.63 68472 1928544 640888 6.98 576312 1710848 160 00:40:17 5382592 7472544 299436 3.68 84928 2169308 560284 6.10 530744 1938876 156 00:50:01 5303988 7414748 357136 4.39 85144 2189932 650360 7.08 585932 1959716 192 01:00:17 5258940 7397236 374452 4.60 85292 2217200 738172 8.04 592152 1987092 288 Average: 5383263 7423325 351972 4.33 80959 2126246 647426 7.05 571285 1899133 199 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:07 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 00:30:07 ens3 37.12 21.06 260.66 5.81 0.00 0.00 0.00 0.00 00:40:17 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 00:40:17 ens3 65.72 46.68 46.30 11.45 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 32.05 29.34 14.51 3.44 0.00 0.00 0.00 0.00 01:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 63.73 58.47 29.27 5.92 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 49.90 39.07 88.06 6.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12408) 05/10/26 _x86_64_ (2 CPU) 00:17:01 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:07 all 5.38 0.00 0.94 0.44 0.05 93.19 00:30:07 0 9.44 0.00 1.33 0.73 0.06 88.44 00:30:07 1 1.32 0.00 0.54 0.16 0.05 97.93 00:40:17 all 5.60 0.00 0.95 0.21 0.05 93.19 00:40:17 0 8.27 0.00 1.12 0.24 0.05 90.31 00:40:17 1 2.93 0.00 0.78 0.17 0.05 96.07 00:50:01 all 6.41 0.00 0.89 0.03 0.09 92.59 00:50:01 0 7.92 0.00 1.10 0.02 0.08 90.87 00:50:01 1 4.87 0.00 0.68 0.03 0.09 94.33 01:00:17 all 6.14 0.00 0.94 0.05 0.09 92.78 01:00:17 0 5.80 0.00 0.94 0.05 0.09 93.13 01:00:17 1 6.48 0.00 0.95 0.04 0.09 92.43 Average: all 5.88 0.00 0.93 0.18 0.07 92.94 Average: 0 7.86 0.00 1.12 0.26 0.07 90.69 Average: 1 3.89 0.00 0.74 0.10 0.07 95.20