---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33567 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 776 5092 4 2365 7165 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:61:90:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83505sec preferred_lft 83505sec inet6 fe80::f816:3eff:fe61:9045/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33567) 07/07/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 13.97 1.46 10.91 1.60 122.71 2175.47 622.92 02:20:50 1.79 0.24 1.52 0.03 28.65 93.18 1.38 02:30:20 1.61 0.01 1.56 0.04 1.11 48.10 1.31 02:40:01 15.30 0.00 1.35 13.95 0.15 54.26 109858.72 Average: 8.04 0.43 3.81 3.80 38.37 586.82 26846.34 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 5219540 7410280 357488 4.40 85780 2265572 713340 7.77 587864 2036112 360 02:20:50 5150816 7375860 391120 4.81 86132 2299368 883800 9.63 607132 2061472 800 02:30:20 5136732 7370456 396516 4.88 86288 2307756 684840 7.46 601920 2069716 560 02:40:01 5142676 7387992 378872 4.66 86444 2319020 736784 8.03 604868 2081120 512 Average: 5162441 7386147 380999 4.68 86161 2297929 754691 8.22 600446 2062105 558 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:10:00 ens3 79.30 64.56 103.20 12.28 0.00 0.00 0.00 0.00 02:20:50 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:50 ens3 20.66 19.00 7.28 2.24 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 13.44 12.84 2.43 1.20 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 24.11 19.88 13.12 2.69 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 34.25 28.99 31.21 4.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33567) 07/07/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 11.22 0.00 1.66 0.29 0.05 86.78 02:10:00 0 11.28 0.00 1.63 0.23 0.04 86.82 02:10:00 1 11.16 0.00 1.70 0.35 0.05 86.75 02:20:50 all 5.18 0.00 0.66 0.04 0.05 94.08 02:20:50 0 4.39 0.00 0.66 0.06 0.04 94.85 02:20:50 1 5.97 0.00 0.66 0.01 0.05 93.31 02:30:20 all 2.53 0.00 0.56 0.01 0.03 96.87 02:30:20 0 2.24 0.00 0.53 0.01 0.03 97.19 02:30:20 1 2.83 0.00 0.58 0.01 0.03 96.55 02:40:01 all 4.75 0.00 0.56 0.03 0.05 94.61 02:40:01 0 4.31 0.00 0.45 0.05 0.04 95.15 02:40:01 1 5.19 0.00 0.66 0.02 0.05 94.08 Average: all 5.93 0.00 0.86 0.09 0.04 93.07 Average: 0 5.56 0.00 0.82 0.09 0.04 93.50 Average: 1 6.31 0.00 0.90 0.10 0.04 92.65