---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19704 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: 5599.94 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 819 5028 4 2387 7122 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:71:a8:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83463sec preferred_lft 83463sec inet6 fe80::f816:3eff:fe71:a86f/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-19704) 05/25/26 _x86_64_ (2 CPU) 02:57:37 LINUX RESTART (2 CPU) 03:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 10.76 1.28 8.15 1.32 111.70 1225.39 424.67 03:20:01 1.45 0.01 1.40 0.04 0.07 109.98 2.15 03:30:23 1.97 0.25 1.67 0.06 30.06 131.40 2.19 03:40:01 1.55 0.02 1.51 0.02 1.72 31.51 0.51 Average: 3.92 0.39 3.17 0.36 36.00 373.88 106.80 03:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5199868 7379972 388392 4.78 85528 2255740 709668 7.73 617420 2026896 1980 03:20:01 5136692 7345360 422704 5.20 85784 2283884 742544 8.09 649888 2055348 2052 03:30:23 5051748 7303000 464112 5.71 86152 2325520 924012 10.06 665908 2088580 252 03:40:01 5070656 7326648 440496 5.42 86300 2330048 719716 7.84 660740 2092832 232 Average: 5114741 7338745 428926 5.27 85941 2298798 773985 8.43 648489 2065914 1129 03:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 92.84 65.61 56.77 12.23 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 14.73 14.81 12.95 1.20 0.00 0.00 0.00 0.00 03:30:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:23 ens3 13.57 13.24 10.73 1.17 0.00 0.00 0.00 0.00 03:40:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 25.96 25.84 5.22 1.81 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 36.55 29.69 21.40 4.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19704) 05/25/26 _x86_64_ (2 CPU) 02:57:37 LINUX RESTART (2 CPU) 03:00:05 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 8.45 0.00 1.37 0.23 0.06 89.90 03:10:01 0 8.69 0.00 1.54 0.27 0.06 89.44 03:10:01 1 8.20 0.00 1.20 0.20 0.05 90.35 03:20:01 all 4.10 0.00 0.62 0.01 0.07 95.20 03:20:01 0 3.61 0.00 0.57 0.01 0.06 95.75 03:20:01 1 4.59 0.00 0.68 0.01 0.07 94.65 03:30:23 all 3.53 0.00 0.60 0.02 0.07 95.78 03:30:23 0 3.84 0.00 0.60 0.01 0.08 95.48 03:30:23 1 3.23 0.00 0.60 0.03 0.06 96.07 03:40:01 all 1.66 0.00 0.37 0.01 0.07 97.89 03:40:01 0 1.78 0.00 0.37 0.01 0.08 97.76 03:40:01 1 1.55 0.00 0.36 0.01 0.06 98.03 Average: all 4.45 0.00 0.74 0.07 0.07 94.68 Average: 0 4.49 0.00 0.77 0.07 0.07 94.60 Average: 1 4.40 0.00 0.71 0.06 0.06 94.77