---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12878 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 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 814 5053 4 2370 7127 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:f3:0d:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83437sec preferred_lft 83437sec inet6 fe80::f816:3eff:fef3:d3d/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-12878) 05/12/26 _x86_64_ (2 CPU) 03:37:41 LINUX RESTART (2 CPU) 03:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:50:11 11.37 1.52 8.56 1.29 141.86 1231.42 422.71 04:00:01 15.98 13.77 2.12 0.08 153.32 141.66 7.59 04:10:11 14.57 0.01 1.30 13.26 0.34 74.11 104814.63 04:20:11 1.39 0.00 1.37 0.02 0.01 29.09 1.20 Average: 10.82 3.77 3.34 3.72 73.24 368.78 26754.45 03:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:50:11 5243324 7371332 400900 4.93 84184 2208096 905208 9.86 638852 1967864 2144 04:00:01 5108856 7320628 441700 5.43 87604 2279900 939940 10.24 673988 2042360 1268 04:10:11 5089028 7318364 443744 5.46 87800 2296972 917048 9.99 675076 2059652 156 04:20:11 5087768 7321392 440624 5.42 88000 2301012 915796 9.97 673888 2063884 132 Average: 5132244 7332929 431742 5.31 86897 2271495 919498 10.02 665451 2033440 925 03:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:50:11 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 03:50:11 ens3 92.45 72.38 58.87 13.33 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 13.54 13.81 12.78 1.15 0.00 0.00 0.00 0.00 04:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:11 ens3 12.70 12.71 8.24 1.10 0.00 0.00 0.00 0.00 04:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:11 ens3 24.66 24.63 4.84 1.71 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 35.83 30.88 21.16 4.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12878) 05/12/26 _x86_64_ (2 CPU) 03:37:41 LINUX RESTART (2 CPU) 03:40:11 CPU %user %nice %system %iowait %steal %idle 03:50:11 all 8.40 0.00 1.39 0.95 0.05 89.21 03:50:11 0 9.18 0.00 1.55 1.27 0.05 87.95 03:50:11 1 7.62 0.00 1.24 0.62 0.05 90.47 04:00:01 all 4.20 0.18 0.75 0.15 0.05 94.66 04:00:01 0 2.97 0.03 0.55 0.05 0.05 96.36 04:00:01 1 5.44 0.34 0.95 0.25 0.06 92.96 04:10:11 all 3.61 0.00 0.51 0.05 0.05 95.78 04:10:11 0 3.41 0.00 0.48 0.08 0.05 95.97 04:10:11 1 3.80 0.00 0.54 0.01 0.05 95.60 04:20:11 all 1.57 0.00 0.34 0.01 0.06 98.03 04:20:11 0 1.77 0.00 0.35 0.01 0.05 97.82 04:20:11 1 1.37 0.00 0.32 0.01 0.07 98.24 Average: all 4.44 0.05 0.75 0.29 0.05 94.43 Average: 0 4.33 0.01 0.73 0.35 0.05 94.52 Average: 1 4.55 0.08 0.76 0.22 0.06 94.33