---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37105 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 784 5055 4 2396 7157 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:87:f9:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84222sec preferred_lft 84222sec inet6 fe80::f816:3eff:fe87:f92d/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-37105) 07/19/26 _x86_64_ (2 CPU) 04:37:09 LINUX RESTART (2 CPU) 04:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:22 10.67 1.22 8.17 1.28 106.65 1157.57 352.98 05:00:01 1.53 0.01 1.49 0.03 0.06 96.38 1.36 05:10:01 1.83 0.25 1.55 0.02 30.97 105.06 1.11 Average: 4.79 0.51 3.82 0.46 47.18 465.80 122.72 04:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:22 5197036 7407048 359908 4.43 86332 2283516 681340 7.42 589724 2055044 456 05:00:01 5161148 7393816 372644 4.58 86516 2305860 702584 7.65 595452 2077564 212 05:10:01 5100984 7369816 395908 4.87 86812 2341268 938916 10.23 613148 2104512 632 Average: 5153056 7390227 376153 4.63 86553 2310215 774280 8.43 599441 2079040 433 04:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:22 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 04:50:22 ens3 92.33 72.11 57.58 13.41 0.00 0.00 0.00 0.00 05:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:01 ens3 33.46 32.09 21.60 4.32 0.00 0.00 0.00 0.00 05:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:10:01 ens3 26.35 23.85 12.02 2.93 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 51.42 43.16 30.83 7.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37105) 07/19/26 _x86_64_ (2 CPU) 04:37:09 LINUX RESTART (2 CPU) 04:40:01 CPU %user %nice %system %iowait %steal %idle 04:50:22 all 10.76 0.00 1.53 0.45 0.06 87.20 04:50:22 0 6.73 0.00 1.32 0.11 0.05 91.79 04:50:22 1 14.80 0.00 1.75 0.79 0.06 82.60 05:00:01 all 5.87 0.00 0.81 0.05 0.07 93.20 05:00:01 0 5.82 0.00 0.85 0.09 0.07 93.17 05:00:01 1 5.91 0.00 0.78 0.02 0.07 93.23 05:10:01 all 5.30 0.00 0.63 0.41 0.06 93.60 05:10:01 0 6.35 0.00 0.63 0.37 0.06 92.59 05:10:01 1 4.26 0.00 0.64 0.45 0.05 94.60 Average: all 7.37 0.00 1.00 0.31 0.06 91.26 Average: 0 6.31 0.00 0.94 0.19 0.06 92.50 Average: 1 8.43 0.00 1.06 0.43 0.06 90.02