---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3840 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 758 5101 4 2378 7183 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:6a:cd:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83666sec preferred_lft 83666sec inet6 fe80::f816:3eff:fe6a:cded/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-3840) 04/17/26 _x86_64_ (2 CPU) 02:58:48 LINUX RESTART (2 CPU) 03:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:18 15.36 1.74 11.91 1.70 125.19 2375.50 481.51 03:20:13 1.31 0.01 1.30 0.01 0.07 24.16 0.40 03:30:18 1.38 0.00 1.37 0.02 0.00 21.68 0.58 03:40:18 1.87 0.32 1.54 0.02 40.07 75.47 0.41 Average: 5.03 0.52 4.06 0.44 41.69 631.70 122.27 03:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:18 5340044 7420920 351492 4.32 84640 2160800 606912 6.61 582456 1930888 152 03:20:13 5330216 7414028 358172 4.40 84828 2163536 613320 6.68 589084 1933824 156 03:30:18 5319652 7405248 366884 4.51 84960 2165164 614980 6.70 590660 1935600 212 03:40:18 5270040 7384992 387056 4.76 85252 2194108 613416 6.68 600892 1953468 176 Average: 5314988 7406297 365901 4.50 84920 2170902 612157 6.67 590773 1938445 174 03:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:18 lo 1.23 1.23 0.09 0.09 0.00 0.00 0.00 0.00 03:10:18 ens3 12.58 8.75 97.83 2.13 0.00 0.00 0.00 0.00 03:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:13 ens3 0.51 0.18 0.09 0.05 0.00 0.00 0.00 0.00 03:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:18 ens3 0.54 0.29 0.15 0.10 0.00 0.00 0.00 0.00 03:40:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:18 ens3 0.96 0.52 3.20 0.12 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 3.68 2.46 25.63 0.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3840) 04/17/26 _x86_64_ (2 CPU) 02:58:48 LINUX RESTART (2 CPU) 03:00:08 CPU %user %nice %system %iowait %steal %idle 03:10:18 all 7.26 0.00 1.06 0.41 0.04 91.23 03:10:18 0 6.60 0.00 1.02 0.38 0.05 91.95 03:10:18 1 7.91 0.00 1.09 0.44 0.04 90.52 03:20:13 all 1.18 0.00 0.13 0.01 0.04 98.63 03:20:13 0 1.72 0.00 0.16 0.01 0.06 98.06 03:20:13 1 0.64 0.00 0.11 0.02 0.03 99.21 03:30:18 all 1.11 0.00 0.22 0.01 0.05 98.62 03:30:18 0 1.15 0.00 0.21 0.01 0.05 98.58 03:30:18 1 1.07 0.00 0.22 0.01 0.05 98.65 03:40:18 all 1.05 0.00 0.17 0.03 0.06 98.70 03:40:18 0 0.79 0.00 0.15 0.05 0.03 98.98 03:40:18 1 1.31 0.00 0.19 0.01 0.08 98.41 Average: all 2.67 0.00 0.40 0.12 0.05 96.77 Average: 0 2.58 0.00 0.39 0.11 0.05 96.87 Average: 1 2.76 0.00 0.41 0.12 0.05 96.67