---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22989 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 851 5028 4 2354 7090 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:cf:48:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83965sec preferred_lft 83965sec inet6 fe80::f816:3eff:fecf:484d/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-22989) 06/03/26 _x86_64_ (2 CPU) 04:47:37 LINUX RESTART (2 CPU) 04:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:00:00 12.45 1.53 9.51 1.40 142.05 1397.76 369.79 05:10:00 1.36 0.01 1.32 0.03 0.19 68.04 1.12 05:20:00 1.31 0.00 1.26 0.05 0.01 53.85 0.92 Average: 5.04 0.51 4.03 0.49 47.42 506.55 123.94 04:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:00:00 5177440 7378432 389700 4.79 85436 2276592 895832 9.76 609076 2038064 2184 05:10:00 5169328 7384340 383496 4.72 85628 2290296 873604 9.52 611524 2051960 172 05:20:00 5143376 7370744 396904 4.88 85852 2302268 903408 9.84 632792 2064148 564 Average: 5163381 7377839 390033 4.80 85639 2289719 890948 9.70 617797 2051391 973 04:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:00:00 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 05:00:00 ens3 89.39 73.63 59.22 13.21 0.00 0.00 0.00 0.00 05:10:00 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 05:10:00 ens3 24.45 24.85 7.05 2.15 0.00 0.00 0.00 0.00 05:20:00 lo 0.98 0.98 0.05 0.05 0.00 0.00 0.00 0.00 05:20:00 ens3 18.22 18.41 8.97 1.81 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 44.02 38.96 25.08 5.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22989) 06/03/26 _x86_64_ (2 CPU) 04:47:37 LINUX RESTART (2 CPU) 04:50:00 CPU %user %nice %system %iowait %steal %idle 05:00:00 all 10.00 0.00 1.77 0.32 0.06 87.87 05:00:00 0 9.54 0.00 1.87 0.37 0.05 88.17 05:00:00 1 10.46 0.00 1.66 0.26 0.06 87.56 05:10:00 all 4.47 0.00 0.64 0.14 0.71 94.03 05:10:00 0 4.44 0.00 0.52 0.02 0.94 94.08 05:10:00 1 4.50 0.00 0.76 0.27 0.49 93.98 05:20:00 all 4.89 0.00 0.77 0.02 0.58 93.74 05:20:00 0 6.24 0.00 0.93 0.01 0.94 91.88 05:20:00 1 3.54 0.00 0.62 0.03 0.22 95.60 Average: all 6.45 0.00 1.06 0.16 0.45 91.88 Average: 0 6.73 0.00 1.10 0.13 0.65 91.38 Average: 1 6.17 0.00 1.01 0.19 0.26 92.37