---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19713 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: 5600.00 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 764 5054 4 2423 7177 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:ad:4f:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8479sec preferred_lft 8479sec inet6 fe80::f816:3eff:fead:4f45/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19713) 05/26/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.01 1.78 0.01 0.81 20.98 0.20 00:20:18 1.92 0.10 1.79 0.03 2.97 24.40 525.73 00:30:19 26.47 3.14 21.00 2.32 229.26 3467.90 1700.92 Average: 9.99 1.08 8.13 0.78 77.01 1160.79 740.43 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6108968 7505328 303188 3.73 54464 1537804 540616 5.89 471324 1309548 240 00:20:18 6154252 7512312 296104 3.64 54620 1499284 538412 5.86 470016 1270968 256 00:30:19 5169908 7439644 317276 3.90 105524 2316036 570656 6.22 563208 2093180 27660 Average: 5811043 7485761 305523 3.76 71536 1784375 549895 5.99 501516 1557899 9385 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.22 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:18 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:18 ens3 0.16 0.04 0.04 0.01 0.00 0.00 0.00 0.00 00:30:19 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:30:19 ens3 59.56 40.77 314.44 12.43 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 19.80 13.50 103.91 4.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19713) 05/26/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.05 0.03 99.58 00:10:01 0 0.43 0.00 0.09 0.04 0.02 99.41 00:10:01 1 0.05 0.00 0.12 0.06 0.03 99.74 00:20:18 all 0.64 0.00 0.23 0.02 0.03 99.08 00:20:18 0 0.74 0.00 0.20 0.01 0.02 99.02 00:20:18 1 0.54 0.00 0.26 0.03 0.04 99.14 00:30:19 all 11.65 0.00 1.80 3.33 0.05 83.17 00:30:19 0 11.80 0.00 1.85 2.80 0.05 83.51 00:30:19 1 11.50 0.00 1.75 3.86 0.05 82.84 Average: all 4.14 0.00 0.71 1.12 0.03 93.99 Average: 0 4.29 0.00 0.71 0.94 0.03 94.03 Average: 1 4.00 0.00 0.70 1.30 0.04 93.96