---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16685 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 7.9G 30G 21% / 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 788 5177 4 2273 7153 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:95:1f:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8430sec preferred_lft 8430sec inet6 fe80::f816:3eff:fe95:1fb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16685) 05/20/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.78 0.01 1.75 0.01 0.81 21.26 0.21 00:20:11 1.84 0.10 1.70 0.03 3.00 23.83 521.19 00:30:37 22.23 3.02 17.05 2.16 219.78 3024.93 759.84 Average: 8.78 1.07 6.96 0.75 76.24 1046.80 432.32 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6103756 7501292 307452 3.78 54272 1539232 567176 6.18 502932 1309332 236 00:20:11 6125996 7485240 323388 3.98 54436 1500716 565112 6.16 501524 1270756 300 00:30:37 5229968 7429084 331656 4.08 104028 2250168 589908 6.43 573448 2024236 136 Average: 5819907 7471872 320832 3.95 70912 1763372 574065 6.25 525968 1534775 224 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 0.19 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:11 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:11 ens3 0.13 0.04 0.04 0.01 0.00 0.00 0.00 0.00 00:30:37 lo 1.64 1.64 0.11 0.11 0.00 0.00 0.00 0.00 00:30:37 ens3 39.47 28.40 287.87 8.14 0.00 0.00 0.00 0.00 Average: lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 13.57 9.72 98.24 2.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16685) 05/20/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.01 0.03 99.62 00:10:01 0 0.31 0.00 0.09 0.01 0.03 99.56 00:10:01 1 0.17 0.00 0.11 0.01 0.03 99.68 00:20:11 all 0.64 0.00 0.20 0.01 0.03 99.11 00:20:11 0 0.54 0.00 0.22 0.01 0.04 99.18 00:20:11 1 0.74 0.00 0.19 0.01 0.03 99.03 00:30:37 all 10.22 0.00 1.58 0.55 0.05 87.60 00:30:37 0 12.28 0.00 1.73 0.48 0.05 85.46 00:30:37 1 8.17 0.00 1.43 0.62 0.05 89.73 Average: all 3.78 0.00 0.64 0.19 0.04 95.35 Average: 0 4.47 0.00 0.69 0.17 0.04 94.63 Average: 1 3.09 0.00 0.59 0.22 0.04 96.07