---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29950 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 758 5215 4 2260 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:b6:62:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83985sec preferred_lft 83985sec inet6 fe80::f816:3eff:feb6:627f/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-29950) 06/24/26 _x86_64_ (2 CPU) 00:41:30 LINUX RESTART (2 CPU) 00:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:15 1.61 0.01 1.57 0.03 0.05 19.67 1.55 01:10:14 1.23 0.00 1.21 0.02 0.00 14.56 1.09 01:20:08 6.64 0.08 4.95 1.61 5.84 504.64 2456.90 Average: 3.15 0.03 2.57 0.55 1.95 178.59 814.64 00:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:15 5193364 7387508 379516 4.67 86104 2268516 617544 6.73 588684 2030892 132 01:10:14 5192916 7387568 379444 4.67 86268 2268868 617744 6.73 588800 2031400 188 01:20:08 5444196 7458628 317504 3.90 89180 2093868 561772 6.12 552228 1857808 1396 Average: 5276825 7411235 358821 4.41 87184 2210417 599020 6.52 576571 1973367 572 00:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.93 0.15 0.13 0.04 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.71 0.19 5.73 0.05 0.00 0.00 0.00 0.00 01:20:08 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 01:20:08 ens3 9.08 6.15 10.42 3.05 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.56 2.15 5.41 1.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29950) 06/24/26 _x86_64_ (2 CPU) 00:41:30 LINUX RESTART (2 CPU) 00:50:15 CPU %user %nice %system %iowait %steal %idle 01:00:15 all 0.44 0.00 0.25 0.01 0.04 99.27 01:00:15 0 0.41 0.00 0.26 0.01 0.04 99.29 01:00:15 1 0.47 0.00 0.24 0.01 0.03 99.26 01:10:14 all 0.41 0.00 0.13 0.01 0.04 99.42 01:10:14 0 0.25 0.00 0.16 0.01 0.05 99.53 01:10:14 1 0.57 0.00 0.10 0.01 0.03 99.30 01:20:08 all 4.21 0.00 0.54 0.09 0.04 95.11 01:20:08 0 2.58 0.00 0.51 0.10 0.04 96.78 01:20:08 1 5.84 0.00 0.58 0.09 0.04 93.45 Average: all 1.68 0.00 0.31 0.03 0.04 97.94 Average: 0 1.07 0.00 0.31 0.04 0.04 98.54 Average: 1 2.28 0.00 0.30 0.03 0.03 97.35