---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12664 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 796 5131 4 2303 7145 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:76:e2:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84242sec preferred_lft 84242sec inet6 fe80::f816:3eff:fe76:e26d/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-12664) 05/11/26 _x86_64_ (2 CPU) 03:07:55 LINUX RESTART (2 CPU) 03:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:16 9.31 1.28 6.94 1.09 111.09 1170.57 421.38 03:30:16 1.14 0.01 1.12 0.02 0.05 121.93 0.51 03:40:16 0.96 0.00 0.96 0.00 0.00 42.35 0.00 Average: 3.81 0.43 3.01 0.37 37.05 444.95 140.63 03:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:16 5273968 7398268 373512 4.59 84044 2204492 719060 7.83 611856 1966768 2020 03:30:16 5237496 7393356 377684 4.64 84212 2235612 719808 7.84 613092 1997920 656 03:40:16 5229000 7393508 377516 4.64 84344 2244004 753048 8.20 613472 2006444 172 Average: 5246821 7395044 376237 4.63 84200 2228036 730639 7.96 612807 1990377 949 03:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:16 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 03:20:16 ens3 73.61 54.82 57.89 12.01 0.00 0.00 0.00 0.00 03:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:16 ens3 62.11 61.36 27.44 6.02 0.00 0.00 0.00 0.00 03:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:16 ens3 29.97 26.07 9.38 3.25 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 55.23 47.42 31.57 7.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12664) 05/11/26 _x86_64_ (2 CPU) 03:07:55 LINUX RESTART (2 CPU) 03:10:16 CPU %user %nice %system %iowait %steal %idle 03:20:16 all 9.39 0.00 1.14 0.18 0.05 89.25 03:20:16 0 10.56 0.00 1.20 0.14 0.05 88.06 03:20:16 1 8.22 0.00 1.08 0.21 0.05 90.44 03:30:16 all 6.64 0.00 0.93 0.01 0.06 92.36 03:30:16 0 6.65 0.00 1.00 0.01 0.06 92.28 03:30:16 1 6.64 0.00 0.86 0.01 0.06 92.44 03:40:16 all 5.12 0.00 0.49 0.01 0.06 94.33 03:40:16 0 6.27 0.00 0.54 0.01 0.06 93.12 03:40:16 1 3.97 0.00 0.44 0.00 0.05 95.54 Average: all 7.05 0.00 0.85 0.06 0.05 91.98 Average: 0 7.83 0.00 0.92 0.06 0.05 91.14 Average: 1 6.27 0.00 0.79 0.07 0.05 92.81