---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9794 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 815 5096 4 2319 7126 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:96:7a:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84257sec preferred_lft 84257sec inet6 fe80::f816:3eff:fe96:7aff/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-9794) 04/30/26 _x86_64_ (2 CPU) 02:57:18 LINUX RESTART (2 CPU) 03:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:04 9.86 1.47 7.38 1.01 136.37 1209.75 415.28 03:20:04 1.36 0.01 1.35 0.00 0.07 115.54 0.33 03:30:05 1.53 0.00 1.51 0.02 0.00 48.10 0.32 Average: 4.25 0.49 3.41 0.34 45.46 457.63 138.59 03:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:04 5242248 7387612 384108 4.72 84216 2225264 712932 7.77 614940 1985644 2908 03:20:04 5216976 7390300 380752 4.68 84400 2252664 712932 7.77 615048 2013220 256 03:30:05 5208440 7391316 379496 4.67 84536 2261928 746592 8.13 615984 2022612 456 Average: 5222555 7389743 381452 4.69 84384 2246619 724152 7.89 615324 2007159 1207 03:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:04 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:04 ens3 76.90 58.30 61.74 12.26 0.00 0.00 0.00 0.00 03:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:04 ens3 47.55 44.14 24.00 4.86 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 28.02 24.02 9.38 3.12 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 50.82 42.15 31.70 6.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9794) 04/30/26 _x86_64_ (2 CPU) 02:57:18 LINUX RESTART (2 CPU) 03:00:04 CPU %user %nice %system %iowait %steal %idle 03:10:04 all 8.88 0.00 1.08 0.15 0.06 89.82 03:10:04 0 10.77 0.00 1.19 0.16 0.07 87.81 03:10:04 1 7.00 0.00 0.97 0.14 0.06 91.83 03:20:04 all 6.29 0.00 0.82 0.01 0.08 92.80 03:20:04 0 4.58 0.00 0.61 0.01 0.08 94.72 03:20:04 1 8.01 0.00 1.03 0.01 0.09 90.87 03:30:05 all 5.17 0.00 0.65 0.01 0.08 94.09 03:30:05 0 6.49 0.00 0.72 0.01 0.08 92.70 03:30:05 1 3.87 0.00 0.59 0.01 0.07 95.47 Average: all 6.79 0.00 0.85 0.06 0.07 92.23 Average: 0 7.29 0.00 0.84 0.06 0.07 91.74 Average: 1 6.29 0.00 0.86 0.05 0.07 92.73