---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-14259 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 817 5090 4 2323 7124 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:b9:e4:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84177sec preferred_lft 84177sec inet6 fe80::f816:3eff:feb9:e482/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14259) 05/14/26 _x86_64_ (2 CPU) 03:07:51 LINUX RESTART (2 CPU) 03:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:09 16.92 1.87 13.30 1.75 153.47 2522.82 584.38 03:30:09 1.63 0.01 1.59 0.03 0.05 121.69 1.31 03:40:09 1.23 0.00 1.22 0.02 0.00 60.37 1.08 Average: 6.64 0.63 5.41 0.60 51.64 909.01 197.36 03:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:09 5263696 7401352 370256 4.55 84008 2217624 706176 7.69 610152 1977228 568 03:30:09 5213240 7385300 385696 4.74 84200 2251560 708820 7.72 613236 2011384 3676 03:40:09 5216436 7399232 371672 4.57 84372 2261976 665304 7.25 611024 2021980 204 Average: 5231124 7395295 375875 4.62 84193 2243720 693433 7.55 611471 2003531 1483 03:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:09 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 03:20:09 ens3 82.66 57.96 120.73 12.40 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 52.51 52.03 25.88 5.28 0.00 0.00 0.00 0.00 03:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:09 ens3 27.84 25.87 17.07 2.97 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 54.46 45.34 54.86 6.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14259) 05/14/26 _x86_64_ (2 CPU) 03:07:51 LINUX RESTART (2 CPU) 03:10:00 CPU %user %nice %system %iowait %steal %idle 03:20:09 all 10.36 0.00 1.41 1.07 0.05 87.12 03:20:09 0 10.47 0.00 1.39 0.31 0.05 87.79 03:20:09 1 10.24 0.00 1.43 1.83 0.05 86.45 03:30:09 all 6.90 0.00 0.99 0.04 0.06 92.02 03:30:09 0 7.72 0.00 0.89 0.04 0.06 91.29 03:30:09 1 6.06 0.00 1.09 0.05 0.06 92.74 03:40:09 all 4.86 0.00 0.42 0.05 0.05 94.63 03:40:09 0 4.39 0.00 0.34 0.04 0.05 95.18 03:40:09 1 5.33 0.00 0.49 0.05 0.05 94.07 Average: all 7.39 0.00 0.94 0.39 0.05 91.23 Average: 0 7.54 0.00 0.87 0.13 0.05 91.40 Average: 1 7.23 0.00 1.01 0.65 0.05 91.06