---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66589 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 790 5259 4 2180 7151 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:18:80:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84030sec preferred_lft 84030sec inet6 fe80::f816:3eff:fe18:8016/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66589) 04/05/26 _x86_64_ (2 CPU) 00:22:32 LINUX RESTART (2 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:23 13.49 1.72 10.81 0.95 113.53 2045.93 255.13 00:50:04 10.67 1.31 8.04 1.32 114.37 1179.62 596.98 01:00:01 15.56 0.32 1.71 13.53 39.32 81.01 107307.95 Average: 13.27 1.12 6.90 5.25 89.17 1114.31 35894.89 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:23 5525036 7342092 443640 5.46 68508 1924684 674452 7.35 611936 1707888 124 00:50:04 5285124 7367156 405332 4.98 84224 2162628 672652 7.33 618100 1932440 188 01:00:01 5214784 7326792 445024 5.47 84500 2192196 879212 9.58 635780 1951192 196 Average: 5341648 7345347 431332 5.30 79077 2093169 742105 8.08 621939 1863840 169 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:23 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 00:40:23 ens3 37.89 21.53 250.23 5.91 0.00 0.00 0.00 0.00 00:50:04 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:50:04 ens3 34.34 24.82 53.67 6.15 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 13.47 12.44 110.81 1.13 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 28.64 19.57 140.54 4.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66589) 04/05/26 _x86_64_ (2 CPU) 00:22:32 LINUX RESTART (2 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:23 all 5.35 0.00 0.83 0.32 0.04 93.46 00:40:23 0 5.59 0.00 0.78 0.31 0.04 93.29 00:40:23 1 5.12 0.00 0.88 0.33 0.04 93.63 00:50:04 all 6.04 0.00 0.96 0.24 0.07 92.69 00:50:04 0 4.86 0.00 0.86 0.33 0.05 93.89 00:50:04 1 7.22 0.00 1.05 0.16 0.08 91.49 01:00:01 all 1.02 0.00 0.31 0.04 0.07 98.56 01:00:01 0 1.08 0.00 0.35 0.08 0.08 98.41 01:00:01 1 0.95 0.00 0.28 0.01 0.06 98.70 Average: all 4.14 0.00 0.70 0.20 0.06 94.90 Average: 0 3.86 0.00 0.66 0.24 0.06 95.18 Average: 1 4.41 0.00 0.74 0.17 0.06 94.62