---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16929 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 762 5254 4 2213 7179 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:b9:1f:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84275sec preferred_lft 84275sec inet6 fe80::f816:3eff:feb9:1f71/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16929) 05/20/26 _x86_64_ (2 CPU) 00:29:17 LINUX RESTART (2 CPU) 00:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 37.47 2.90 18.70 15.87 222.45 3312.08 108948.27 00:50:06 1.40 0.01 1.39 0.01 0.05 44.73 0.50 01:00:07 1.59 0.00 1.58 0.01 0.35 66.95 0.81 Average: 13.38 0.96 7.17 5.25 73.63 1131.61 35994.81 00:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 5326720 7419432 352688 4.34 84860 2172096 641628 6.99 584036 1941868 276 00:50:06 5299752 7401032 370848 4.56 84996 2180536 659324 7.18 601624 1950436 148 01:00:07 5246588 7362508 409276 5.03 85132 2195028 697304 7.60 630784 1964968 632 Average: 5291020 7394324 377604 4.64 84996 2182553 666085 7.25 605481 1952424 352 00:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.90 1.90 0.14 0.14 0.00 0.00 0.00 0.00 00:40:01 ens3 38.60 28.31 291.31 7.12 0.00 0.00 0.00 0.00 00:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 9.24 6.48 1.57 1.69 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 15.03 13.27 2.78 5.49 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 20.87 15.96 97.70 4.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16929) 05/20/26 _x86_64_ (2 CPU) 00:29:17 LINUX RESTART (2 CPU) 00:30:06 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 11.35 0.00 1.71 0.50 0.06 86.38 00:40:01 0 8.55 0.00 1.43 0.23 0.05 89.74 00:40:01 1 14.14 0.00 1.99 0.78 0.06 83.03 00:50:06 all 3.39 0.00 0.24 0.01 0.07 96.28 00:50:06 0 3.31 0.00 0.24 0.00 0.07 96.37 00:50:06 1 3.47 0.00 0.24 0.01 0.08 96.20 01:00:07 all 5.51 0.00 0.60 0.01 0.07 93.81 01:00:07 0 4.55 0.00 0.50 0.01 0.07 94.88 01:00:07 1 6.48 0.00 0.70 0.01 0.08 92.73 Average: all 6.73 0.00 0.85 0.17 0.07 92.18 Average: 0 5.46 0.00 0.72 0.08 0.06 93.68 Average: 1 8.00 0.00 0.97 0.27 0.07 90.69