---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-874 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 7.8G 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 747 5416 4 2063 7194 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:7f:4f:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84788sec preferred_lft 84788sec inet6 fe80::f816:3eff:fe7f:4f41/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-874) 03/17/26 _x86_64_ (2 CPU) 13:55:35 LINUX RESTART (2 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:20 1.29 0.02 1.27 0.00 1.20 15.43 0.12 14:20:21 15.23 1.79 12.08 1.37 118.31 2120.83 244.63 Average: 8.16 0.89 6.59 0.68 58.88 1052.33 120.54 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:20 6285944 7533052 287448 3.53 30596 1422412 523064 5.70 447468 1183260 176 14:20:21 5566436 7378536 406800 5.00 69748 1918300 650772 7.09 600652 1701688 124 Average: 5926190 7455794 347124 4.27 50172 1670356 586918 6.39 524060 1442474 150 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:10:20 ens3 0.63 0.03 0.06 0.01 0.00 0.00 0.00 0.00 14:20:21 lo 1.20 1.20 0.07 0.07 0.00 0.00 0.00 0.00 14:20:21 ens3 42.02 27.77 260.73 12.40 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 21.02 13.69 128.44 6.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-874) 03/17/26 _x86_64_ (2 CPU) 13:55:35 LINUX RESTART (2 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:20 all 0.28 0.00 0.08 0.16 0.02 99.46 14:10:20 0 0.31 0.00 0.08 0.11 0.02 99.49 14:10:20 1 0.25 0.00 0.08 0.22 0.02 99.43 14:20:21 all 7.01 0.00 1.03 2.91 0.04 89.01 14:20:21 0 7.23 0.00 1.04 4.18 0.04 87.51 14:20:21 1 6.79 0.00 1.03 1.64 0.04 90.51 Average: all 3.59 0.00 0.55 1.52 0.03 94.32 Average: 0 3.72 0.00 0.55 2.11 0.03 93.59 Average: 1 3.47 0.00 0.55 0.92 0.03 95.04