---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-878 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 739 5423 4 2064 7202 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:27:67:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84694sec preferred_lft 84694sec inet6 fe80::f816:3eff:fe27:67e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-878) 03/17/26 _x86_64_ (2 CPU) 13:55:52 LINUX RESTART (2 CPU) 14:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:20 1.27 0.03 1.25 0.00 1.24 15.01 0.12 14:20:11 14.92 1.80 12.13 0.99 119.27 2051.05 384.60 Average: 8.05 0.91 6.65 0.49 59.83 1025.73 190.98 14:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:20 6299948 7547692 273432 3.36 30568 1422896 518936 5.65 439276 1183136 132 14:20:11 5661324 7472168 313920 3.86 68512 1918356 548804 5.98 505788 1700116 236 Average: 5980636 7509930 293676 3.61 49540 1670626 533870 5.81 472532 1441626 184 14:00:20 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 0.64 0.04 0.06 0.01 0.00 0.00 0.00 0.00 14:20:11 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 14:20:11 ens3 42.91 27.19 263.75 12.08 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 21.62 13.52 130.96 6.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-878) 03/17/26 _x86_64_ (2 CPU) 13:55:52 LINUX RESTART (2 CPU) 14:00:20 CPU %user %nice %system %iowait %steal %idle 14:10:20 all 0.27 0.00 0.08 0.14 0.04 99.49 14:10:20 0 0.20 0.00 0.08 0.15 0.04 99.54 14:10:20 1 0.34 0.00 0.07 0.13 0.03 99.43 14:20:11 all 5.93 0.00 0.93 1.62 0.04 91.47 14:20:11 0 7.09 0.00 1.13 1.90 0.04 89.84 14:20:11 1 4.78 0.00 0.74 1.35 0.04 93.09 Average: all 3.08 0.00 0.50 0.87 0.04 95.51 Average: 0 3.61 0.00 0.60 1.01 0.04 94.73 Average: 1 2.54 0.00 0.40 0.73 0.04 96.29