---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6555 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 767 5319 4 2142 7174 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:03:a3:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84168sec preferred_lft 84168sec inet6 fe80::f816:3eff:fe03:a3d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6555) 03/21/26 _x86_64_ (2 CPU) 01:53:01 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.26 0.01 1.24 0.01 0.05 15.11 0.96 02:20:01 1.21 0.00 1.21 0.00 0.01 14.78 0.00 02:30:02 6.90 0.08 5.19 1.63 6.13 267.51 3068.77 Average: 3.12 0.03 2.55 0.55 2.07 99.19 1023.91 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 5306652 7383644 388592 4.78 84056 2157636 665032 7.24 600372 1926752 184 02:20:01 5306652 7384124 388112 4.77 84180 2157992 665100 7.24 600664 1927232 120 02:30:02 5472104 7370592 410928 5.05 87604 1983940 678660 7.39 641548 1754976 25672 Average: 5361803 7379453 395877 4.87 85280 2099856 669597 7.29 614195 1869653 8659 02:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.83 0.36 0.11 0.74 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.58 0.21 0.26 0.03 0.00 0.00 0.00 0.00 02:30:02 lo 1.09 1.09 0.07 0.07 0.00 0.00 0.00 0.00 02:30:02 ens3 8.73 5.90 9.64 2.50 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 3.38 2.16 3.34 1.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6555) 03/21/26 _x86_64_ (2 CPU) 01:53:01 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.25 0.00 0.13 0.01 0.08 99.52 02:10:01 0 0.19 0.00 0.15 0.01 0.08 99.57 02:10:01 1 0.32 0.00 0.11 0.00 0.08 99.48 02:20:01 all 0.31 0.00 0.11 0.01 0.08 99.49 02:20:01 0 0.24 0.00 0.13 0.01 0.10 99.52 02:20:01 1 0.38 0.00 0.10 0.00 0.06 99.46 02:30:02 all 4.30 0.00 0.66 0.11 0.09 94.84 02:30:02 0 4.71 0.00 0.77 0.18 0.12 94.21 02:30:02 1 3.90 0.00 0.55 0.03 0.06 95.47 Average: all 1.62 0.00 0.30 0.04 0.08 97.95 Average: 0 1.71 0.00 0.35 0.07 0.10 97.77 Average: 1 1.53 0.00 0.25 0.01 0.07 98.14