---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64979 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: 5600.00 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 764 5215 4 2251 7177 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:c8:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84608sec preferred_lft 84608sec inet6 fe80::f816:3eff:fe18:c888/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64979) 04/01/26 _x86_64_ (2 CPU) 01:52:40 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:10 1.47 0.02 1.44 0.02 0.73 106.45 1.37 02:20:10 1.32 0.00 1.30 0.02 0.01 89.23 1.20 Average: 1.39 0.01 1.37 0.02 0.37 97.85 1.29 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:10 5300560 7403488 368528 4.53 84036 2183568 705116 7.68 596792 1952676 256 02:20:10 5277960 7403724 368032 4.53 84208 2206056 754728 8.22 597028 1975312 504 Average: 5289260 7403606 368280 4.53 84122 2194812 729922 7.95 596910 1963994 380 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 43.47 41.49 17.79 5.11 0.00 0.00 0.00 0.00 02:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:10 ens3 55.00 52.61 33.10 4.69 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 49.23 47.05 25.44 4.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64979) 04/01/26 _x86_64_ (2 CPU) 01:52:40 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:10 all 8.13 0.00 0.98 0.01 0.07 90.81 02:10:10 0 4.34 0.00 0.62 0.01 0.06 94.97 02:10:10 1 11.95 0.00 1.35 0.01 0.07 86.62 02:20:10 all 5.69 0.00 0.81 0.01 0.07 93.42 02:20:10 0 6.59 0.00 0.93 0.01 0.07 92.40 02:20:10 1 4.79 0.00 0.70 0.01 0.07 94.43 Average: all 6.91 0.00 0.90 0.01 0.07 92.11 Average: 0 5.47 0.00 0.77 0.01 0.06 93.69 Average: 1 8.37 0.00 1.02 0.01 0.07 90.53