---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12480 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 8.0G 30G 22% / 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 843 5086 4 2301 7098 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:49:db:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85027sec preferred_lft 85027sec inet6 fe80::f816:3eff:fe49:db62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12480) 05/10/26 _x86_64_ (2 CPU) 02:57:36 LINUX RESTART (2 CPU) 03:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 13.81 1.88 10.43 1.50 156.23 1868.70 713.52 03:20:00 5.10 0.11 3.85 1.14 7.16 556.43 1793.91 Average: 9.43 0.99 7.12 1.32 81.25 1208.63 1256.96 03:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5262544 7396528 374488 4.60 84144 2213792 893788 9.74 610920 1973868 764 03:20:00 5242876 7298772 480872 5.91 86632 2141316 891764 9.71 713732 1902020 13392 Average: 5252710 7347650 427680 5.26 85388 2177554 892776 9.72 662326 1937944 7078 03:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.20 1.20 0.07 0.07 0.00 0.00 0.00 0.00 03:10:01 ens3 107.51 88.64 59.85 13.98 0.00 0.00 0.00 0.00 03:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 03:20:00 ens3 105.50 100.59 43.72 30.09 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 106.50 94.65 51.73 22.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12480) 05/10/26 _x86_64_ (2 CPU) 02:57:36 LINUX RESTART (2 CPU) 03:00:10 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 10.55 0.00 1.54 1.22 0.05 86.64 03:10:01 0 8.62 0.00 1.38 1.57 0.05 88.38 03:10:01 1 12.49 0.00 1.69 0.87 0.05 84.90 03:20:00 all 12.49 0.00 1.39 0.11 0.06 85.95 03:20:00 0 15.71 0.00 1.55 0.13 0.06 82.55 03:20:00 1 9.28 0.00 1.23 0.08 0.06 89.35 Average: all 11.53 0.00 1.46 0.66 0.05 86.29 Average: 0 12.18 0.00 1.47 0.85 0.05 85.45 Average: 1 10.88 0.00 1.46 0.48 0.05 87.14