---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33254 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: 5599.94 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 771 5154 4 2308 7170 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:2d:51:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85034sec preferred_lft 85034sec inet6 fe80::f816:3eff:fe2d:5191/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33254) 07/06/26 _x86_64_ (2 CPU) 01:48:03 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 12.21 1.27 9.51 1.43 111.51 1574.35 435.19 02:10:30 5.77 0.08 4.26 1.43 5.90 422.52 1528.92 Average: 8.90 0.66 6.81 1.43 57.24 982.48 997.20 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 5217224 7401532 365760 4.50 85848 2259252 673836 7.34 584596 2029856 376 02:10:30 5359284 7423640 352524 4.33 88920 2144268 602040 6.56 566168 1916328 27768 Average: 5288254 7412586 359142 4.42 87384 2201760 637938 6.95 575382 1973092 14072 01:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:01 ens3 98.32 78.43 59.00 13.53 0.00 0.00 0.00 0.00 02:10:30 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 02:10:30 ens3 57.73 53.90 29.65 14.34 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 77.46 65.83 43.92 13.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33254) 07/06/26 _x86_64_ (2 CPU) 01:48:03 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 10.31 0.00 1.69 0.22 0.06 87.72 02:00:01 0 6.96 0.00 1.41 0.22 0.06 91.36 02:00:01 1 13.67 0.00 1.97 0.23 0.06 84.07 02:10:30 all 10.80 0.00 1.34 1.02 0.06 86.78 02:10:30 0 7.56 0.00 1.06 0.03 0.06 91.28 02:10:30 1 14.03 0.00 1.63 2.00 0.07 82.26 Average: all 10.56 0.00 1.51 0.63 0.06 87.24 Average: 0 7.27 0.00 1.23 0.12 0.06 91.32 Average: 1 13.86 0.00 1.80 1.14 0.06 83.14