---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12412 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 763 5127 4 2340 7178 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:95:df:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84919sec preferred_lft 84919sec inet6 fe80::f816:3eff:fe95:df01/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12412) 05/10/26 _x86_64_ (2 CPU) 00:17:05 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:05 18.38 2.98 13.71 1.69 225.26 2336.02 485.13 00:40:18 5.41 0.21 4.64 0.56 8.06 1117.59 257.85 Average: 11.84 1.58 9.14 1.12 115.84 1722.20 370.63 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:05 5201572 7323964 445912 5.48 81980 2202516 670056 7.30 629264 1969732 229140 00:40:18 5259460 7446056 322688 3.97 84884 2265032 583600 6.36 555764 2034600 4548 Average: 5230516 7385010 384300 4.73 83432 2233774 626828 6.83 592514 2002166 116844 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:05 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:30:05 ens3 46.79 27.08 295.86 6.94 0.00 0.00 0.00 0.00 00:40:18 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:40:18 ens3 48.72 39.90 106.60 9.16 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 47.76 33.54 200.52 8.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12412) 05/10/26 _x86_64_ (2 CPU) 00:17:05 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:05 all 8.93 0.00 1.40 0.45 0.05 89.16 00:30:05 0 11.77 0.00 1.69 0.55 0.05 85.95 00:30:05 1 6.10 0.00 1.11 0.36 0.05 92.38 00:40:18 all 8.60 0.00 0.61 0.07 0.06 90.65 00:40:18 0 10.25 0.00 0.58 0.04 0.06 89.07 00:40:18 1 6.96 0.00 0.65 0.09 0.07 92.24 Average: all 8.77 0.00 1.00 0.26 0.06 89.91 Average: 0 11.00 0.00 1.13 0.29 0.05 87.52 Average: 1 6.53 0.00 0.88 0.22 0.06 92.31