---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16140 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 7.9G 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 773 5232 4 2224 7168 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:18:15:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85010sec preferred_lft 85010sec inet6 fe80::f816:3eff:fe18:156c/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-16140) 05/18/26 _x86_64_ (2 CPU) 01:57:19 LINUX RESTART (2 CPU) 02:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:06 9.34 1.28 7.05 1.02 110.97 1139.45 277.98 02:20:01 5.09 0.09 3.77 1.23 6.60 406.37 2228.69 Average: 7.22 0.69 5.41 1.12 59.02 774.55 1248.96 02:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:06 5277780 7383920 388316 4.77 84092 2186424 705172 7.68 620380 1955824 1752 02:20:01 5392432 7371740 409244 5.03 86704 2064980 632548 6.89 614920 1835248 14308 Average: 5335106 7377830 398780 4.90 85398 2125702 668860 7.29 617650 1895536 8030 02:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:06 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 02:10:06 ens3 106.20 87.97 60.18 14.22 0.00 0.00 0.00 0.00 02:20:01 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 02:20:01 ens3 61.61 57.47 29.76 14.98 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 84.01 72.79 45.04 14.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16140) 05/18/26 _x86_64_ (2 CPU) 01:57:19 LINUX RESTART (2 CPU) 02:00:06 CPU %user %nice %system %iowait %steal %idle 02:10:06 all 9.72 0.00 1.58 0.15 0.06 88.49 02:10:06 0 11.63 0.00 1.84 0.15 0.06 86.32 02:10:06 1 7.82 0.00 1.32 0.15 0.06 90.65 02:20:01 all 10.04 0.00 1.27 0.18 0.07 88.45 02:20:01 0 9.51 0.00 1.17 0.26 0.07 89.00 02:20:01 1 10.56 0.00 1.38 0.09 0.07 87.90 Average: all 9.88 0.00 1.43 0.16 0.06 88.47 Average: 0 10.58 0.00 1.51 0.21 0.06 87.65 Average: 1 9.19 0.00 1.35 0.12 0.06 89.28