---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37478 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 743 5280 4 2208 7198 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:77:f9:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83965sec preferred_lft 83965sec inet6 fe80::f816:3eff:fe77:f97a/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-37478) 07/21/26 _x86_64_ (2 CPU) 01:57:52 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:02 11.96 0.28 10.66 1.02 19.36 2143.27 2178.61 02:20:02 3.19 0.07 2.66 0.46 6.80 100.11 38.47 02:30:02 2.31 0.26 1.85 0.20 32.03 81.87 3.27 Average: 5.82 0.20 5.06 0.56 19.40 775.08 740.11 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:02 5475964 7396224 384440 4.73 70740 2020956 629468 6.86 577340 1805020 228 02:20:02 5532188 7456604 323572 3.98 72268 2023308 557088 6.07 499912 1807028 236 02:30:02 5517916 7469576 310392 3.82 72588 2050176 557296 6.07 509220 1825140 176 Average: 5508689 7440801 339468 4.17 71865 2031480 581284 6.33 528824 1812396 213 02:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:02 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 02:10:02 ens3 15.14 10.29 151.98 1.41 0.00 0.00 0.00 0.00 02:20:02 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 02:20:02 ens3 3.15 1.55 0.89 0.54 0.00 0.00 0.00 0.00 02:30:02 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 02:30:02 ens3 2.70 1.61 3.40 0.16 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 7.00 4.48 52.09 0.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37478) 07/21/26 _x86_64_ (2 CPU) 01:57:52 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:02 all 4.31 0.00 0.64 1.00 0.02 94.03 02:10:02 0 5.32 0.00 0.77 1.58 0.02 92.31 02:10:02 1 3.31 0.00 0.50 0.42 0.03 95.74 02:20:02 all 1.83 0.00 0.28 0.77 0.02 97.11 02:20:02 0 0.81 0.00 0.24 0.30 0.02 98.63 02:20:02 1 2.84 0.00 0.31 1.24 0.02 95.58 02:30:02 all 0.49 0.00 0.48 0.24 0.02 98.76 02:30:02 0 0.41 0.00 0.45 0.19 0.02 98.92 02:30:02 1 0.56 0.00 0.51 0.30 0.02 98.60 Average: all 2.21 0.00 0.47 0.67 0.02 96.63 Average: 0 2.18 0.00 0.49 0.69 0.02 96.62 Average: 1 2.24 0.00 0.44 0.65 0.02 96.64