---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8933 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 771 5035 4 2433 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:3c:63:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51390sec preferred_lft 51390sec inet6 fe80::f816:3eff:fe3c:6357/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8933) 04/29/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.85 0.01 1.82 0.01 0.81 21.48 0.24 00:20:03 1.86 0.11 1.73 0.03 3.05 23.88 534.69 00:30:01 22.66 3.15 17.25 2.26 229.92 3162.45 904.05 00:40:01 1.83 0.01 1.82 0.00 1.03 284.33 0.00 Average: 7.04 0.82 5.65 0.57 58.59 871.43 359.55 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6082548 7479588 328904 4.04 54200 1538952 744892 8.11 482912 1309252 240 00:20:03 6118276 7476928 331464 4.08 54320 1500408 742604 8.09 481608 1270580 264 00:30:01 5234104 7429132 331580 4.08 103628 2246724 768416 8.37 564980 2020664 2404 00:40:01 5141060 7422408 337612 4.15 103708 2332348 767336 8.36 563952 2106264 8944 Average: 5643997 7452014 332390 4.09 78964 1904608 755812 8.23 523363 1676690 2963 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.23 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:03 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:03 ens3 0.15 0.04 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.31 1.31 0.11 0.11 0.00 0.00 0.00 0.00 00:30:01 ens3 59.53 44.08 302.43 11.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 18.17 15.15 74.40 4.23 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 19.49 14.81 94.08 3.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8933) 04/29/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.01 0.02 99.63 00:10:01 0 0.10 0.00 0.11 0.01 0.03 99.74 00:10:01 1 0.37 0.00 0.08 0.01 0.02 99.52 00:20:03 all 0.60 0.00 0.21 0.01 0.02 99.15 00:20:03 0 0.67 0.00 0.17 0.01 0.02 99.13 00:20:03 1 0.54 0.00 0.26 0.01 0.03 99.17 00:30:01 all 10.47 0.00 1.72 0.48 0.04 87.29 00:30:01 0 12.19 0.00 1.89 0.43 0.04 85.45 00:30:01 1 8.75 0.00 1.56 0.52 0.04 89.13 00:40:01 all 5.47 0.00 0.22 0.02 0.07 94.23 00:40:01 0 2.81 0.00 0.17 0.02 0.05 96.95 00:40:01 1 8.12 0.00 0.27 0.02 0.08 91.51 Average: all 4.19 0.00 0.56 0.13 0.04 95.08 Average: 0 3.94 0.00 0.59 0.12 0.04 95.33 Average: 1 4.44 0.00 0.54 0.14 0.04 94.84