---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16084 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 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 737 5223 4 2270 7204 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:5a:74:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82559sec preferred_lft 82559sec inet6 fe80::f816:3eff:fe5a:7437/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16084) 05/18/26 _x86_64_ (2 CPU) 00:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:05 1.52 0.01 1.47 0.03 0.81 18.38 436.74 00:20:01 1.44 0.11 1.31 0.02 3.50 17.41 410.75 00:30:05 15.77 1.55 1.72 12.49 126.24 154.22 109416.38 00:40:05 25.14 1.95 19.55 3.63 144.35 3605.80 2616.33 Average: 10.99 0.91 6.01 4.06 68.89 948.92 28371.46 00:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:05 6291860 7544084 276548 3.40 31060 1426784 535668 5.83 446680 1188588 180 00:20:01 6269452 7522308 298192 3.67 31364 1427040 534532 5.82 446684 1188932 184 00:30:05 6057664 7417144 398448 4.90 38488 1522460 830428 9.04 582836 1270060 20916 00:40:05 5441312 7469716 310672 3.82 88476 2111652 574376 6.26 552152 1873924 28884 Average: 6015072 7488313 320965 3.95 47347 1621984 618751 6.74 507088 1380376 12541 00:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:05 ens3 0.29 0.04 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.22 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:05 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 16.49 8.34 53.61 4.49 0.00 0.00 0.00 0.00 00:40:05 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 00:40:05 ens3 66.05 51.27 296.31 19.44 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.78 14.93 87.56 6.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16084) 05/18/26 _x86_64_ (2 CPU) 00:00:04 CPU %user %nice %system %iowait %steal %idle 00:10:05 all 0.28 0.00 0.11 0.07 0.03 99.52 00:10:05 0 0.07 0.00 0.12 0.12 0.03 99.66 00:10:05 1 0.48 0.00 0.09 0.03 0.03 99.38 00:20:01 all 0.47 0.00 0.20 0.01 0.03 99.29 00:20:01 0 0.26 0.00 0.19 0.01 0.03 99.51 00:20:01 1 0.68 0.00 0.20 0.01 0.03 99.07 00:30:05 all 1.04 0.00 0.33 0.06 0.03 98.54 00:30:05 0 1.16 0.00 0.35 0.07 0.03 98.39 00:30:05 1 0.91 0.00 0.31 0.05 0.03 98.69 00:40:05 all 18.39 0.00 1.96 0.61 0.07 78.96 00:40:05 0 18.95 0.00 2.03 0.83 0.07 78.12 00:40:05 1 17.84 0.00 1.90 0.39 0.07 79.80 Average: all 5.03 0.00 0.65 0.19 0.04 94.09 Average: 0 5.10 0.00 0.67 0.26 0.04 93.93 Average: 1 4.97 0.00 0.63 0.12 0.04 94.25