---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28552 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 772 5110 4 2359 7169 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:80:43:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51996sec preferred_lft 51996sec inet6 fe80::f816:3eff:fe80:43eb/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-28552) 06/20/26 _x86_64_ (2 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.82 0.02 1.79 0.02 0.82 21.36 218.67 00:20:13 1.84 0.10 1.72 0.02 2.99 23.69 496.65 00:30:13 1.88 0.00 1.87 0.01 0.00 20.66 0.31 00:40:05 23.93 3.03 18.60 2.30 228.94 3464.91 1001.76 Average: 7.30 0.78 5.94 0.58 57.47 871.63 428.27 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6093940 7497140 311632 3.83 56500 1542560 567180 6.18 491448 1315560 356 00:20:13 6113572 7478784 329868 4.06 56656 1504348 565144 6.16 490076 1277288 276 00:30:13 6124756 7490400 318184 3.91 56760 1504672 565460 6.16 490344 1277716 216 00:40:05 5342844 7438712 326776 4.02 106840 2148348 597424 6.51 563336 1926352 1908 Average: 5918778 7476259 321615 3.95 69189 1674982 573802 6.25 508801 1449229 689 00:00:08 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 0.26 0.06 0.08 0.03 0.00 0.00 0.00 0.00 00:20:13 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:13 ens3 0.22 0.08 0.07 0.03 0.00 0.00 0.00 0.00 00:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:13 ens3 0.72 0.30 0.20 1.72 0.00 0.00 0.00 0.00 00:40:05 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:05 ens3 70.97 49.90 321.58 12.13 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.82 12.42 79.45 3.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28552) 06/20/26 _x86_64_ (2 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.11 0.01 0.02 99.59 00:10:01 0 0.47 0.00 0.09 0.01 0.01 99.42 00:10:01 1 0.07 0.00 0.13 0.01 0.02 99.77 00:20:13 all 0.65 0.00 0.22 0.01 0.02 99.10 00:20:13 0 0.45 0.00 0.25 0.01 0.02 99.27 00:20:13 1 0.84 0.00 0.20 0.01 0.02 98.93 00:30:13 all 0.23 0.00 0.17 0.01 0.02 99.58 00:30:13 0 0.17 0.00 0.18 0.01 0.02 99.63 00:30:13 1 0.29 0.00 0.16 0.01 0.02 99.53 00:40:05 all 14.21 0.00 1.95 0.45 0.05 83.34 00:40:05 0 14.26 0.00 1.90 0.52 0.05 83.26 00:40:05 1 14.17 0.00 1.99 0.37 0.05 83.42 Average: all 3.79 0.00 0.61 0.12 0.03 95.45 Average: 0 3.79 0.00 0.60 0.13 0.03 95.45 Average: 1 3.80 0.00 0.61 0.10 0.03 95.46