---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32974 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: 5600.00 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 774 5176 4 2283 7167 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:8c:15:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82901sec preferred_lft 82901sec inet6 fe80::f816:3eff:fe8c:15c1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32974) 07/05/26 _x86_64_ (2 CPU) 00:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 8.56 1.46 6.64 0.46 106.39 783.45 654.39 00:20:20 16.42 1.83 12.73 1.86 130.40 2644.79 401.91 00:30:24 6.11 0.09 4.57 1.45 6.19 273.21 1907.10 Average: 10.44 1.13 8.04 1.27 80.97 1253.36 988.66 00:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 5687580 7374956 418772 5.15 62332 1808136 859464 9.36 613188 1578964 208744 00:20:20 5180492 7386492 380336 4.68 87308 2278860 865860 9.43 609228 2042192 260 00:30:24 5394572 7431832 344016 4.23 90240 2115268 787404 8.58 573992 1879880 28916 Average: 5420881 7397760 381041 4.69 79960 2067421 837576 9.12 598803 1833679 79307 00:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 00:10:01 ens3 27.36 19.50 175.00 5.62 0.00 0.00 0.00 0.00 00:20:20 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:20:20 ens3 86.43 59.83 154.69 12.72 0.00 0.00 0.00 0.00 00:30:24 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:30:24 ens3 16.67 12.20 12.37 7.01 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 44.12 30.95 113.31 8.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32974) 07/05/26 _x86_64_ (2 CPU) 00:00:28 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 4.09 0.00 0.61 0.25 0.03 95.03 00:10:01 0 5.78 0.00 0.73 0.18 0.02 93.29 00:10:01 1 2.38 0.00 0.50 0.31 0.03 96.77 00:20:20 all 10.02 0.00 1.53 0.26 0.05 88.15 00:20:20 0 8.39 0.00 1.51 0.33 0.05 89.72 00:20:20 1 11.65 0.00 1.55 0.18 0.05 86.57 00:30:24 all 6.48 0.00 0.82 0.13 0.05 92.53 00:30:24 0 9.26 0.00 1.08 0.22 0.06 89.37 00:30:24 1 3.70 0.00 0.55 0.04 0.04 95.68 Average: all 6.93 0.00 1.00 0.21 0.04 91.82 Average: 0 7.85 0.00 1.12 0.25 0.05 90.74 Average: 1 6.02 0.00 0.88 0.18 0.04 92.89