---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2435 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 764 5210 4 2263 7177 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:b2:9e:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7258sec preferred_lft 7258sec inet6 fe80::f816:3eff:feb2:9e88/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2435) 04/14/26 _x86_64_ (2 CPU) 00:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.82 0.02 1.79 0.02 0.82 21.37 0.23 00:20:01 1.83 0.11 1.69 0.03 3.05 23.96 153.89 00:30:04 1.82 0.00 1.79 0.03 0.00 20.53 0.86 00:40:05 22.41 3.00 17.18 2.23 226.03 3125.90 652.79 00:50:01 1.68 0.00 1.66 0.02 0.00 25.16 0.36 Average: 5.92 0.63 4.83 0.47 46.07 644.60 161.94 00:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6106876 7504916 304120 3.74 54268 1539700 548588 5.98 482096 1308960 124 00:20:01 6132312 7491976 316940 3.90 54408 1501112 545808 5.94 480572 1270296 272 00:30:04 6142376 7502668 306268 3.77 54532 1501600 545808 5.94 480816 1270780 232 00:40:05 5206952 7394072 367444 4.52 103364 2239108 651428 7.10 609504 2012004 320 00:50:01 5140980 7329972 431664 5.31 103472 2240948 681332 7.42 632268 2013952 124 Average: 5745899 7444721 345287 4.25 74009 1804494 594593 6.48 537051 1575198 214 00:00:02 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 0.21 0.05 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 0.14 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 0.50 0.12 0.18 0.10 0.00 0.00 0.00 0.00 00:40:05 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:05 ens3 61.08 43.19 298.80 11.81 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 13.10 9.91 72.88 1.08 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.01 10.67 74.41 2.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2435) 04/14/26 _x86_64_ (2 CPU) 00:00:02 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.22 0.00 0.10 0.01 0.03 99.64 00:10:01 0 0.40 0.00 0.09 0.02 0.02 99.46 00:10:01 1 0.04 0.00 0.10 0.01 0.04 99.81 00:20:01 all 0.63 0.00 0.22 0.01 0.03 99.10 00:20:01 0 0.45 0.00 0.24 0.01 0.04 99.26 00:20:01 1 0.82 0.00 0.20 0.01 0.02 98.95 00:30:04 all 0.23 0.00 0.17 0.01 0.03 99.56 00:30:04 0 0.08 0.00 0.19 0.01 0.04 99.68 00:30:04 1 0.39 0.00 0.14 0.01 0.02 99.44 00:40:05 all 10.89 0.00 1.69 0.52 0.06 86.85 00:40:05 0 9.82 0.00 1.50 0.36 0.06 88.26 00:40:05 1 11.95 0.00 1.88 0.68 0.05 85.44 00:50:01 all 0.83 0.00 0.20 0.03 0.07 98.87 00:50:01 0 0.80 0.00 0.20 0.01 0.07 98.93 00:50:01 1 0.87 0.00 0.21 0.05 0.07 98.81 Average: all 2.56 0.00 0.47 0.12 0.04 96.80 Average: 0 2.31 0.00 0.44 0.08 0.05 97.12 Average: 1 2.82 0.00 0.51 0.15 0.04 96.49