---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1882 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 755 5301 4 2173 7186 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:98:a5:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82529sec preferred_lft 82529sec inet6 fe80::f816:3eff:fe98:a50b/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-1882) 04/11/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.48 0.01 1.45 0.02 0.05 18.20 653.90 01:10:02 13.89 0.00 1.37 12.52 0.15 16.56 108940.71 01:20:01 1.37 0.00 1.35 0.02 0.01 15.78 1.20 01:30:01 1.32 0.00 1.29 0.03 0.00 16.56 654.85 01:40:06 2.20 0.71 1.46 0.03 54.45 103.89 1.35 Average: 4.05 0.15 1.38 2.52 10.99 34.29 22064.10 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6281548 7527692 292776 3.60 30696 1421332 525620 5.73 445472 1183516 124 01:10:02 6289160 7535876 284548 3.50 30900 1421696 525684 5.73 445724 1184056 180 01:20:01 6291060 7538324 282100 3.47 31108 1422036 525708 5.73 446256 1184604 136 01:30:01 6275896 7523704 296664 3.65 31312 1422360 526008 5.73 446560 1185132 144 01:40:06 6195856 7487364 332048 4.08 31856 1464908 763784 8.32 503096 1215516 516 Average: 6266704 7522592 297627 3.66 31174 1430466 573361 6.25 457422 1190565 220 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.82 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 1.14 0.05 10.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.59 0.10 0.14 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.39 0.19 0.08 0.50 0.00 0.00 0.00 0.00 01:40:06 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 12.90 6.96 27.05 2.85 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.18 1.48 7.52 0.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1882) 04/11/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:01 0 0.47 0.00 0.16 0.01 0.03 99.34 01:00:01 1 0.10 0.00 0.18 0.02 0.04 99.67 01:10:02 all 0.26 0.00 0.09 0.03 0.03 99.59 01:10:02 0 0.37 0.00 0.08 0.05 0.03 99.47 01:10:02 1 0.14 0.00 0.09 0.02 0.04 99.71 01:20:01 all 0.26 0.00 0.08 0.01 0.03 99.62 01:20:01 0 0.39 0.00 0.07 0.01 0.03 99.50 01:20:01 1 0.14 0.00 0.09 0.01 0.03 99.73 01:30:01 all 0.27 0.00 0.15 0.02 0.03 99.53 01:30:01 0 0.11 0.00 0.19 0.03 0.04 99.64 01:30:01 1 0.43 0.00 0.12 0.01 0.02 99.42 01:40:06 all 0.58 0.00 0.14 0.03 0.03 99.22 01:40:06 0 0.74 0.00 0.11 0.02 0.03 99.09 01:40:06 1 0.43 0.00 0.17 0.03 0.03 99.34 Average: all 0.33 0.00 0.13 0.02 0.03 99.49 Average: 0 0.41 0.00 0.12 0.02 0.03 99.41 Average: 1 0.25 0.00 0.13 0.01 0.03 99.58